Page 1 Sitework Systems Wheeled Compact Utility Loader Service Manual Chain Drive / 4-Paw Gas / 4-Paw Diesel Form No. 492-9216...
Page 2: About This Manual
ABOUT THIS MANUAL This service manual was written expressly for Toro service technicians. The Toro Company has made every effort to make the information in this manual complete and correct. Basic shop safety knowledge and mechanical/electrical skills are assumed. The Table of Contents lists the systems and the related topics covered in this manual.
Page 3 REVISIONS Revision 000 ... . . 5/01/12 Toro Wheeled CUL Service Manual...
Page 4: Table Of Contents
Sprocket Installation ......................4/1-36 Rear Sprocket & Wheel Hub Installation ................4/1-37 Front Sprocket & Wheel Hub Removal ................4/1-40 Front Axle Hub Rebuild ....................... 4/1-46 Front Sprocket & Wheel Hub Installation ................4/1-48 Toro Wheeled CUL Service Manual TOC-1...
Page 5 Relay ............................4/5-2 Purpose ..........................4/5-2 Location ..........................4/5-2 How It Works ......................... 4/5-2 Testing ........................... 4/5-2 Fuses ............................4/5-3 Purpose ..........................4/5-3 Location ..........................4/5-3 How It Works ......................... 4/5-3 Testing ........................... 4/5-3 TOC-2 Toro Wheeled CUL Service Manual...
Page 6 Battery Replacement ........................4/5-6 Battery Removal ........................4/5-6 Battery Installation ........................ 4/5-7 Electrical Schematic ........................4/5-9 22311 / 22317 ........................4/5-9 4-PAW GAS DRIVE SYSTEM Front Wheel Motor Replacement....................5/1-1 Front Wheel Motor Removal ....................5/1-1 Front Wheel Motor Installation ....................5/1-7 Rear Wheel Motor Replacement ....................
Page 7 Hydraulic Auxiliary, Selector & Flow Divider Valves Removal ..........6/2-14 Hydraulic Auxiliary, Selector & Flow Divider Valves Installation .......... 6/2-20 Hydraulic Lift Cylinder Replacement (Old Style) ............... 6/2-24 Hydraulic Lift Cylinder Removal ..................6/2-24 Hydraulic Lift Cylinder Installation ..................6/2-28 TOC-4 Toro Wheeled CUL Service Manual...
Page 8 Pump Mount Assembly Rebuild....................6/4-103 Fan Drive Pulley, Rubber Coupler & Flywheel Adapter Replacement ........6/4-109 Fan Drive Pulley, Rubber Coupler & Flywheel Adapter Removal ........6/4-109 Fan Drive Pulley, Rubber Coupler & Flywheel Adapter Installation ........6/4-113 Toro Wheeled CUL Service Manual TOC-5...
Page 9 Purpose ..........................6/5-12 Location ..........................6/5-12 How It Works ........................6/5-12 Testing ..........................6/5-13 Troubleshooting ........................6/5-13 Electrical Schematics ........................ 6/5-14 22303 -2001, 2000, 1999 ....................6/5-14 22303 - 2006, 2005, 2003, 2002 ..................6/5-15 TOC-6 Toro Wheeled CUL Service Manual...
Page 10: Safety Information
Always test the safety interlock system after making while the unit is running or shortly after it has been adjustments or repairs on the machine. Refer to the running. Electrical section in this manual for more information. Toro Wheeled CUL Service Manual 1/1-1...
Page 11 • Before disconnecting or performing any work on the hydraulic system, lower the loader arm/attachment to the ground and stop the engine so all pressure is relieved. • Be sure you understand a service procedure before working on the machine. 1/1-2 Toro Wheeled CUL Service Manual...
Page 12: General Specifications
3 micron filtration In-line In-line Fuel Filter rating 15 micron filtration rating 15 micron filtration rating w/water separator Fuel Pump Vacuum pulse mechanical Vacuum pulse Toro Wheeled CUL Service Manual 2/1-1...
Page 13: Dimensions
F. Dump height / 47.0” (1194mm) X. Bucket rollback, carry position / 20º G. Reach, fully raised / 26.0” (660mm) H. Bucket rollback, ground position / 19º X. = Dimension not shown Fig A 99-8886 RELEASED Version ©Toro 2005-2005 2/1-2 Toro Wheeled CUL Service Manual...
Page 14: Engine
1200 ± 75 1400 ± 200 0.84 US Oil Capacity 2 quarts (1.9 L) with filter gallons 2 quarts (1.9 L) (3.2 L) 154.3 lbs Dry Weight 90 lbs (41kg) 90 lbs (41kg) (70kg) Toro Wheeled CUL Service Manual 2/1-3...
Page 15: Performance
1722 lbs (781kg) w/o 1430 lbs (649kg) w/o attachment attachment 1567 lbs (711kg) w/o attachment Weight 1576 lbs (715kg) with std. bucket 1868 lbs 1713 lbs (777kg) with std. bucket (847kg) with std. bucket 2/1-4 Toro Wheeled CUL Service Manual...
Page 16: Hydraulic System
(API Service diesel oil (API Service Fluid hydraulic oil (API Service hydraulic oil CH-4 or higher) CH-4 or higher) CH-4 or higher) Hydraulic 2 loader arm Cylinders 1 bucket curl Auxiliary Flush face type Connectors Toro Wheeled CUL Service Manual 2/1-5...
Page 17: Electrical System
All four wheels are powered. The two rear wheels are individually driven by hydraulic rotor vane motors. Each front wheel is chain driven from the rear wheels via #60H chain. 4-Paw Models: All four wheels are powered. Each wheel is individually driven by a hydraulic roller vane motor. 2/1-6 Toro Wheeled CUL Service Manual...
Page 18: Torque Specifications
Fastener Identification Recommended fastener torque values are listed in the following tables. For critical applications, as determined by Toro, either the recommended torque or a torque that is unique to the application is clearly identified and specified in the service manual.
Page 19: Standard Torque For Dry, Zinc Plated, And Steel Fasteners (Inch Series)
Note: Torque values may have to be reduced when installing fasteners into threaded aluminum or brass. The specific torque value should be determined based on the fastener size, the aluminum or base material strength, length of thread engagement, etc. 2/1-8 Toro Wheeled CUL Service Manual...
Page 20: Standard Torque For Dry, Zinc And Steel Fasteners (Metric Series)
Note: Torque values may have to be reduced when installing fasteners into threaded aluminum or brass. The specific torque value should be determined based on the fastener size, the aluminum or base material strength, length of thread engagement, etc. Toro Wheeled CUL Service Manual 2/1-9...
Page 21: Other Torque Specifications
All torque values are based on non- lubricated fasteners. Conversion Factors in-lb X 11.2985 - N-cm N-cm X - 0.08851 = in-lb ft-lb X 1.3558 = N-m N-cm X 0.73776 - ft-lb 2/1-10 Toro Wheeled CUL Service Manual...
Page 22: Equivalents And Conversions
0.9375 23.812 29/64 0.453125 11.509 61/64 0.953125 24.209 15/32 0.46875 11.906 31/32 0.96875 24.606 31/64 0.484375 12.303 63/64 0.984375 25.003 0.5000 12.700 1.000 25.400 1 mm = 0.03937 in. 0.001 in. = 0.0254 mm Toro Wheeled CUL Service Manual 2/1-11...
Page 23: U.s. To Metric Conversions
Pressure 1.356 Foot-pounds Newton-Meters Foot-pounds Kilogram-Meters Work 0.1383 Inch-pounds Kilogram-Centimeters 1.152144 0.9463 Quarts Liters Liquid Volume Gallons Liters 3.785 3.785 Gallons/Minute Liters/Minute Liquid Flows 1. Subtract 32° Fahrenheit Celsius Temperature 2. Multiply by 5/9 2/1-12 Toro Wheeled CUL Service Manual...
Page 24: All Units General
Remove the floor jack (Fig. 0004). DSC-0100a Fig. 0001 4. Position jackstands under the rear 2 corners of the machine. Remove the floor jack (Fig. 0002). DSC-0107a Fig. 0004 7. Lower the loader arm. DSC-0099a Fig. 0002 Toro Wheeled CUL Service Manual 3/1-1...
Page 25 2. Remove both cartridges from the valve (Fig. 0005). IMG-0180a Fig. 0007 IMG-0180a Fig. 0005 3. Replace the o-rings and back-up rings on each of the cartridges (Fig. 0006). IMG-0188 Fig. 0006 A. O-rings (3) B. Back-up rings (3) 3/1-2 Toro Wheeled CUL Service Manual...
Page 26 A. O-rings (3) B. Back-up rings (3) IMG-0190a Fig. 0008 5. Replace the o-ring on the needle valve (Fig. 0011). 3. Remove the needle valve assembly (Fig. 0009). IMG-0192a Fig. 0011 IMG-0191a Fig. 0009 Toro Wheeled CUL Service Manual 3/1-3...
Page 27 ALL UNITS/GENERAL 6. Install the needle valve into the valve body (Fig. 0012). IMG-0191a Fig. 0012 7. Install the two cartages into the valve body (Fig. 0013). IMG-0190a Fig. 0013 3/1-4 Toro Wheeled CUL Service Manual...
Page 28 4. Remove the 2 switch block mounts from the 4-spool IMG-0438a valve (Fig. 0017). Fig. 0014 2. Remove the 4 return spring covers from the bottom of the 4-spool valve (Fig. 0015). IMG-0442a Fig. 0017 IMG-0439a Fig. 0015 3/1-5 Toro Wheeled CUL Service Manual...
Page 29 8. Remove the relief valve from the valve body (Fig. 6. Remove the 4 operator assemblies from the spool 0021). valve (Fig. 0019). Remove the gaskets from the operator assemblies. IMG-0450a Fig. 0021 IMG-0446a Fig. 0019 3/1-6 Toro Wheeled CUL Service Manual...
Page 30 Fig. 0023 IMG-0456a Fig. 0025 13. Flush and clean the valve housing with a cleaning solvent and air dry. Inspect the valve and valve components. Replace if nicks, scratches, wear, or contamination are present. 3/1-7 Toro Wheeled CUL Service Manual...
Page 31 J. Check valve o-ring (4, only one shown in photo) D. Return spring (4) K. Valve body E. Neutral safety switch mounting block (2) L. Operator assembly (4) F. Spool (4) M. Gasket (4) G. Check valve (4) N. Relief valve 3/1-8 Toro Wheeled CUL Service Manual...
Page 32 (Fig. 0028). should be 3/8” (9.5mm) from the shoulder of the relief valve body (Fig. 0030). IMG-0466a Fig. 0028 A. Relief valve IMG-0470a Fig. 0030 A. 3/8” (9.5mm) 3/1-9 Toro Wheeled CUL Service Manual...
Page 33 19. Replace the o-ring on the 3 check valves and install 21. Lubricate the 4-spools and carefully insert them them into the 4-spool valve body (Fig. 0032). through the o-rings and into the valve body (Fig. 0034). IMG-0472a Fig. 0032 IMG-0475a Fig. 0034 3/1-10 Toro Wheeled CUL Service Manual...
Page 34 Install the 2 switch block mounts onto the 2 center 23. Install a gasket onto each of the 4 operator assemb- spools (Fig. 0038). lies. Install each operator assembly onto the 4-spool valve body (Fig. 0036). IMG-0485a Fig. 0038 IMG-0482a Fig. 0036 Toro Wheeled CUL Service Manual 3/1-11...
Page 35 29. Install the two neutral safety switches in the two covers. Install the two outside return spring covers switch block mounts (Fig. 0042). onto the 4-spool valve body (Fig. 0040). IMG-0489a Fig. 0042 IMG-0487a Fig. 0040 3/1-12 Toro Wheeled CUL Service Manual...
Page 36: 99-3072 Selector Valve Rebuild
(Fig. 0045). 1. Remove the two Allen cap screws securing the detent cover to the valve body (Fig. 0043). IMG-0196a Fig. 0045 IMG-0194a Fig. 0043 2. Remove the detent assembly (Fig. 0044). IMG-0195a Fig. 0044 Toro Wheeled CUL Service Manual 3/1-13...
Page 37 This will release the actuator lever from the spool 0048). (Fig. 0047). IMG-0199a Fig. 0048 IMG-0198a Fig. 0046 6. Remove the plug and o-ring from the valve body (Fig. 0049). IMG-0197a Fig. 0047 IMG-0200a Fig. 0049 3/1-14 Toro Wheeled CUL Service Manual...
Page 38 9. Apply a coating of hydraulic oil to the new o-rings and install them in the groove in each end of the valve body (Fig. 0051). IMG-0206a Fig. 0053 IMG-0203a Fig. 0051 3/1-15 Toro Wheeled CUL Service Manual...
Page 39 Fig. 0056 IMG-0207a Fig. 0054 15. Install the detent assembly (Fig. 0057). 13. Install 2 Allen screws to secure the actuator lever to the valve body (Fig. 0055). IMG-0211a Fig. 0057 IMG-0208a Fig. 0055 3/1-16 Toro Wheeled CUL Service Manual...
Page 40: 100-4163 Hydraulic Cylinder Rebuild
This condition will usually show up as a highly polished surface on the piston and head 90° to the pin rotation axis (Fig. 0061). IMG-0214a Fig. 0059 IMG-0373a Fig. 0061 3/1-17 Toro Wheeled CUL Service Manual...
Page 41 5. Remove the barrel from the vise. Remove the seals. Damage to the seal grooves, particularly on the sealing surfaces, is unacceptable. In the event that an unacceptable condition occurs, the cylinder should be replaced. 3/1-18 Toro Wheeled CUL Service Manual...
Page 42 6. Remove the back-up washer (Fig. 0065). IMG-0378a Fig. 0066 8. Remove the o-ring located around the PSP seal (Fig. 0067). IMG-0377a Fig. 0065 IMG-0379a Fig. 0067 3/1-19 Toro Wheeled CUL Service Manual...
Page 43 PSP seal (Fig. 0068). IMG-0384a Fig. 0070 IMG-0380a Fig. 0068 12. Loosen two set screws located on the piston (Fig. 10. Remove the inner seal (Fig. 0069). 0071). IMG-0382a IMG-0385a Fig. 0069 Fig. 0071 3/1-20 Toro Wheeled CUL Service Manual...
Page 44 Piston Assembly (Fig. 0073): C D E F C IMG-0391a Fig. 0075 IMG-0421a Fig. 0073 A. Wear Ring D. Inner PSP Seal B. Piston E. PSP Seal C. Back-up Washer (2) F. O-ring Toro Wheeled CUL Service Manual 3/1-21...
Page 45 IMG-0394a Fig. 0078 18. Remove the head from the ram shaft (Fig. 0077). 20. From the other side of the head assembly, remove the wiper seal (Fig. 0079). IMG-0393a Fig. 0077 IMG-0395a Fig. 0079 3/1-22 Toro Wheeled CUL Service Manual...
Page 46 23. Thoroughly rinse the inside of the head with a cleaning solvent. Rinse and clean all internal components of any foreign material with a lint-free rag. IMG-0401a Fig. 0083 A. Head C. Back-up o-ring B. O-ring D. O-ring dust seal Toro Wheeled CUL Service Manual 3/1-23...
Page 47 28. Install the wiper seal in the groove of the head into the groove (Fig. 0085). assembly (Fig. 0087). Note: The groove of the seal faces toward the barrel side of the head. IMG-0412a Fig. 0087 IMG-0410a Fig. 0085 3/1-24 Toro Wheeled CUL Service Manual...
Page 48 Install the o-ring dust seal next to the back-up o-ring (Fig. 0091). b. Lubricate and install an o-ring in the groove of the head assembly (Fig. 0089). IMG-0418a Fig. 0091 IMG-0414a Fig. 0089 3/1-25 Toro Wheeled CUL Service Manual...
Page 49 31. Lubricate and install the head assembly on the ram (Fig. 0093). 34. Loosely install the piston until hand tight or fully seated on the threads (Fig. 0095). IMG-0420a Fig. 0093 IMG-0424a Fig. 0095 3/1-26 Toro Wheeled CUL Service Manual...
Page 50 IMG-0428a Fig. 0096 Fig. 0098 36. Tighten the 2 set screws on the piston to secure 38. Install a back-up washer onto the piston (Fig. 0099). (Fig. 0097). IMG-0429a Fig. 0099 IMG-0427a Fig. 0097 3/1-27 Toro Wheeled CUL Service Manual...
Page 51 (Fig. 0102). IMG-0430a Fig. 0100 IMG-0432a Fig. 0102 40. Install the PSP seal (Fig. 0101). 42. Install the second back-up washer (Fig. 0103). IMG-0431a Fig. 0101 IMG-0433a Fig. 0103 3/1-28 Toro Wheeled CUL Service Manual...
Page 52 2. Remove the plugs located on either side of the flow divider valve (Fig. 0107). 45. Using a spanner wrench, tighten the head into the barrel (Fig. 0105). IMG-0524a Fig. 0107 IMG-0519a Fig. 0105 3/1-29 Toro Wheeled CUL Service Manual...
Page 53 There is one on each side of the valve body (Fig. 0109). IMG-0528a Fig. 0111 A. Spool D. Back-up ring (2) IMG-0526a Fig. 0109 B. Snap ring (2) E. O-Ring (2) C. Seal (2) 3/1-30 Toro Wheeled CUL Service Manual...
Page 54 11. Install a new o-ring on each plug. Install a plug into IMG-0529a Fig. 0112 the side opposite the spool (Fig. 0115). 9. Lubricate the o-rings and seals. Push the flow diver valve into the valve body (Fig. 0113). IMG-0533a Fig. 0115 IMG-0530a Fig. 0113 Toro Wheeled CUL Service Manual 3/1-31...
Page 55 14. Install the handle into the spool and tighten the set (Fig. 0116). screw to secure (Fig. 0118). IMG-0535a IMG-0537a Fig. 0116 Fig. 0118 13. Install the second plug into the manifold port (Fig. 0117). IMG-0536a Fig. 0117 3/1-32 Toro Wheeled CUL Service Manual...
Page 56: 105-6246 4-Spool Valve Rebuild (Chain Drive)
4-spool valve (Fig. 0119). IMG-0494a Fig. 0121 IMG-0492a Fig. 0119 4. Pull the 4-spools out of the valve body (Fig. 0122). 2. Remove the spool return springs (Fig. 0120). IMG-0495a Fig. 0122 IMG-0493a Fig. 0120 Toro Wheeled CUL Service Manual 3/1-33...
Page 57 IMG-0497a IMG-0501a Fig. 0123 Fig. 0125 8. Remove the plug from the valve body (Fig. 0126). 6. Remove the 3 check valves from the valve body (Fig. 0124). IMG-0502a Fig. 0126 IMG-0499a Fig. 0124 3/1-34 Toro Wheeled CUL Service Manual...
Page 58 10. Some 4-spool valves have a pressure relief installed on the back of the valve housing. If a plug is located on the back of the housing, remove it (Fig. 0128). IMG-0504a Fig. 0128 3/1-35 Toro Wheeled CUL Service Manual...
Page 59 4-spool valve housing C. Spool spring (4) J. Check valve (3) D. Spool (4) K. Operator assembly gasket (4) E. Plug L. Operator assembly (4) F. Spool o-ring (8) M. Pressure relief valve G. Check valve 3/1-36 Toro Wheeled CUL Service Manual...
Page 60 3/8” (9.5 mm) from the shoulder of the relief valve body to the end of the threads (Fig. 0133). IMG-0506a Fig. 0131 IMG-0509a A. Pressure relief valve Fig. 0133 A. 3/8” (9.5mm) 3/1-37 Toro Wheeled CUL Service Manual...
Page 61 19. Lubricate the 4-spools and carefully insert them into check valves. Install the 3 check valves into the front the 4-spool ports in the valve body (Fig. 0137). face of the valve body (Fig. 0135). IMG-0513a IMG-0511a Fig. 0137 Fig. 0135 3/1-38 Toro Wheeled CUL Service Manual...
Page 62 Install the 4 operator and the valve body. Install the 4 return spring covers assemblies to the valve body (Fig. 0139). to the valve body (Fig. 0141). IMG-0482a IMG-0516a Fig. 0139 Fig. 0141 3/1-39 Toro Wheeled CUL Service Manual...
Page 63: 105-7867 Hydraulic Cylinder Rebuild
This condition will usually show up as a highly polished surface on the piston and head 90° to pin rotation (Fig. 0144). IMG-0321a Fig. 0144 3/1-40 Toro Wheeled CUL Service Manual...
Page 64 5. Continue to rotate the head counter-clockwise until the retaining ring is completely removed (Fig. 0146). IMG-0327a Fig. 0148 A. Barrel D. Head B. Retaining ring E. Cylinder rod IMG-0323a Fig. 0146 C. Piston 3/1-41 Toro Wheeled CUL Service Manual...
Page 65 0.5” (1.27cm) and primarily in the circumferential direction are acceptable provided they cannot cut the piston seal. In the event that an unacceptable condition occurs, the cylinder should be replaced. IMG-0330a Fig. 0150 3/1-42 Toro Wheeled CUL Service Manual...
Page 66 IMG-0334a Fig. 0153 IMG-0332a Fig. 0151 13. Remove the o-ring from the rod (Fig. 0154). 11. Remove the nut securing the piston to the cylinder rod (Fig. 0152). IMG-0335a Fig. 0154 IMG-0333a Fig. 0152 3/1-43 Toro Wheeled CUL Service Manual...
Page 67 IMG-0336a IMG-0338a Fig. 0155 Fig. 0157 15. Remove the flat back-up ring from the head (Fig. 17. Remove the wiper seal from inside the head (Fig. 0156). 0158). IMG-0339a IMG-0337a Fig. 0158 Fig. 0156 3/1-44 Toro Wheeled CUL Service Manual...
Page 68 Note: Lubricate the head, piston and all seals with 10W-30 oil prior to installation. A B C IMG-0343a Fig. 0161 A. Rod/Piston nut D. Back-up seal B. Rod o-ring E. Piston C. Seal F. Wear ring 3/1-45 Toro Wheeled CUL Service Manual...
Page 69 (Fig. 0163). Note: If possible, the head/seal assembly should sit for at least one hour to allow the seals to elastically restore. IMG-0348a Fig. 0163 IMG-0350a Fig. 0165 3/1-46 Toro Wheeled CUL Service Manual...
Page 70 28. Secure the cylinder rod into a vise. 29. Apply some tape or plastic cover over the threads of the rod to protect the installation of the o-ring (Fig. 0169). IMG-0355a Fig. 0167 IMG-0358a Fig. 0169 3/1-47 Toro Wheeled CUL Service Manual...
Page 71 33. Install the nut onto the end of the rod (Fig. 0173). the tape or plastic cover from the threads (Fig. Torque the nut to 100-120 ft-lbs. (135.6-162.7 Nm). 0171). IMG-0363a Fig. 0173 IMG-0360a Fig. 0171 3/1-48 Toro Wheeled CUL Service Manual...
Page 72 36. Continue rotating the head until the ring hole in barrel on the head assembly (Fig. 0177). the ring groove is within the slot on the barrel (Fig. 0175). IMG-0321a Fig. 0177 IMG-0367a Fig. 0175 3/1-49 Toro Wheeled CUL Service Manual...
Page 73: 108-4710 Hydraulic Tandem Pump Rebuild
1. Remove the key from the keyway in the pump shaft (Fig. 0178). IMG-0217a Fig. 0179 4. Remove the 4 bolts and washers securing the pump sections (Fig. 0180). IMG-0215 Fig. 0178 IMG-0216a Fig. 0180 3/1-50 Toro Wheeled CUL Service Manual...
Page 74 IMG-0221a Fig. 0181 Fig. 0183 6. Remove the cap gasket from the pump housing (Fig. 8. Remove the rear bushing from the pump housing 0182). assembly (Fig. 0184). IMG-0220a IMG-0222a Fig. 0182 Fig. 0184 3/1-51 Toro Wheeled CUL Service Manual...
Page 75 12. Mark the inner small bushing assembly with a line (Fig. 0186). that extends out onto the pump housing. This line should be on the opposite side as the previous marking (Fig. 0188). IMG-0224a Fig. 0186 PICT-2835a Fig. 0188 3/1-52 Toro Wheeled CUL Service Manual...
Page 76 PICT-2836a Fig. 0189 16. Remove the drive link from the drive gear (Fig. 14. Lift the pump housing off the 11 gpm pump shaft 0192). cover (Fig. 0190). IMG-0229a Fig. 0192 IMG-0228a Fig. 0190 3/1-53 Toro Wheeled CUL Service Manual...
Page 77 20. With the cover secured so the inside of the cover is pump shaft cover (Fig. 0194). facing up, remove the shaft seal from the inside of the pump cover (Fig. 0196). IMG-0232a Fig. 0194 IMG-0236a Fig. 0196 3/1-54 Toro Wheeled CUL Service Manual...
Page 78 24. Remove the bushing from the drive gear and driven gear shafts (Fig. 0200). 22. Carefully drive the seal into the cover until it is seated (Fig. 0198). IMG-0241a Fig. 0200 IMG-0239a Fig. 0198 3/1-55 Toro Wheeled CUL Service Manual...
Page 79 Fig. 0201 IMG-0244a Fig. 0203 26. Remove the driven gear from the bushing (Fig. 0202). 28. Inspect the drive gear and driven gear surfaces for damage (Fig. 0204). IMG-0243a Fig. 0202 IMG-0245a Fig. 0204 3/1-56 Toro Wheeled CUL Service Manual...
Page 80 32. Install the back-up ring into the bushing so that it bushings (Fig. 0206). rests in the lip of the gear seal (Fig. 0208). Note: Lubricate all surfaces on reassembly. IMG-0251a Fig. 0208 IMG-0247a Fig. 0206 3/1-57 Toro Wheeled CUL Service Manual...
Page 81 37. Making note of the marks on the 11gpm pump, slide the drive gear shaft of the 11gpm pump assembly into the mounting flange (Fig. 0212). 35. Install the driven gear into the bushing (Fig. 0210). IMG-0265a Fig. 0212 IMG-0253a Fig. 0210 3/1-58 Toro Wheeled CUL Service Manual...
Page 82 Fig. 0213 41. Install the drive link onto the drive gear of the 11gpm 39. Inspect the drive and driven gears for damage (Fig. pump assembly (Fig. 0216). 0214). IMG-0266a Fig. 0216 IMG-0258a Fig. 0214 3/1-59 Toro Wheeled CUL Service Manual...
Page 83 45. Install the 5gpm pump drive gear into the pump mounting flange, install the pump housing over the assembly (Fig. 0220). 11 gpm pump assembly and onto the mounting flange (Fig. 0218). IMG-0270a Fig. 0220 IMG-0269a Fig. 0218 3/1-60 Toro Wheeled CUL Service Manual...
Page 84 0224). (Fig. 0222). Note: The pump shaft may have to rotate to seat the 5 gpm pump bushing onto the drive link. IMG-0276a Fig. 0224 IMG-0273a Fig. 0222 Toro Wheeled CUL Service Manual 3/1-61...
Page 85 4-spool valve (Fig. 0227). IMG-0277a Fig. 0225 51. Install the key into the keyway on the pump shaft IMG-0279a Fig. 0227 (Fig. 0226). 2. Remove the spool return springs (Fig. 0228). IMG-0278a Fig. 0226 IMG-0280a Fig. 0228 3/1-62 Toro Wheeled CUL Service Manual...
Page 86 6. Disassemble, clean and inspect the pressure regulator for wear of damage. Avoid changing the location of the adjusting screw. Reassembly the regulator (Fig. 0232). Note: The pressure Regulator Assembly comes as a kit, Toro part number 100-8805. IMG-0282a Fig. 0230 IMG-0284a Fig. 0232...
Page 87 (4 on top, 4 on bottom) (Fig. 0233). (Fig. 0235). IMG-0286a IMG-0297a Fig. 0233 Fig. 0235 8. Remove the 3 check valves (Fig. 0234). 10. Install the 3 check valves (Fig. 0236). IMG-0294a IMG-0298a Fig. 0234 Fig. 0236 3/1-64 Toro Wheeled CUL Service Manual...
Page 88 14. The initial adjustment of the pressure regulator assembly (Fig. 0238). screw should be 3/8” (9.5mm) from the shoulder of the regulator body to the end of the screw threads (Fig. 0240). IMG-0289a Fig. 0238 IMG-0293a Fig. 0240 A. 3/8” (9.5mm) 3/1-65 Toro Wheeled CUL Service Manual...
Page 89 IMG-0299a Fig. 0241 IMG-0303a Fig. 0243 16. Apply grease to the 4 ball/sockets inside the 4 18. Install the 4-spool return springs (Fig. 0244). operator assemblies (Fig. 0242). IMG-0306a IMG-0302a Fig. 0244 Fig. 0242 3/1-66 Toro Wheeled CUL Service Manual...
Page 90: 99-3077 Auxiliary Valve Rebuild
1. Remove the neutral safety switch, if present, from the spring covers (Fig. 0246). IMG-0307a Fig. 0245 DSCN-2474a Fig. 0246 2. Remove the two Allen cap screws and the detent cover, exposing the detent sleeve (Fig. 0247). DSCN-2473a Fig. 0247 3/1-67 Toro Wheeled CUL Service Manual...
Page 91 (Fig. 0248). DSCN-2457a Fig. 0250 6. Remove the two Allen cap screws and the safety DSCN-2476a Fig. 0248 switch mounting-block (Fig. 0251). 4. Remove the detent block (Fig. 0249). DSCN-2443a Fig. 0251 DSCN-2461a Fig. 0249 3/1-68 Toro Wheeled CUL Service Manual...
Page 92 IMG-0202a Fig. 0253 Fig. 0255 11. Flush and clean the valve housing with a cleaning solvent and air dry. Inspect the valve and valve components. Replace if nicks, scratches, wear, or contamination are present. 3/1-69 Toro Wheeled CUL Service Manual...
Page 93: 99-3077 Auxiliary Valve Assembly
Reassemble as shown (Fig. 0257). be 3/8” (9.5mm) from the shoulder of the relief valve (Fig. 0259). DSCN-2480a Fig. 0257 IMG-0470a Fig. 0259 A. 3/8” (9.5mm) 3/1-70 Toro Wheeled CUL Service Manual...
Page 94 6. Inspect the rubber boot for cracks and damage; replace as needed. Apply grease to the ball end on 8. Install the detent for the neutral safety switch (Fig. the operator assembly (Fig. 0261). 0263). DSCN-2427a DSCN-2438a Fig. 0261 Fig. 0263 3/1-71 Toro Wheeled CUL Service Manual...
Page 95 Fig. 0266 DSCN-2441a Fig. 0264 12. Install a new o-ring onto the detent block (Fig. 0267). 10. Lubricate and install the detent ball housing and return spring (Fig. 0265). DSCN-2462a Fig. 0267 DSCN-2457a Fig. 0265 3/1-72 Toro Wheeled CUL Service Manual...
Page 96 Place the small detent balls into 0271). the holder. Use a steel rod to push the center ball down into the holder against the spring pressure until the detent balls retract (Fig. 0269). DSCN-2473a Fig. 0271 DSCN-2487a Fig. 0269 3/1-73 Toro Wheeled CUL Service Manual...
Page 97 ALL UNITS/GENERAL THIS PAGE INTENTIONALLY LEFT BLANK. 3/1-74 Toro Wheeled CUL Service Manual...
Page 98: Chain Drive Drive System
7. Position jackstands under the front 2 corners of the machine. Remove the floor jack (Fig. 0275). DSC-0100 Fig. 0272 5. Position jackstands under the rear 2 corners of the machine. Remove the floor jack (Fig. 0273). DSC-0107 Fig. 0275 DSC-0099 Fig. 0273 Toro Wheeled CUL Service Manual 4/1-1...
Page 99 12. Using a 13/16” socket, remove the 5 lug nuts securing the rear wheel to the rear hub (Fig. 0279). 10. Remove the chain cover for the chain being serviced (Fig. 0277). DSC-0121a Fig. 0279 DSC-0117a Fig. 0277 4/1-2 Toro Wheeled CUL Service Manual...
Page 100 Continue to loosen the tensioning bolts until main frame (Fig. 0281). there is adequate slack in the chain to release the master link (Fig. 0283). DSC-0125 Fig. 0281 DSC-0131a Fig. 0283 4/1-3 Toro Wheeled CUL Service Manual...
Page 101 0286). DSC-0141a DSC-0136a Fig. 0286 Fig. 0284 20. Remove the chain from the wheel sprockets (Fig. 18. Remove the retainer from the master chain link (Fig. 0287). 0285). DSC-0143a DSC-0138a Fig. 0287 Fig. 0285 4/1-4 Toro Wheeled CUL Service Manual...
Page 102 CHAIN DRIVE/DRIVE SYSTEM 21. Inspect the chain assembly. Replace if damaged or worn (Fig. 0288). DSC-0149a Fig. 0288 22. Inspect the front and rear sprockets. Replace if damaged or worn (Fig. 0289). DSC-0153a Fig. 0289 4/1-5 Toro Wheeled CUL Service Manual...
Page 103: Drive Chain Installation
(Fig. 0290, Fig. 0291 and Fig. 0292). DSC-0159a Fig. 0292 2. Install the master chain link into one end of the chain (Fig. 0293). DSC-0156a Fig. 0290 DSC-0160a Fig. 0293 DSC-0157a Fig. 0291 4/1-6 Toro Wheeled CUL Service Manual...
Page 104 Fig. 0296 Fig. 0294 6. Slide the rear wheel onto the rear hub (Fig. 0297). 4. Install the master link retainer onto the master chain link (Fig. 0295). DSC-0169a Fig. 0297 DSC-0162a Fig. 0295 Toro Wheeled CUL Service Manual 4/1-7...
Page 105 8. Position the chain cover to the main frame (Fig. until the upper span of the drive chain is tight. 0299). 11. Using a 1-1/8” wrench, tighten the 2 chain tensioning bolts (Fig. 0301). DSC-0171a Fig. 0299 DSC-0183a Fig. 0301 4/1-8 Toro Wheeled CUL Service Manual...
Page 106 13. With a 1-1/8” socket securing the position of the main frame (Fig. 0305). tensioning bolt, use a 1-1/4” wrench to tighten the jam nut on each of the 2 chain tensioning bolts (Fig. 0303). DSC-0125 Fig. 0305 DSC-0187a Fig. 0303 4/1-9 Toro Wheeled CUL Service Manual...
Page 107: Front Axle Replacement
20. Apply oil to newly exposed non-lubricated chain spans. 21. Lower the machine to the ground. 5. Position jackstands under the rear 2 corners of the machine. Remove the floor jack (Fig. 0308). DSC-0099a Fig. 0308 4/1-10 Toro Wheeled CUL Service Manual...
Page 108 7. Position jackstands under the front 2 corners of the machine. Remove the floor jack (Fig. 0310). DSC-0448a Fig. 0311 11. Position a loader arm cylinder lock over each lift cylinder rod (Fig. 0312). DSC-0107a Fig. 0310 DSC-0452a Fig. 0312 Toro Wheeled CUL Service Manual 4/1-11...
Page 109 14. Using a 1/2” socket, remove the 2 bolts securing on of the chain covers to the main frame (Fig. 0314). DSC-0119a Fig. 0316 DSC-0270a Fig. 0314 4/1-12 Toro Wheeled CUL Service Manual...
Page 110 DSC-0282a DSC-0272a Fig. 0319 Fig. 0317 20. Remove the retainer from the master chain link (Fig. 18. Remove the front wheel from the front hub (Fig. 0320). 0318). DSC-0283a DSC-0274a Fig. 0320 Fig. 0318 4/1-13 Toro Wheeled CUL Service Manual...
Page 111 23. Remove the protective bearing cap (Fig. 0323). 0321). DSC-0289a Fig. 0323 DSC-0285a Fig. 0321 24. Remove the bearing cap (Fig. 0324). 22. Remove the chain from the front wheel sprocket (Fig. 0322). DSC-0291a Fig. 0324 DSC-0286 Fig. 0322 4/1-14 Toro Wheeled CUL Service Manual...
Page 112 27. Remove the washer (Fig. 0327). DSC-0294a DSC-0298a Fig. 0325 Fig. 0327 26. Using a 1-1/8” socket, remove the castle nut (Fig. 28. Remove the bearing (Fig. 0328). 0326). DSC-0300a Fig. 0328 DSC-0297 Fig. 0326 4/1-15 Toro Wheeled CUL Service Manual...
Page 113 (Fig. 0332). the machine. 31. Using a 3/4” socket and wrench, remove the 4 bolts, washers and nuts securing the 2 axle brackets to the main frame (Fig. 0330). DSC-0519a Fig. 0332 DSC-0509a Fig. 0330 4/1-16 Toro Wheeled CUL Service Manual...
Page 114 Remove the jam nut from each of the chain tension- ing bolts (Fig. 0334). DSC-0534a Fig. 0336 A. Front Axle C. Jam nut (2) B. Chain tensioning D. Washer (4) bolt (2) E. Axle bracket (2) DSC-0528a Fig. 0334 Toro Wheeled CUL Service Manual 4/1-17...
Page 115: Front Axle Installation
(Fig. 0340). 2. Slide 2 washers up to the jam nut on each of the chain tensioning bolts (Fig. 0338). DSC-0545a Fig. 0340 DSC-0540a Fig. 0338 4/1-18 Toro Wheeled CUL Service Manual...
Page 116 7. Position the axle brackets so the mounting holes 0341). align with the mounting holes in the main frame (Fig. 0343). DSC-0546a Fig. 0341 DSC-0548a Fig. 0343 6. Slide the front axle assembly into the main frame (Fig. 0342). DSC-0547a Fig. 0342 4/1-19 Toro Wheeled CUL Service Manual...
Page 117 Note: One washer under the bolt head, one washer the 2 axle brackets to the main frame (Fig. 0344). under the nut (Fig. 0345 and Fig. 0346). DSC-0509a DSC-0551a Fig. 0344 Fig. 0345 DSC-0553a Fig. 0346 4/1-20 Toro Wheeled CUL Service Manual...
Page 118 DSC-0326a Fig. 0349 14. Slide the outer bearing over the axle and into the hub (Fig. 0350). DSC-0317a Fig. 0347 12. Grease the axle seal surface (Fig. 0348). DSC-0327a Fig. 0350 DSC-0554a Fig. 0348 Toro Wheeled CUL Service Manual 4/1-21...
Page 119 Fig. 0351 DSC-0333a Fig. 0353 16. Thread the castle nut onto the axle (Fig. 0352). 18. Install a cotter pin in the hole in the axle (Fig. 0354). DSC-0332a Fig. 0352 DSC-0336a Fig. 0354 4/1-22 Toro Wheeled CUL Service Manual...
Page 120 22. Repeat steps 9 - 21 to install the sprocket and hub the hub assembly (Fig. 0356). assembly on the opposite side of the machine. 23. Route the chain around the top of the front wheel sprocket (Fig. 0358). DSC-0340a Fig. 0356 DSC-0342a Fig. 0358 4/1-23 Toro Wheeled CUL Service Manual...
Page 121 26. Install the master link retainer onto the master chain (Fig. 0359). link (Fig. 0361). DSC-0343a DSC-0346a Fig. 0359 Fig. 0361 25. Install the other end of the master link through the other end of the chain (Fig. 0360). DSC-0345a Fig. 0360 4/1-24 Toro Wheeled CUL Service Manual...
Page 122 28. Slide the front wheel onto the wheel hub (Fig. 0364). 27. Install the clip onto the master chain link to secure (Fig. 0362 and Fig. 0363). DSC-0351a Fig. 0364 DSC-0348a Fig. 0362 DSC-0349a Fig. 0363 4/1-25 Toro Wheeled CUL Service Manual...
Page 123 50 ft-lbs. (68 Nm) (Fig. 0365 and Fig. 0366). DSC-0354a Fig. 0367 DSC-0352a Fig. 0365 31. Using a 1/2” socket, install 2 bolts to secure the chain cover to the main frame (Fig. 0368). DSC-0353a Fig. 0366 DSC-0355a Fig. 0368 4/1-26 Toro Wheeled CUL Service Manual...
Page 124 1-1/2” to 2-1/2” (3.8 to 6.4cm) between the bottom of the chain guard and the top of the chain on each side of the machine (Fig. 0370). DSC-0125 Fig. 0372 DSC-0181a Fig. 0370 Toro Wheeled CUL Service Manual 4/1-27...
Page 125: Sprocket & Wheel Hub
41. Stop the engine and remove the key. 42. Apply general purpose oil (10W30) to the newly exposed, non-lubricated chain spans. 2. Remove the chain cover (Fig. 0375). 43. Lower the machine to the ground. DSC-0192a Fig. 0375 4/1-28 Toro Wheeled CUL Service Manual...
Page 126 4. Inspect the front and rear sprockets. If wear is indi- cated on the front or rear sprocket, both sprockets and the chain should be replaced (Fig. 0377). Note: The wheel assembly was removed for photo purposes. DSC-0264a Fig. 0379 DSC-0248a Fig. 0377 4/1-29 Toro Wheeled CUL Service Manual...
Page 127: Rear Sprocket & Wheel Hub Removal
5. Using a 13/16” socket, remove the 5 lug nuts secur- ing the rear wheel to the rear hub (Fig. 0383). DSC-0191a Fig. 0380 3. Remove the chain cover (Fig. 0381). DSC-0193a Fig. 0383 DSC-0192a Fig. 0381 4/1-30 Toro Wheeled CUL Service Manual...
Page 128 Continue to loosen the tensioning bolts until main frame (Fig. 0385). there is adequate slack in the chain to release the master link (Fig. 0387). DSC-0125 Fig. 0385 DSC-0131a Fig. 0387 4/1-31 Toro Wheeled CUL Service Manual...
Page 129 12. Remove the master chain link from the chain (Fig. 0388). 0390 and Fig. 0391). DSC-0196a DSC-0200a Fig. 0388 Fig. 0390 11. Remove the retainer from the master chain link (Fig. 0389). DSC-0201a Fig. 0391 DSC-0199a Fig. 0389 4/1-32 Toro Wheeled CUL Service Manual...
Page 130 CHAIN DRIVE/DRIVE SYSTEM 13. Remove the chain from the wheel sprockets (Fig. 15. Place a hub puller (Toro part #TOR6006) onto the 0392). hub and secure it with the previously removed lug nuts (tapered end of the lug nuts facing out) (Fig.
Page 131 17. Remove the lug nuts and remove the hub puller (Fig. 19. Remove the rear hub assembly (Fig. 0398). 0396). DSC-0216a Fig. 0398 DSC-0213 Fig. 0396 18. Remove the wheel motor shaft nut and discard (Fig. 0397). DSC-0215a Fig. 0397 4/1-34 Toro Wheeled CUL Service Manual...
Page 132: Sprocket Replacement
4. Inspect the sprocket. If worn or damaged, it must be replaced. 2. Using a 3/4” socket and wrench, remove the 5 bolts and nuts securing the sprocket to the rear hub (Fig. 0400). DSC-0223a Fig. 0400 4/1-35 Toro Wheeled CUL Service Manual...
Page 133: Sprocket Installation
1. Install a sprocket onto the new hub (Fig. 0402). DSC-0233a Fig. 0404 DSC-0231a Fig. 0402 2. Using a 3/4” socket and wrench, install 5 bolts and nuts to secure the sprocket to the rear hub (Fig. 0403). DSC-0232a Fig. 0403 4/1-36 Toro Wheeled CUL Service Manual...
Page 134: Rear Sprocket & Wheel Hub Installation
2. Slide the new hub assembly onto the wheel motor shaft aligning the hub keyway with the wheel motor shaft key (Fig. 0406). DSC-0241a Fig. 0408 DSC-0236a Fig. 0406 4/1-37 Toro Wheeled CUL Service Manual...
Page 135 6. Install the other end of the master link through the 8. Install the clip onto the master chain link to secure other end of the chain (Fig. 0410). (Fig. 0412). DSC-0243a DSC-0246a Fig. 0410 Fig. 0412 4/1-38 Toro Wheeled CUL Service Manual...
Page 136 9. Install the wheel and tire assembly (Fig. 0413). 10. Install the lug nuts and torque to 50 ft-lbs. (68 Nm) (Fig. 0414 and Fig. 0415). DSC-0259a Fig. 0413 DSC-0260a Fig. 0414 DSC-0261a Fig. 0415 4/1-39 Toro Wheeled CUL Service Manual...
Page 137: Front Sprocket & Wheel Hub Removal
Fig. 0418 3. Remove the chain cover (Fig. 0419). DSC-0176a Fig. 0417 13. Check and adjust drive chain tension. Refer to “Checking Drive Chain Tension” on page 4/1-54. DSC-0271a Fig. 0419 14. Lower the machine. 4/1-40 Toro Wheeled CUL Service Manual...
Page 138 5. Using a 13/16” socket, remove the 5 lug nuts secur- 7. Remove the clip from the master chain link (Fig. ing the front wheel to the front hub (Fig. 0421). 0423). DSC-0272a DSC-0282a Fig. 0421 Fig. 0423 Toro Wheeled CUL Service Manual 4/1-41...
Page 139 8. Remove the retainer from the master chain link (Fig. 9. Remove the master chain link from the chain (Fig. 0424). 0425 and Fig. 0426). DSC-0284a DSC-0283a Fig. 0424 Fig. 0425 DSC-0285a Fig. 0426 4/1-42 Toro Wheeled CUL Service Manual...
Page 140 12. Remove the bearing protector (Fig. 0429). (Fig. 0427). DSC-0291a Fig. 0429 DSC-0286a Fig. 0427 13. Remove the cotter pin (Fig. 0430). 11. Remove the bearing protector cap (Fig. 0428). DSC-0294a Fig. 0430 DSC-0289a Fig. 0428 4/1-43 Toro Wheeled CUL Service Manual...
Page 141 16. Remove the bearing (Fig. 0433). 0431). DSC-0300a Fig. 0433 DSC-0295a Fig. 0431 17. Remove the front hub and sprocket assembly from 15. Remove the washer (Fig. 0432). the axle shaft (Fig. 0434). DSC-0298a DSC-0302a Fig. 0432 Fig. 0434 4/1-44 Toro Wheeled CUL Service Manual...
Page 142 19. Using a 3/4” socket and wrench, remove the 5 bolts 22. Rebuild the bug if seals or bearings need replace- and nuts securing the sprocket to the front hub (Fig. ment. 0436). DSC-0307a Fig. 0436 4/1-45 Toro Wheeled CUL Service Manual...
Page 143: Front Axle Hub Rebuild
C. Cup bearing race (2) 3. Inspect the cup bearing race for pitting, galling, or B. Bearing (2) D. Hub overheating (Fig. 0441). 1. Remove the wheel bearing seal (Fig. 0439). DSC-3967a Fig. 0441 IMG-0572a Fig. 0439 4/1-46 Toro Wheeled CUL Service Manual...
Page 144 7. Install the seal with the cupped side facing out (Fig. 0445). punch or soft metal punch to drive it in. Make sure it is seated completely (Fig. 0443). IMG-0569a Fig. 0445 IMG-0563a Fig. 0443 Toro Wheeled CUL Service Manual 4/1-47...
Page 145: Front Sprocket & Wheel Hub Installation
9. Pack the other bearing with grease and install to the nut side of the hub. 2. Install 5 bolts and nuts to secure the sprocket to the front hub (Fig. 0448). DSC-0311 Fig. 0448 4/1-48 Toro Wheeled CUL Service Manual...
Page 146 DSC-0322a Fig. 0451 DSC-0312a Fig. 0449 6. Install the front hub and sprocket assembly onto the 4. Grease the inside of the seal (Fig. 0450). axle (Fig. 0452). DSC-0326a DSC-0317a Fig. 0452 Fig. 0450 4/1-49 Toro Wheeled CUL Service Manual...
Page 147 10. Using a 1-1/8” socket, tighten the nut to seat the 8. Install the washer (Fig. 0454). bearings then back it off. Back off nut so first slot in nut aligns with hole in axle (Fig. 0456). DSC-0329a Fig. 0454 DSC-0333a Fig. 0456 4/1-50 Toro Wheeled CUL Service Manual...
Page 148 13. Using general purpose grease, fill the inner cavity of the hub assembly (Fig. 0459). DSC-0336a Fig. 0457 DSC-0339a Fig. 0459 12. Install the bearing protector (Fig. 0458). 14. Install the bearing protector cap (Fig. 0460). DSC-0338a Fig. 0458 DSC-0341a Fig. 0460 4/1-51 Toro Wheeled CUL Service Manual...
Page 149 Fig. 0463 16. Install the master chain link into one end of the chain 18. Install the master link retainer onto the master chain (Fig. 0462). link (Fig. 0464). DSC-0343a DSC-0346a Fig. 0462 Fig. 0464 4/1-52 Toro Wheeled CUL Service Manual...
Page 150 DSC-0349a Fig. 0465 DSC-0353a Fig. 0467 20. Slide the front wheel onto the wheel hub (Fig. 0466). 22. Position the chain cover to the main frame (Fig. 0468). DSC-0351a Fig. 0466 DSC-0354 Fig. 0468 4/1-53 Toro Wheeled CUL Service Manual...
Page 151: Checking The Drive Chain Tension
“Adjusting the Drive Chain Tension” on page 4/1-55. 6. Repeat steps 3 through 5 for the other drive chain. 7. Start the engine and raise the bucket to return the front wheels to the ground. 4/1-54 Toro Wheeled CUL Service Manual...
Page 152: Adjusting The Drive Chain Tension
(Fig. 0474) and torque the nut to 4. Loosen the nut on the chain tensioning bolt and 30 ft-lbs. (41 Nm). loosen the bolt (Fig. 0472). DSC-0124a Fig. 0474 DSC-0124a Fig. 0472 4/1-55 Toro Wheeled CUL Service Manual...
Page 153: Wheel Motor Replacement
2. Using a 1/2” socket, remove the 2 bolts securing the chain cover to the main frame (Fig. 0476). 10. Start the engine and raise the bucket to return the front wheels to the ground. DSC-0356a Fig. 0476 4/1-56 Toro Wheeled CUL Service Manual...
Page 154 Fig. 0479 4. Rotate the wheels until the master link on the chain is visible (Fig. 0478). 6. Remove the rear wheel from the rear hub (Fig. 0480). DSC-0119 Fig. 0478 DSC-0360a Fig. 0480 4/1-57 Toro Wheeled CUL Service Manual...
Page 155 DSC-0364a DSC-0362a Fig. 0483 Fig. 0481 10. Remove the chain from the rear wheel sprocket (Fig. 8. Remove the retainer from the master chain link (Fig. 0484). 0482). DSC-0367a DSC-0363a Fig. 0484 Fig. 0482 4/1-58 Toro Wheeled CUL Service Manual...
Page 156 DSC-0369a DSC-0371a Fig. 0485 Fig. 0487 12. Slide a wheel hub puller (Toro part no. TOR6006) 14. Using a 1-1/2” socket, break the hub assembly free onto the wheel hub studs (Fig. 0486). of the wheel motor shaft (Fig. 0488).
Page 157 17. Remove the hub and sprocket assembly from the 20. Using a 1-1/8” offset wrench, remove the hydraulic wheel motor shaft (Fig. 0490). line (marked with a “C”) from the counterbalance valve (Fig. 0492). DSC-0374 Fig. 0490 DSC-0379a Fig. 0492 4/1-60 Toro Wheeled CUL Service Manual...
Page 158 DSC-0390a Fig. 0495 22. Remove the hydraulic line (Fig. 0494). 24. Using a 1-1/8” offset wrench, remove the hydraulic line from the rear wheel motor fitting (Fig. 0496). DSC-0388a Fig. 0494 DSC-0392a Fig. 0496 Toro Wheeled CUL Service Manual 4/1-61...
Page 159 28. Using a 3/4” socket, remove the 4 bolts securing the and wheel motor ports to prevent debris from wheel motor housing to the main frame (Fig. 0500). contaminating the system (Fig. 0498). DSC-0402a Fig. 0500 DSC-0398a Fig. 0498 4/1-62 Toro Wheeled CUL Service Manual...
Page 160 (Fig. 0502). DSC-0404a Fig. 0501 DSC-0405a Fig. 0502 30. To service the existing wheel motor, refer to the Parker Hydraulics Service Manual (Toro Form No. 492-4753). 4/1-63 Toro Wheeled CUL Service Manual...
Page 161: Wheel Motor Installation
2. Slide the floor jack under the machine. Raise the frame (Fig. 0506). floor jack and angle the wheel motor shaft up (Fig. 0504). DSC-0410a Fig. 0506 DSC-0407a Fig. 0504 4/1-64 Toro Wheeled CUL Service Manual...
Page 162 9. Loosely install the hydraulic line nut to the front 7. Remove plugs from ports and fittings. Using a wheel motor fitting (Fig. 0510). 1-1/16” socket, install 2 fittings into the wheel motor ports (Fig. 0508). DSC-0420a Fig. 0510 DSC-0394a Fig. 0508 4/1-65 Toro Wheeled CUL Service Manual...
Page 163 13. Using a 3/4” socket, torque the 4 wheel motor line nut to the rear counterbalance valve fitting (Fig. mounting bolts to 75 ± 8 ft-lbs. (102 ± 11 Nm) (Fig. 0512). 0514). DSC-0423a DSC-0412a Fig. 0512 Fig. 0514 4/1-66 Toro Wheeled CUL Service Manual...
Page 164 (Fig. 0516). DSC-0222a Fig. 0517 20. Using a 3/4” socket and wrench, remove the 5 bolts and nuts that secure the sprocket to the rear hub (Fig. 0518). DSC-0429a Fig. 0516 DSC-0223a Fig. 0518 Toro Wheeled CUL Service Manual 4/1-67...
Page 165 25. Using a 3/4” socket and wrench, torque the 5 bolts 22. Place a new hub in a vise. and nuts to 75 ft-lbs. (102 Nm) (Fig. 0522). 23. Position the sprocket onto the new hub (Fig. 0520). DSC-0233a Fig. 0522 DSC-0230 Fig. 0520 4/1-68 Toro Wheeled CUL Service Manual...
Page 166 27. Slide the hub assembly onto the wheel motor shaft aligning the slot in the hub with the wheel motor shaft key (Fig. 0524). DSC-0436a Fig. 0526 DSC-0434a Fig. 0524 4/1-69 Toro Wheeled CUL Service Manual...
Page 167 32. Install the master link retainer onto the master chain sprocket (Fig. 0527). link (Fig. 0529). DSC-0438a DSC-0442a Fig. 0527 Fig. 0529 31. Install the master link into the ends of the chain (Fig. 0528). DSC-0440a Fig. 0528 4/1-70 Toro Wheeled CUL Service Manual...
Page 168 34. Slide the wheel and tire assembly onto the wheel (Fig. 0530 and Fig. 0531). hub studs (Fig. 0532). DSC-0443 DSC-0259a Fig. 0530 Fig. 0532 35. Install the 5 lug nuts (Fig. 0533). DSC-0445 Fig. 0531 DSC-0260a Fig. 0533 Toro Wheeled CUL Service Manual 4/1-71...
Page 169 Refer to “Battery Installation” on page 4/5-7. 40. Lower the machine. 41. Start the engine and operate the wheel motor. Check for leaks and purge air. 42. Check hydraulic fluid for proper level and add if required. DSC-0171a Fig. 0535 4/1-72 Toro Wheeled CUL Service Manual...
Page 170: Chain Drive Hydraulics
4. Position a loader arm cylinder lock over each lift cylinder rod (Fig. 0538). Fig. 0540 DSC-0447a A. Negative battery cable B. Positive battery cable C. Wing nut, washer, carriage bolt D. Battery clamp Fig. 0538 DSC-0452a Toro Wheeled CUL Service Manual 4/2-1...
Page 171 DSC-0507a 9. Using a 1/2” wrench and socket, remove the nut 11. Remove the fuel tank mounting plate (Fig. 0544). from the fuel tank mounting bolt (Fig. 0542). Fig. 0544 DSC-0467a Fig. 0542 DSC-0465a 4/2-2 Toro Wheeled CUL Service Manual...
Page 172 15. Using a 1-1/8” offset wrench, remove the hydraulic fitting (Fig. 0546). line nut from the lower front counterbalance valve fitting (Fig. 0548). Fig. 0546 DSC-0470a Fig. 0548 DSC-0474a Toro Wheeled CUL Service Manual 4/2-3...
Page 173 (Fig. 0549). Fig. 0551 DSC-0482a Fig. 0549 DSC-0479a 17. Using a 1-1/8” offset wrench, remove the hydraulic line nut from the lower rear counterbalance valve fitting (Fig. 0550). Fig. 0550 DSC-0480a 4/2-4 Toro Wheeled CUL Service Manual...
Page 174 21. Transfer the hydraulic fittings from the old counter Note: The spacer is located between the counter- balance valve and the frame (Fig. 0553). balance valve to the new counterbalance valve (Fig. 0555). Fig. 0553 DSC-0487a Fig. 0555 DSC-0491a Toro Wheeled CUL Service Manual 4/2-5...
Page 175: Counterbalance Valve Installation
4. Loosely install the hydraulic line nut to the front upper counterbalance valve fitting (Fig. 0559). 2. Loosely install the hydraulic line nut to the lower rear counterbalance valve fitting (Fig. 0557). Fig. 0559 DSC-0500a Fig. 0557 DSC-0493a 4/2-6 Toro Wheeled CUL Service Manual...
Page 176 Loosely install the hydraulic line nut to the lower front counterbalance valve fitting (Fig. 0561). Fig. 0563 DSC-0488a Fig. 0561 DSC-0503a Toro Wheeled CUL Service Manual 4/2-7...
Page 177 11. Position the fuel tank on the fuel tank mounting bracket (Fig. 0565). Fig. 0567 DSC-0507a Fig. 0565 DSC-0505a 4/2-8 Toro Wheeled CUL Service Manual...
Page 178 17. Raise the loader arm all the way up to remove pressure from the loader arm cylinder locks. 18. Remove the clevis pin and cotter pin from the loader arm cylinder locks (Fig. 0571). Fig. 0569 DSC-0458a Fig. 0571 DSC-0455a Toro Wheeled CUL Service Manual 4/2-9...
Page 179 25. Check and add hydraulic fluid to the hydraulic tank as required. Fig. 0572 DSC-0452a 20. Reinstall the loader arm cylinder locks onto the hydraulic auxiliary lines (for storage) (Fig. 0573). Fig. 0573 DSC-0449a 4/2-10 Toro Wheeled CUL Service Manual...
Page 180: 4-Spool Valve Replacement
4. Loosen both the hydraulic line nuts on the hydraulic line with the test port fitting (Fig. 0577). Fig. 0574 DSC-2852a 2. Remove the cover plate (Fig. 0575). Fig. 0577 PICT-9994a Fig. 0575 DSC-2850a Toro Wheeled CUL Service Manual 4/2-11...
Page 181 4spool valve (Fig. 0581). 7. Remove the hydraulic line nut from the fitting located on the right hand side of the 4-spool valve (Fig. 0579). Fig. 0581 DSC-2720 Fig. 0579 PICT-0002a 4/2-12 Toro Wheeled CUL Service Manual...
Page 182 (Fig. 0585). Note there are 2 washers on each bolt: one in front of the r-clamp and one on the back of the r-clamp. Fig. 0583 DSC-2725a Fig. 0585 DSC-2732a Toro Wheeled CUL Service Manual 4/2-13...
Page 183 18. Remove the 4-spool valve from the machine (Fig. Fig. 0586 DSC-2739a 0589). 16. Lower the 4-spool valve and loosen the hy draulic line nut from the auxiliary relief fitting (Fig. 0587). Fig. 0589 DSC-2744a Fig. 0587 DSC-2740a 4/2-14 Toro Wheeled CUL Service Manual...
Page 184 20. Remove the 3 remaining handles from the 4-spool 22. Remove the bolt and spacer block from the other valve (Fig. 0591). end of the 4-spool valve (Fig. 0593). Fig. 0591 DSC-2750a Fig. 0593 DSC-2766a Toro Wheeled CUL Service Manual 4/2-15...
Page 185 4-spool valve, refer to “105-6246 4-Spool Valve Rebuild (Chain Drive)” on page 3/1-33. Fig. 0594 DSC-2773a Fig. 0596 DSC-2779a 24. Remove the relief valve o-ring from the 4-spool valve (Fig. 0595). Fig. 0595 DSC-2775 4/2-16 Toro Wheeled CUL Service Manual...
Page 186: 4-Spool Valve Installation
2. Install the o-ring on the relief valve (Fig. 0599). D. Lift cylinder fittings (2) E. Right hand counterbalance valve fittings (2) F. Left hand counterbalance valve fittings (2) G. Hydraulic test port fitting Fig. 0599 DSC-2781a Toro Wheeled CUL Service Manual 4/2-17...
Page 187 4. Loosely install the 3 spacers and bolts to the valve 6. Tighten the jam nuts on the three levers (Fig. 0603). body (Fig. 0601). Note: The different size spacer is located at the top. Fig. 0603 DSC-2808a Fig. 0601 DSC-2802a 4/2-18 Toro Wheeled CUL Service Manual...
Page 188 DSC-2806a 10. Route the auxiliary relief valve metal line around the choke cable (Fig. 0607). 8. Tighten the 3 set screws securing the control lever rods (Fig. 0605). Fig. 0607 DSC-2822a Fig. 0605 DSC-2812a Toro Wheeled CUL Service Manual 4/2-19...
Page 189 4-spool valve line to the Tfitting on the 4spool valve (Fig. valve (Fig. 0611). 0609). Tighten both nuts on the auxiliary relief valve hydraulic line. Fig. 0611 DSC-2832a Fig. 0609 DSC-2827a 4/2-20 Toro Wheeled CUL Service Manual...
Page 190 4spool valve fittings (Fig. 0615). valve (Fig. 0613). Note: The hydraulic line on the rod end of the tilt cylinder connects to the top fitting on the 4-spool valve. Fig. 0615 DSC-2837a Fig. 0613 DSC-2727 Toro Wheeled CUL Service Manual 4/2-21...
Page 191 20. Install the filter return line to the fitting on the right hand side of the 4spool valve (fitting was previously left loose. After the hydraulic line is installed, tighten the fitting (Fig. 0617). Fig. 0618 DSC-2844a Fig. 0617 DSC-2841a Fig. 0619 DSC-2845a 4/2-22 Toro Wheeled CUL Service Manual...
Page 192 23. Position the control panel plate on the control panel (Fig. 0621). 26. Start the machine and check for leaks. 27. Purge air from the system. 28. Check the hydraulic fluid level and add if necessary. Fig. 0621 DSC-2850a Toro Wheeled CUL Service Manual 4/2-23...
Page 193: Hydraulic Filter Head Replacement
(Fig. 0626). Fig. 0623 DSC-2932a 2. Loosen the hose clamp securing the hydraulic fluid return hose to the fitting on the top of the filter head assembly (Fig. 0624). Fig. 0626 DSC-2937a Fig. 0624 DSC-2935a 4/2-24 Toro Wheeled CUL Service Manual...
Page 194 7. Remove the straight fitting and the 45º elbow fitting from the filter head assembly (Fig. 0629). Fig. 0627 DSC-2939a Fig. 0629 DSC-2954a 6. Remove the filter head assembly from the hydraulic tank return port (Fig. 0628). Fig. 0628 DSC-2942a Toro Wheeled CUL Service Manual 4/2-25...
Page 195: Hydraulic Filter Head Installation
45º elbow fitting. Tighten the 45º elbow fitting (Fig. 0633). Fig. 0630 DSC-2954a 2. Install the filter head assembly into the hydraulic tank return port (Fig. 0631). Fig. 0633 DSC-2957a Fig. 0631 DSC-2942a 4/2-26 Toro Wheeled CUL Service Manual...
Page 196 Tighten it clockwise until the rubber gasket contacts the filter adapter, then tighten the filter an additional 1/2 turn (Fig. 0635). fig. 32 G003721 Fig. 0635 A. Hydraulic filter C. Adapter B. Gasket Toro Wheeled CUL Service Manual 4/2-27...
Page 197: Auxiliary Valve & Selector Valve Replacement
Cap the fittings and hose ends to prevent contamination (Fig. 0639). 1. Unplug the auxiliary valve safety switch from the harness (Fig. 0637). Fig. 0639 PICT-9940a Fig. 0637 PICT-9936a A. Switch B. Harness Plug 4/2-28 Toro Wheeled CUL Service Manual...
Page 198 7. Remove the four bolts, spacers, washers, and nuts fitting located on the left side of the selector valve securing the valves to the upper frame (Fig. 0643). (Fig. 0641). Fig. 0643 PICT-9949a Fig. 0641 PICT-9944a Toro Wheeled CUL Service Manual 4/2-29...
Page 199 B. Selector valve 9. Loosen the jam nut on the straight fitting located between the valves (Fig. 0645). 11. Remove the Auxiliary bracket from the auxiliary valve (Fig. 0647). Fig. 0645 PICT-9954a Fig. 0647 PICT-9959a 4/2-30 Toro Wheeled CUL Service Manual...
Page 200: Auxiliary Valve & Selector Valve Installation
Note: The washer is located between the auxiliary mount and the auxiliary valve (Fig. 0649). Fig. 0648 PICT-9961a Fig. 0649 PICT-9970a 2. Loosely install a second bolt through the auxiliary mount and into the valve spool (Fig. 0650). Fig. 0650 PICT-9971a Toro Wheeled CUL Service Manual 4/2-31...
Page 201 The two short spacers are used on the auxiliary valve (A) and the two longer spacers are used on the selector valve (B) (Fig. 0654). Fig. 0652 PICT-9972a Fig. 0654 PICT-9976a 4/2-32 Toro Wheeled CUL Service Manual...
Page 202 8. Position the valve assembly to the upper frame (Fig. 0656). Position two long spacers between the selector valve and the frame. Loosely install two bolts, washers and nuts. Fig. 0658 PICT-9947a Fig. 0656 PICT-9952a Toro Wheeled CUL Service Manual 4/2-33...
Page 203 0660). and selector valves. Tighten and trim the excess (Fig. 0662). This will ensure the hydraulic lines do not come in contact with the muffler. Fig. 0660 PICT-9981a Fig. 0662 PICT-9986a 4/2-34 Toro Wheeled CUL Service Manual...
Page 204: Lift Cylinder Replacement
2. Turn the machine off and remove the key. 17. Check for leaks. 3. Mark the upper hydraulic hose and cylinder fitting 18. Check the hydraulic fluid level. Add fluid if necessary. (Fig. 0665). Fig. 0665 DSC-2904a Toro Wheeled CUL Service Manual 4/2-35...
Page 205 Note: Install a plug and cap on the hose and cylinder fittings to help stop any oil leakage pin to the cylinder (Fig. 0669). and prevent debris from entering the system (Fig. 0667). Fig. 0669 DSC-2905a Fig. 0667 DSC-2898a 4/2-36 Toro Wheeled CUL Service Manual...
Page 206 Fig. 0670 DSC-2906a 10. Remove the hydraulic cylinder from the machine 8. Remove the shoulder bolt securing the lower pivot (Fig. 0673). pin to the cylinder (Fig. 0671). Fig. 0673 DSC-2911a Fig. 0671 DSC-2907a Toro Wheeled CUL Service Manual 4/2-37...
Page 207: Lift Cylinder Installation
12. To service the lift cylinder, refer to “100-4163 Hydraulic Cylinder Rebuild” (Old Style) for 2004 and older units, on page 3/1-17 or “105-7867 Hydraulic Cylinder Rebuild” (New Style) for 2005 and newer units, on page 3/1-40. Fig. 0677 DSC-2920a 4/2-38 Toro Wheeled CUL Service Manual...
Page 208 Fig. 0678 DSC-2908a 4. Install a shoulder bolt to secure the pivot pin. Torque Fig. 0680 DSC-2927a the shoulder bolt to 150 - 179 in-lbs (17 - 20 Nm) (Fig. 0679). Fig. 0679 DSC-2923a Toro Wheeled CUL Service Manual 4/2-39...
Page 209 11. Check the hydraulic fluid and add if necessary. Fig. 0681 DSC-2906a 7. Install a shoulder bolt to secure the pivot pin. Torque the shoulder bolt to 150 - 179 in-lbs (17 - 20 Nm) (Fig. 0682). Fig. 0682 DSC-2929a 4/2-40 Toro Wheeled CUL Service Manual...
Page 210: Tilt Cylinder Replacement (New Style)
3. Remove the cable tie securing the hydraulic lines to the tilt cylinder barrel (Fig. 0687). Tilt Cylinder Removal 1. Remove the shoulder bolt from the lower pivot pin (Fig. 0685). Fig. 0687 DSC-2856a Fig. 0685 DSC-2854a Toro Wheeled CUL Service Manual 4/2-41...
Page 211 (Fig. 0688). Allow the hydraulic fluid to drain into the drain pan. Fig. 0690 DSC-2864a Fig. 0688 DSC-2859a 5. Remove the shoulder bolt from the upper pivot pin (Fig. 0689). Fig. 0689 DSC-2862a 4/2-42 Toro Wheeled CUL Service Manual...
Page 212: Tilt Cylinder Installation
8. To service the tilt cylinder, refer to “100-4163 Hydraulic Cylinder Rebuild” (Old Style) for 2004 and older units, on page 3/1-17 or “105-7867 Hydraulic Cylinder Rebuild” (New Style) for 2005 and newer Fig. 0694 DSC-2864a units, on page 3/1-40. Toro Wheeled CUL Service Manual 4/2-43...
Page 213 150 – 170 in-lbs. (17 – 20 Nm) (Fig. 0698). (Fig. 0696). Note: Use double wrenches to prevent the fittings from spinning and twisting the hose. Fig. 0698 DSC-2882a Fig. 0696 DSC-2879a 4/2-44 Toro Wheeled CUL Service Manual...
Page 214 Check for leaks. 12. Check the hydraulic fluid and add as necessary. Fig. 0699 DSC-2884a 8. Remove the drain pan. 9. Grease the upper and lower pivot pin and bushing assemblies (Fig. 0700). Fig. 0700 DSC-2885a Toro Wheeled CUL Service Manual 4/2-45...
Page 215 CHAIN DRIVE/HYDRAULICS THIS PAGE INTENTIONALLY LEFT BLANK. 4/2-46 Toro Wheeled CUL Service Manual...
Page 216: Chain Drive Loader Arm
4. Using a 1/2” socket, remove the 3 bolts retaining the Loader Arm Replacement 3 pivot pins to the attach plate (Fig. 0703). Loader Arm Removal 1. Raise the loader arm 6” - 8” (15 - 20cm) away from frame and position attach plate flat (horizontally) (Fig. 0701). Fig. 0703 DSC-1383w 5. Remove the center pivot pin (Fig. 0704). DSC-1380a Fig. 0701 2. 4-Paw machines: Remove the hood. 3. Support the attach plate with a floor jack (Fig. 0702). DSC-1387w Fig. 0704 Fig. 0702 DSC-1382w Toro Wheeled CUL Service Manual 4/3-1...
Page 217 CHAIN DRIVE/LOADER ARM 6. Remove the RH and LH pivot pins (Fig. 0705 and 7. Remove the attach plate (Fig. 0707). Fig. 0706). Fig. 0707 DSC-1395w Fig. 0705 DSC-1392w 8. Using a 1/2” socket, remove the bolt securing the upper tilt cylinder pivot pin to the tilt cylinder (Fig. 0708). Fig. 0706 DSC-1394w Fig. 0708 DSC-1398a 4/3-2 Toro Wheeled CUL Service Manual...
Page 218 Fig. 0709 12. Place an oil pan underneath the couplers to catch 10. Lay the tilt cylinder alongside the unit (Fig. 0710). drainage. 13. Using a 1-1/8” wrench remove the hydraulic line to the male (M) flush face coupler (Fig. 0712). Note: Use a plug to protect the line from contami nation. DSC-1402w Fig. 0710 DSC-1405a Fig. 0712 Toro Wheeled CUL Service Manual 4/3-3...
Page 219 CHAIN DRIVE/LOADER ARM 14. Using a 1-18” wrench remove the hydraulic line to 15. Using a 1-1/4” wrench and 1-5/16” wrench remove the female (F) flush face coupler (Fig. 0713). the nut from the male flush face coupler (Fig. 0714) and remove the male flush face coupler (Fig. 0715). Note: Use a plug to protect the line from contami nation. Fig. 0714 DSC-1411a DSC-1406a Fig. 0713 Fig. 0715 DSC-1413a 4/3-4 Toro Wheeled CUL Service Manual...
Page 220 CHAIN DRIVE/LOADER ARM 16. Using a 1-5/16” wrench remove the nut from the 17. Remove the drain pan. female flush face coupler (Fig. 0716) and remove the female flush face coupler (Fig. 0717). 18. Using a properly rated strap or chain and hoist, support the cross-member of the loader arm (Fig. 0718). Fig. 0716 DSC-1414a Fig. 0718 DSC-1418a 19. Using a 1/2” socket remove the 2 bolts securing the lift cylinder pin to the loader arm and the loader arm pivot pin to the frame (2 per side, left side shown) (Fig. 0719). Fig. 0717 DSC-1415a Fig. 0719 DSC-1419a Toro Wheeled CUL Service Manual 4/3-5...
Page 221 CHAIN DRIVE/LOADER ARM 20. Remove the left and right lift cylinder pin from the 22. Remove the loader arm from the machine (Fig. loader arm (Fig. 0720). 0722). Fig. 0720 DSC-1422a Fig. 0722 DSC-1425a 21. Remove the left and right loader arm pivot pin from the frame (Fig. 0721). Fig. 0721 DSC-1424a 4/3-6 Toro Wheeled CUL Service Manual...
Page 222: Loader Arm Installation
Loader Arm Installation place as necessary (Fig. 0725). 1. Inspect the loader arm and pivot pins for wear or damage. Replace as necessary (Fig. 0723). Fig. 0725 DSC-1458a Fig. 0723 DSC-1448a 4. Install the loader arm onto the unit, aligning the pivot points on the loader arm with the pivot points on the upper frame (Fig. 0726). 2. Inspect the hydraulic cylinder yolks for wear or damage. Replace as necessary (Fig. 0724). Fig. 0726 DSC-1459a Fig. 0724 DSC-1453a 4/3-7 Toro Wheeled CUL Service Manual...
Page 223 CHAIN DRIVE/LOADER ARM 5. Install a pivot pin through the frame and loader arm 8. Repeat for the opposite side. pivot point (Fig. 0727). 9. Using a 1/2” socket, install 4 bolts to secure the pivot pins to the upper frame and lift cylinders on both sides of the machine. Torque the bolts to 19 ft-lbs. (26 Nm) (Fig. 0729 and Fig. 0730). Fig. 0727 DSC-1462a 6. Repeat for the opposite side. Fig. 0729 DSC-1466a 7. Install a pivot pin through the lift cylinder and loader arm pivot point (Fig. 0728). DSC-1467a Fig. 0730 Fig. 0728 DSC-1463a 4/3-8 Toro Wheeled CUL Service Manual...
Page 224 (Fig. 0731). 13. Position the male flush face coupler into the coupler bracket on the loader arm (Fig. 0733). Fig. 0731 DSC-1468a DSC-1471a Fig. 0733 12. Using a 1-5/16” wrench install the nut to the female flush face coupler (Fig. 0732). 14. Using a 1-1/4” wrench and 1-5/16” wrench install the nut to the male flush face coupler (Fig. 0734). DSC-1470a Fig. 0732 DSC-1474a Fig. 0734 Toro Wheeled CUL Service Manual 4/3-9...
Page 225 CHAIN DRIVE/LOADER ARM 15. Using a 1-1/8” wrench install the hydraulic line (F) to 17. With the fittings facing up toward the engine, position the female flush face coupler (Fig. 0735). the tilt cylinder in the center of the loader arm (Fig. 0737). DSC-1479a Fig. 0735 Fig. 0737 DSC-1482a 16. Using a 1-1/8” wrench install the hydraulic line (M) to 18. Install the upper pivot pin through the tilt cylinder the male flush face coupler (Fig. 0736). yoke and loader arm bracket (Fig. 0738). Fig. 0736 DSC-1481a Fig. 0738 DSC-1483a 4/3-10 Toro Wheeled CUL Service Manual...
Page 226 CHAIN DRIVE/LOADER ARM 19. Install a bolt to secure the pivot pin to the cylinder 21. Install the right and left side pivot pins into the pivot yoke. Torque the bolt to 19 ft-lbs. (26 Nm) (Fig. points (Fig. 0741). 0739). Fig. 0741 DSC-1489a Fig. 0739 DSC-1485a 22. Align the tilt cylinder ram with the attach plate center 20. Position the attach plate to the loader arm pivot pivot point. Install the center pivot pin securing the points (Fig. 0740). tilt cylinder to the attach plate (Fig. 0742). DSC-1487a Fig. 0742 DSC-1491a Fig. 0740 Toro Wheeled CUL Service Manual 4/3-11...
Page 227 CHAIN DRIVE/LOADER ARM 23. Using a 1/2” socket, install 3 bolts securing each 25. Remove the floor jack. of the pivot pins to the attach plate (2) and the tilt cylinder ram (1) (Fig. 0743). 26. 4-Paw machines: Install the hood. 27. Start the machine. Raise and lower the loader arm. 28. Check the hydraulic fluid level and add if necessary. 29. Grease the pivot points (using #2 general purpose luthium grease): Left side (Fig. 0745) Fig. 0743 DSC-1493a 24. Torque the 3 pivot pin bolts to 19 ft-lbs. (26 Nm) (Fig. 0744). DSC-1497a Fig. 0745 Fig. 0744 DSC-1494a 4/3-12 Toro Wheeled CUL Service Manual...
Page 228 CHAIN DRIVE/LOADER ARM Attach plate (Fig. 0746) Fig. 0746 DSC-1498a Right side (Fig. 0747) Fig. 0747 DSC-1499a Toro Wheeled CUL Service Manual 4/3-13...
Page 229 CHAIN DRIVE/LOADER ARM THIS PAGE INTENTIONALLY LEFT BLANK. 4/3-14 Toro Wheeled CUL Service Manual...
Page 230: Chain Drive Gas Engine
5. Remove the loader arm cylinder locks located on the hydraulic auxiliary lines (Fig. 0748). Fig. 0749 DSC-0452a 7. Secure each loader arm cylinder lock with a clevis pin and hairpin cotter (Fig. 0750). Fig. 0748 DSC-0448a Fig. 0750 DSC-0455a Toro Wheeled CUL Service Manual 4/4-1...
Page 231 Remove the battery clamp (Fig. 0754). other end in the drain pan (Fig. 0752). Fig. 0754 DSC-0447a Fig. 0752 DSC-0596a A. Negative battery cable C. Wing nut, washer, B. Positive battery cable carriage bolt D. Battery clamp 4/4-2 Toro Wheeled CUL Service Manual...
Page 232 16. Turn the fuel shut off valve to the OFF position (Fig. 0756). 18. Place an absorbent towel under the hydraulic pump. 19. Using a 15/16” wrench, remove the front hydraulic line from the pump fitting (Fig. 0758). Fig. 0756 DSC-0647a Fig. 0758 DSC-0605a Toro Wheeled CUL Service Manual 4/4-3...
Page 233 22. Loosen the hose clamps on the front suction hose line from the pump fitting (Fig. 0759). (Fig. 0761). Fig. 0759 DSC-0607a Fig. 0761 DSC-0610a 21. Cap the lines and fittings so debris does not enter 23. Slide the front suction hose off the hydraulic pump suction fitting (Fig. 0762). the system (Fig. 0760). Fig. 0760 DSC-0609a Fig. 0762 DSC-0611a 4/4-4 Toro Wheeled CUL Service Manual...
Page 234 27. Using a 1/2” socket, remove the 4 nuts and lock washers securing the muffler to the engine manifold (Fig. 0765 and Fig. 0766). Fig. 0763 DSC-0613a 25. Slide the rear suction hose off the hydraulic pump Fig. 0765 DSC-0620a suction fitting (Fig. 0764). Fig. 0764 DSC-0614a Fig. 0766 DSC-0617a Toro Wheeled CUL Service Manual 4/4-5...
Page 235 (Fig. 0769). Fig. 0767 DSC-0622a Fig. 0769 DSC-0628a 29. Remove the muffler (Fig. 0768). 31. Remove the throttle cable from the clamp and unhook it from the engine throttle lever (Fig. 0770). Fig. 0768 DSC-0623a Fig. 0770 DSC-0629a 4/4-6 Toro Wheeled CUL Service Manual...
Page 236 33. Remove the air cleaner cover from the engine (Fig. 35. Remove the choke cable from the clamp and unhook 0772). it from the engine choke lever (Fig. 0774). Fig. 0772 DSC-0632a Fig. 0774 DSC-0771a Toro Wheeled CUL Service Manual 4/4-7...
Page 237 Fig. 0777 DSC-0646a Fig. 0775 DSC-0640a 39. Unplug the wire harness connector from the engine 37. Slide the fuel line hose clamp away from the fuel (Fig. 0778). filter (Fig. 0776). Fig. 0778 DSC-0654a Fig. 0776 DSC-0644a 4/4-8 Toro Wheeled CUL Service Manual...
Page 238 41. Using a 13mm socket, remove the nut securing the 43. Remove the red harness wire from the starter positive battery cable and the red harness wire to solenoid (Fig. 0782). the starter solenoid (Fig. 0780). Fig. 0782 DSC-0661a Fig. 0780 DSC-0658a Toro Wheeled CUL Service Manual 4/4-9...
Page 239 47. Carefully raise the engine out of the frame (Fig. receive the engine. Slide the engine out toward the 0786). rear. Rest the back of the engine on the lumber (Fig. 0784). Fig. 0786 DSC-0671a Fig. 0784 DSC-0668a 4/4-10 Toro Wheeled CUL Service Manual...
Page 240 (Fig. 0789). Fig. 0787 DSC-0733a Fig. 0789 DSC-0680a 49. Remove the fuel filter from the fuel line (Fig. 0788). 51. Using an 8 point 1/4” socket, loosen the 2 hydraulic pump coupler set screws (Fig. 0790). Fig. 0788 DSC-0734a Fig. 0790 DSC-0681a Toro Wheeled CUL Service Manual 4/4-11...
Page 241 54. Remove the key from the crankshaft keyway (Fig. pump mount to the engine (Fig. 0791). 0793). Fig. 0793 DSC-0690a Fig. 0791 DSC-0683a 53. Remove the hydraulic pump and mount assembly from the crankshaft (Fig. 0792). Fig. 0792 DSC-0688a 4/4-12 Toro Wheeled CUL Service Manual...
Page 242 0796). (Fig. 0794 and Fig. 0795). Fig. 0796 DSC-0694a Fig. 0794 DSC-0678a Left side 57. Remove the dust cap from the oil drain valve (Fig. 0797). Fig. 0795 DSC-0679a Fig. 0797 DSC-0695a Right side Toro Wheeled CUL Service Manual 4/4-13...
Page 243: Gas Engine Installation
(Fig. 0798 and Fig. 0799). 1. Apply pipe sealant to the threads of the oil drain valve (Fig. 0800). Fig. 0798 DSC-0697a Fig. 0800 DSC-0703a Fig. 0799 DSC-0698a 59. For engine service, refer to applicable Kohler service manual. 4/4-14 Toro Wheeled CUL Service Manual...
Page 244 Fig. 0802). Fig. 0803 DSC-0710a Fig. 0801 DSC-0705a 4. Using a 9/16” socket and wrench, install 4 bolts and nuts securing the engine to the engine mount (Fig. 0804). Fig. 0802 DSC-0707a Fig. 0804 DSC-0715a Toro Wheeled CUL Service Manual 4/4-15...
Page 245 0807). Fig. 0805 DSC-0714a Fig. 0807 DSC-0722a 6. Install the dust cap onto the oil drain valve (Fig. 8. Apply anti-seize to the engine crankshaft (Fig. 0808). 0806). Fig. 0808 DSC-0724a Fig. 0806 DSC-0717a 4/4-16 Toro Wheeled CUL Service Manual...
Page 246 12. Using an 8 point 1/4” socket, tighten the 2 hydraulic engine (Fig. 0810). pump coupler set screws. Torque them to 100 ± 10 in-lbs. (11.3 + 1 Nm) (Fig. 0812). Fig. 0810 DSC-0729a Fig. 0812 DSC-0732a Toro Wheeled CUL Service Manual 4/4-17...
Page 247 (Fig. 0816). 15. Raise the hoist and position the engine partially into the main frame and resting on the lumber (Fig. 0814). Fig. 0816 DSC-0739a Fig. 0814 DSC-0735a 4/4-18 Toro Wheeled CUL Service Manual...
Page 248 (39.5 + 5.6 Nm) (Fig. 0819). frame (Fig. 0817 and Fig. 0818). Fig. 0819 DSC-0746a Fig. 0817 DSC-0740a 20. Slide the black battery cable onto the ground bolt (Fig. 0820). Fig. 0818 DSC-0741a Fig. 0820 DSC-0747a Toro Wheeled CUL Service Manual 4/4-19...
Page 249 DSC-0753a 22. Slide the star washer onto the ground bolt (Fig. 24. Torque the ground bolt to 200 ± 25 in-lbs. (22.6 + 0822). 2.8 Nm) (Fig. 0824). Fig. 0822 DSC-0750a Fig. 0824 DSC-0757a 4/4-20 Toro Wheeled CUL Service Manual...
Page 250 27. Slide the hose clamp into place to secure the fuel filter (Fig. 0827). nector (Fig. 0825). Fig. 0825 DSC-0754a Fig. 0827 DSC-0759a 26. Slide the fuel line onto the fuel filter (Fig. 0826). 28. Turn the fuel shut-off valve to the ON position (Fig. 0828). Fig. 0826 DSC-0758a Fig. 0828 DSC-0762a Toro Wheeled CUL Service Manual 4/4-21...
Page 251 (Fig. 0831). Fig. 0829 DSC-0764a Fig. 0831 DSC-0766a 30. Slide the red battery cable onto the starter solenoid (Fig. 0830). 32. Remove the air cleaner cover (Fig. 0832). Fig. 0830 DSC-0765a Fig. 0832 DSC-0768a 4/4-22 Toro Wheeled CUL Service Manual...
Page 252 36. Slide the throttle cable into the cable clamp aligning the previous indention on the cable with the choke the previous indention on the cable with the throttle cable clamp (Fig. 0834). cable clamp (Fig. 0836). Fig. 0834 DSC-0802a Fig. 0836 DSC-0778a Toro Wheeled CUL Service Manual 4/4-23...
Page 253 39. Install the 2 manifold gaskets (Fig. 0839 and Fig. 0837). 0840). Fig. 0837 DSC-0780a Fig. 0839 DSC-0782a 38. Install the air cleaner cover knob to secure (Fig. 0838). Fig. 0840 DSC-0784a Fig. 0838 DSC-0781a 4/4-24 Toro Wheeled CUL Service Manual...
Page 254 42. Loosely install 4 lock washers and nuts securing the aligning the muffler bracket mounting holes with the muffler to the engine manifold studs (Fig. 0843). mounting holes on the engine (Fig. 0841). Fig. 0843 DSC-0793a Fig. 0841 DSC-0786a 43. Use a 1/2” socket to tighten the 4 muffler manifold 41. Loosely install 2 bolts securing the muffler bracket to nuts (Fig. 0844). the engine (Fig. 0842). Fig. 0844 DSC-0794a Fig. 0842 DSC-0787a Toro Wheeled CUL Service Manual 4/4-25...
Page 255 ± 3 Nm) (Fig. 0845). Fig. 0847 DSC-0798a Fig. 0845 DSC-0795a 47. Slide the second hydraulic suction hose onto the other hydraulic pump suction fitting (Fig. 0848). 45. Slide one of the hydraulic suction hoses onto the hydraulic pump suction fitting (Fig. 0846). Fig. 0848 DSC-0800a Fig. 0846 DSC-0797a 4/4-26 Toro Wheeled CUL Service Manual...
Page 256 A. Negative battery cable C. Wing nut, washer, B. Positive battery cable carriage bolt D. Battery clamp 51. Install the hydraulic line (marked with and R) to the rear hydraulic pump fitting (also marked with an R) (Fig. 0852). Fig. 0850 DSC-0807a Fig. 0852 DSC-0811a Toro Wheeled CUL Service Manual 4/4-27...
Page 257 Use 10W-30 or 15W-40 detergent, diesel engine oil (API service CH-4 or higher). b. Clean the area around the filler neck of the hydraulic tank. c. Remove the cap from the filler neck and check the fluid level on the dipstick. d. The fluid level should be between the marks on the dipstick. e. If the level is low, add enough fluid to raise it to the proper level. Fig. 0854 DSC-0813a f. Install the cap on the filler neck. 4/4-28 Toro Wheeled CUL Service Manual...
Page 258 Fig. 0856 DSC-0455a 64. Check and add hydraulic fluid to the hydraulic tank as required. 60. Remove the loader arm cylinder locks from the 65. Verify/adjust engine RPM to the following: • Maximum engine speed (full throttle) to 3600 ± 75 cylinder rods (Fig. 0857). RPM. • Minimum engine speed (idle) to 1400 ± 200 RPM. Fig. 0857 DSC-0452a Toro Wheeled CUL Service Manual 4/4-29...
Page 259 CHAIN DRIVE/GAS ENGINE THIS PAGE INTENTIONALLY LEFT BLANK. 4/4-30 Toro Wheeled CUL Service Manual...
Page 260: Chain Drive Electrical
G and M in the OFF switch position only (Fig. 0860). L (R) Fig. 0859 DSC-0815a Fig. 0860 IMG-0555a Position Condition G + M B + R (L) START B + S Toro Wheeled CUL Service Manual 4/5-1...
Page 261: Relay
Terminal 30 is the common lead. The switch is spring loaded so that 30 and 87a are not connected when the coil is not energized. When the coil is energized the switch is “thrown” and 30 and 87 are connected (Fig. 0937). 4/5-2 Toro Wheeled CUL Service Manual...
Page 262: Fuses
(Fig. replace the fuse, even if it appears good. 0863). Fig. 0863 DSC-0818a A. 25 amp fuse = Charge and fuel solenoid B. 30 amp fuse = Start circuit Toro Wheeled CUL Service Manual 4/5-3...
Page 263: Auxiliary Neutral Switch
NO continuity. Fig. 0864 IMG-0547a Location A neutral switch is threaded into the lower portion of the auxiliary hydraulic valve, located on the right side of the upper frame assembly (Fig. 0865). Fig. 0865 DSC-0822a 4/5-4 Toro Wheeled CUL Service Manual...
Page 264: Hour Meter
RUN position. If 12 volts DC is present, and the meter is not running, replace the meter. If 12 volts is not present, check the connections. Fig. 0866 DSC-0816a Toro Wheeled CUL Service Manual 4/5-5...
Page 265: Battery Replacement
3. Remove the loader arm cylinder locks located on the hydraulic auxiliary lines (Fig. 0868). Fig. 0869 DSC-0452a 5. Secure each loader arm cylinder lock with a clevis pin and hairpin cotter (Fig. 0870). Fig. 0868 DSC-0448a Fig. 0870 DSC-0456a 4/5-6 Toro Wheeled CUL Service Manual...
Page 266: Battery Installation
(Fig. 0874). 8. Remove the battery from the frame (Fig. 0872). Fig. 0874 DSC-0447a A. Negative battery cable C. Carriage bolt, washer, B. Positive battery cable wing nut Fig. 0872 DSC-0458a D. Battery clamp Toro Wheeled CUL Service Manual 4/5-7...
Page 267 (Fig. 0875). Fig. 0877 DSC-0448 8. Lower the loader arms. Fig. 0875 DSC-0456a 6. Remove the cylinder locks from the lift cylinder rods (Fig. 0876). Fig. 0876 DSC-0452a 4/5-8 Toro Wheeled CUL Service Manual...
Page 268: Electrical Schematic
CHAIN DRIVE/ELECTRICAL Electrical Schematic 22311 / 22317 VIOLET HOUR METER GREEN VIOLET VIOLET – BLACK AUX. VAVLE CLOSED WHEN IN DETENT GREEN WHITE GREEN Fig. 0878 3326-607 22311-22317 Toro Wheeled CUL Service Manual 4/5-9...
Page 269 CHAIN DRIVE/ELECTRICAL THIS PAGE INTENTIONALLY LEFT BLANK. 4/5-10 Toro Wheeled CUL Service Manual...
Page 270: 4-Paw Gas Drive System
7. Position jackstands under the front corners of the machine. Remove the floor jack (Fig. 0882). DSC-0100a Fig. 0879 5. Position jackstands under the rear 2 corners of the machine. Remove the floor jack (Fig. 0880). DSC-0920a Fig. 0882 DSC-0099a Fig. 0880 Toro Wheeled CUL Service Manual 5/1-1...
Page 271 (Fig. 0883). DSC-0834a Fig. 0885 DSC-0831a Fig. 0883 12. Remove the wheel from the wheel hub (Fig. 0886). 10. Remove the wheel from the wheel hub (Fig. 0884). DSC-0835a Fig. 0886 DSC-0832a Fig. 0884 5/1-2 Toro Wheeled CUL Service Manual...
Page 272 DSC-0838a Fig. 0887 14. Remove the hose cover (Fig. 0888). DSC-0921a Fig. 0889 16. Install a wheel hub puller (TOR4096) onto the front wheel hub (Fig. 0890). DSC-0839a Fig. 0888 DSC-0922a Fig. 0890 5/1-3 Toro Wheeled CUL Service Manual...
Page 273 18. Using a 1-1/2” socket, rotate the center puller bolt 20. Remove the patch lock nut from the wheel motor to break the hub free of the wheel motor shaft (Fig. shaft and discard (Fig. 0894). 0892). DSC-0926a Fig. 0894 DSC-0924a Fig. 0892 5/1-4 Toro Wheeled CUL Service Manual...
Page 274 25. Rotate the upper hydraulic line out and allow the 23. Using a 1-1/8” wrench, remove the upper hydraulic fluid to drain in the drain pan (Fig. 0898). line from the upper wheel motor fitting (Fig. 0896). DSC-0930a Fig. 0898 DSC-0928a Fig. 0896 Toro Wheeled CUL Service Manual 5/1-5...
Page 275 27. Allow the fluid to drain into the pan (Fig. 0900). 29. Cap the lines, fittings and ports to prevent debris from contaminating the system. 30. Support the wheel motor with a floor jack (Fig. 0902). DSC-0934a Fig. 0900 DSC-0942a Fig. 0902 5/1-6 Toro Wheeled CUL Service Manual...
Page 276: Front Wheel Motor Installation
(Fig. 0906). DSC-0947a Fig. 0904 33. To service the existing wheel motor, refer to “Parker / Ross Wheel Motor Service Manual” (Toro Form No. 492-4753). DSC-0950a Fig. 0906 Toro Wheeled CUL Service Manual...
Page 277 75 ± 8 ft-lbs. (102 ± 11 Nm) (Fig. 0908). 7. Using a 1-1/8” wrench, install the lower hydraulic line to the lower wheel motor fitting (Fig. 0910). DSC-0952a Fig. 0908 DSC-0954a Fig. 0910 5/1-8 Toro Wheeled CUL Service Manual...
Page 278 10. Start the machine. Operate the machine slowly in forward and reverse motion to purge the air from the hydraulic drive circuit. 11. Turn the machine off and remove the key. DSC-0963a Fig. 0912 5/1-9 Toro Wheeled CUL Service Manual...
Page 279 (22312 serial #240000201 and higher) for (Fig. 0915). retaining the wheel motors. DSC-0968a DSC-0965a Fig. 0916 Fig. 0914 14. Position the hose cover to the main frame (Fig. 0917). DSC-0966a Fig. 0915 DSC-0969a Fig. 0917 5/1-10 Toro Wheeled CUL Service Manual...
Page 280 18. Loosely install 5 lug nuts (tapered side in) (Fig. 0921). 16. Using a 1/2” socket, tighten the 4 bolts, securing the hose cover to the main frame (Fig. 0919). DSC-0974a Fig. 0921 DSC-0971a Fig. 0919 Toro Wheeled CUL Service Manual 5/1-11...
Page 281 20. Slide the rear wheel onto the wheel hub (Fig. 0923). (Fig. 0925). DSC-0976a Fig. 0923 DSC-0978a Fig. 0925 23. Check the hydraulic fluid level and add fluid if necessary. 24. Remove from jackstands and test operate unit. 5/1-12 Toro Wheeled CUL Service Manual...
Page 282: Rear Wheel Motor Replacement
7. Position jackstands under the front 2 corners of the machine. Remove the floor jack (Fig. 0929). DSC-0100a Fig. 0926 5. Position jackstands under the rear 2 corners of the machine. Remove the floor jack (Fig. 0927). DSC-3925a Fig. 0929 DSC-0099a Fig. 0927 5/1-13 Toro Wheeled CUL Service Manual...
Page 283 (Fig. 0930). DSC-0834a Fig. 0932 DSC-0831a Fig. 0930 12. Remove the wheel from the wheel hub (Fig. 0933). 10. Remove the wheel from the wheel hub (Fig. 0931). DSC-0835a Fig. 0933 DSC-0832a Fig. 0931 5/1-14 Toro Wheeled CUL Service Manual...
Page 284 DSC-0836a Fig. 0934 14. Remove the hose cover (Fig. 0935). DSC-0843a Fig. 0936 16. Install a wheel hub puller (TOR4096) onto the rear wheel hub (Fig. 0937). DSC-0839a Fig. 0935 DSC-0844a Fig. 0937 Toro Wheeled CUL Service Manual 5/1-15...
Page 285 18. Using a 1-1/2” socket, rotate the center puller bolt 20. Remove the patch lock nut from the wheel motor to break the hub free of the wheel motor shaft (Fig. shaft and discard (Fig. 0941). 0939). DSC-0848a Fig. 0941 DSC-0846a Fig. 0939 5/1-16 Toro Wheeled CUL Service Manual...
Page 286 25. Rotate the upper hydraulic line out and allow the fluid to drain in the drain pan (Fig. 0945). 23. Using a 1-1/8” wrench, remove the upper hydraulic line from the upper wheel motor fitting (Fig. 0943). DSC-0853a Fig. 0945 DSC-0851a Fig. 0943 Toro Wheeled CUL Service Manual 5/1-17...
Page 287 27. Allow the fluid to drain into the drain pan (Fig. 0947). 29. Cap the hydraulic lines and fittings to prevent debris from contaminating the system. 30. Support the wheel motor with a floor jack (Fig. 0949). DSC-0856a Fig. 0947 DSC-0859a Fig. 0949 5/1-18 Toro Wheeled CUL Service Manual...
Page 288 31. Using a 3/4” socket, remove the 4 bolts securing the 33. To service the existing wheel motor, refer to “Parker wheel motor to the main frame (Fig. 0950). / Ross Wheel Motor Service Manual” (Toro Form No. 492-4753). 34. If a new wheel motor is being installed, remove the 2 wheel motor fittings and transfer them to the new wheel motor (Fig.
Page 289: Rear Wheel Motor Installation
2. Raise the floor jack and position the wheel motor into the opening in the main frame so the mounting holes in the wheel motor align with the mounting holes in the mainframe (Fig. 0954). DSC-0874 Fig. 0956 DSC-0872 Fig. 0954 5/1-20 Toro Wheeled CUL Service Manual...
Page 290 7. Using a 1/1/8” wrench, install the lower hydraulic line hydraulic line to the bulkhead fitting in the main to the lower wheel motor fitting (Fig. 0958). frame (Fig. 0960). DSC-0878a Fig. 0958 DSC-0882a Fig. 0960 5/1-21 Toro Wheeled CUL Service Manual...
Page 291 0961), slide a new wheel hub onto the wheel motor shaft (Fig. 0962). DSC-0889a Fig. 0963 14. Position the hose cover to the mainframe (Fig. 0964). DSC-0885 Fig. 0961 DSC-0969a Fig. 0964 DSC-0887 Fig. 0962 5/1-22 Toro Wheeled CUL Service Manual...
Page 292 18. Loosely install 5 lug nuts (tapered side in) (Fig. 16. Using a 1/2” socket, tighten the 4 bolts securing the 0968). hose cover to the mainframe (Fig. 0966). DSC-0974a Fig. 0968 DSC-0971a Fig. 0966 5/1-23 Toro Wheeled CUL Service Manual...
Page 293 20. Slide the rear wheel onto the wheel hub (Fig. 0970). (Fig. 0972). DSC-0976a Fig. 0970 DSC-0978a Fig. 0972 23. Check the hydraulic fluid level and add fluid if necessary. 24. Remove from jackstands and test operate unit. 5/1-24 Toro Wheeled CUL Service Manual...
Page 294: 4-Paw Gas Hydraulics
4. Remove the loader arm cylinder locks located on the hydraulic auxiliary lines (Fig. 0973). Fig. 0974 DSC-0452a 6. Secure each loader arm cylinder lock with a clevis pin and hairpin cotter (Fig. 0975). Fig. 0973 DSC-0448a Fig. 0975 DSC-0456a Toro Wheeled CUL Service Manual 5/2-1...
Page 295 Fig. 0978 DSC-0100a 11. Position jackstands under the rear 2 corners of the Fig. 0976 DSC-0982a machine. Remove the floor jack (Fig. 0979). 9. Remove the hood (Fig. 0977). Fig. 0979 DSC-0099a Fig. 0977 DSC-0983a 5/2-2 Toro Wheeled CUL Service Manual...
Page 296 Fig. 0980 DSC-3924a 15. Remove the wheel from the wheel hub (Fig. 0983). 13. Position jackstands under the front corners of the machine. Remove the floor jack (Fig. 0981). Fig. 0983 DSC-0832a Fig. 0981 DSC-0920a Toro Wheeled CUL Service Manual 5/2-3...
Page 297 F from the bulkhead fitting (Fig. 0987). 18. Mark the hydraulic lines on the bulkhead with an F and an R (Fig. 0985). Fig. 0987 DSC-0989a Fig. 0985 DSC-0986a F: Front hydraulic line R: Rear hydraulic line 5/2-4 Toro Wheeled CUL Service Manual...
Page 298 23. Using a 1-1/8” offset wrench, remove the hydraulic the frame (Fig. 0991). line nut from the bottom fitting on the counterbalance valve (Fig. 0989). Fig. 0991 DSC-0998a Fig. 0989 DSC-0995a Toro Wheeled CUL Service Manual 5/2-5...
Page 299 (Fig. 0995). (Fig. 0993). Note: The 2 spool fittings do not get transferred. They come with the new counterbalance valve. Fig. 0993 DSC-1002a Fig. 0995 DSC-1004a 5/2-6 Toro Wheeled CUL Service Manual...
Page 300: Left Hand Counterbalance Valve Installation
(Fig. 0997). Fig. 0996 DSC-1065a A. Nut D. Counterbalance Valve B. Washer (2) E. Bolt C. Spacer Fig. 0997 DSC-1013a 3. Loosely install the top hydraulic hard line nut (Fig. 0998). Fig. 0998 DSC-1014a Toro Wheeled CUL Service Manual 5/2-7...
Page 301 Fig. 0999 DSC-1015a Fig. 1001 DSC-1024a 5. Install the mounting bolt and washer through the 7. Install a washer onto the mounting bolt (Fig. 1002). counterbalance valve (Fig. 1000). Fig. 1002 DSC-1025a Fig. 1000 DSC-1022a 5/2-8 Toro Wheeled CUL Service Manual...
Page 302 (Fig. 1004). 11. Using a 1-1/8” offset wrench, install the other end of the hydraulic hard line marked F to the counter- balance valve fitting (Fig. 1006). Fig. 1004 DSC-1028a Fig. 1006 DSC-1033a Toro Wheeled CUL Service Manual 5/2-9...
Page 303 18. Remove the unit from the jackstands. 19. Raise the loader arms; remove and re-stow the 15. Loosely install 5 lug nuts (tapered side in) (Fig. loader arm cylinder locks. 1008). 20. Test operate the machine. Fig. 1008 DSC-0977a 5/2-10 Toro Wheeled CUL Service Manual...
Page 304: Right Hand Counterbalance Valve Replacement
3. Remove the loader arm cylinder locks located on the hydraulic auxiliary lines (Fig. 1010). Fig. 1011 DSC-0452a 5. Secure each loader arm cylinder lock with a clevis pin and hairpin cotter (Fig. 1012). Fig. 1010 DSC-0448a Fig. 1012 DSC-0456a Toro Wheeled CUL Service Manual 5/2-11...
Page 305 Fig. 1015 DSC-0100a 10. Position jackstands under the rear 2 corners of the Fig. 1013 DSC-0982a machine. Remove the floor jack (Fig. 1016). 8. Remove the hood (Fig. 1014). Fig. 1016 DSC-0099a Fig. 1014 DSC-0983a 5/2-12 Toro Wheeled CUL Service Manual...
Page 306 Fig. 1017 DSC-3924a 14. Remove the wheel from the wheel hub (Fig. 1020). 12. Position jackstands under the front corners of the machine. Remove the floor jack (Fig. 1018). Fig. 1020 DSC-1037a Fig. 1018 DSC-0920a Toro Wheeled CUL Service Manual 5/2-13...
Page 307 16. Remove the battery hold-down and retainer (Fig. and nuts securing the battery tray to the frame. Remove the bolt securing the inside of the tray to the 1022). frame (Fig. 1024). Fig. 1022 DSC-1039a Fig. 1024 DSC-1042a 5/2-14 Toro Wheeled CUL Service Manual...
Page 308 F from the bulkhead fitting with and F and an R (Fig. 1026). (Fig. 1028). Fig. 1026 DSC-1044a Fig. 1028 DSC-1047a F: Front hydraulic line R: Rear hydraulic line Toro Wheeled CUL Service Manual 5/2-15...
Page 309 26. Using a 1-1/8” offset wrench, remove the hydraulic valve (Fig. 1032). line nut from the rear counterbalance valve fitting (Fig. 1030). Fig. 1032 DSC-1060a Fig. 1030 DSC-1053a 5/2-16 Toro Wheeled CUL Service Manual...
Page 310 Fig. 1035 DSC-1064a 30. Remove the washer from the counterbalance valve 32. Remove the mounting bolt, washer and spacer from mounting bolt (Fig. 1034). the counterbalance valve (Fig. 1036). Fig. 1034 DSC-1063a Fig. 1036 DSC-1003a Toro Wheeled CUL Service Manual 5/2-17...
Page 311: Right Hand Counterbalance Valve Installation
Counterbalance Valve Assembly (Fig. 1038). Fig. 1039 DSC-1070a 3. Loosely install the top hydraulic hard line nut (Fig. 1040). Fig. 1038 DSC-1010a A. Bolt D. Spacer B. Washer (2) E. Nut C. Counterbalance valve Fig. 1040 DSC-1072a 5/2-18 Toro Wheeled CUL Service Manual...
Page 312 5. Position the spacer in between the counterbalance the counterbalance valve mounting bolt (Fig. 1044). valve and the frame. Install the mounting bolt and washer through the counterbalance valve, spacer and frame (Fig. 1042). Fig. 1044 DSC-1079a Fig. 1042 DSC-1076a Toro Wheeled CUL Service Manual 5/2-19...
Page 313 11. Position the battery tray in the main frame (Fig. counterbalance valve and bulkhead fitting. Using a 1048). 1-1/8” offset wrench, install the hydraulic line nut to the bulkhead fitting (Fig. 1046). Fig. 1048 DSC-1043a Fig. 1046 DSC-1084a 5/2-20 Toro Wheeled CUL Service Manual...
Page 314 Fig. 1049 DSC-1087a 15. Connect the positive and then the negative battery 13. Position the battery in the battery tray (Fig. 1050). cable to the battery (Fig. 1052). Fig. 1050 DSC-1089a Fig. 1052 DSC-1038a Toro Wheeled CUL Service Manual 5/2-21...
Page 315 22. Raise the loader arms; remove and re-stow the loader arm cylinder locks. 23. Test operate the machine. 19. Loosely install 5 lug nuts (tapered side in) (Fig. 24. Check the hydraulic fluid and add fluid if necessary. 1054). Fig. 1054 DSC-1035a 5/2-22 Toro Wheeled CUL Service Manual...
Page 316: 4-Paw Gas Loader Arm
4. Using a 1/2” socket, remove the 3 bolts retaining the Loader Arm Replacement 3 pivot pins to the attach plate (Fig. 1058). Loader Arm Removal 1. Raise the loader arm 6” - 8” (15 - 20cm) away from frame and position attach plate flat (horizontally) (Fig. 1056). Fig. 1058 DSC-1383w 5. Remove the center pivot pin (Fig. 1059). DSC-1380a Fig. 1056 2. 4-Paw machines: Remove the hood. 3. Support the attach plate with a floor jack (Fig. 1057). DSC-1387w Fig. 1059 Fig. 1057 DSC-1382w Toro Wheeled CUL Service Manual 5/3-1...
Page 317 4-PAW GAS/LOADER ARM 6. Remove the RH and LH pivot pins (Fig. 1060 and 7. Remove the attach plate (Fig. 1062). Fig. 1061). DSC-1395w Fig. 1062 DSC-1392w Fig. 1060 8. Using a 1/2” socket, remove the bolt securing the upper tilt cylinder pivot pin to the tilt cylinder (Fig. 1063). DSC-1394w Fig. 1061 DSC-1398w Fig. 1063 5/3-2 Toro Wheeled CUL Service Manual...
Page 318 Fig. 1064 12. Place an oil pan underneath the couplers to catch 10. Lay the tilt cylinder alongside the unit (Fig. 1065). drainage. 13. Using a 1-1/8” wrench remove the hydraulic line to the male (M) flush face coupler (Fig. 1067). Note: Use a plug to protect the line from contami- nation. DSC-1402w Fig. 1065 DSC-1405a Fig. 1067 Toro Wheeled CUL Service Manual 5/3-3...
Page 319 4-PAW GAS/LOADER ARM 14. Using a 1-18” wrench remove the hydraulic line to 15. Using a 1-1/4” wrench and 1-5/16” wrench remove the female (F) flush face coupler (Fig. 1068). the nut from the male flush face coupler (Fig. 1069) and remove the male flush face coupler (Fig. 1070). Note: Use a plug to protect the line from contami- nation. Fig. 1069 DSC-1411a DSC-1406a Fig. 1068 Fig. 1070 DSC-1413a 5/3-4 Toro Wheeled CUL Service Manual...
Page 320 4-PAW GAS/LOADER ARM 16. Using a 1-5/16” wrench remove the nut from the 17. Remove the drain pan. female flush face coupler (Fig. 1071) and remove the female flush face coupler (Fig. 1072). 18. Using a properly rated strap or chain and hoist, support the cross-member of the loader arm (Fig. 1073). Fig. 1071 DSC-1414a Fig. 1073 DSC-1418a 19. Using a 1/2” socket remove the 2 bolts securing the lift cylinder pin to the loader arm and the loader arm pivot pin to the frame (2 per side, left side shown) (Fig. 1074). Fig. 1072 DSC-1415a DSC-1419a Fig. 1074 Toro Wheeled CUL Service Manual 5/3-5...
Page 321 4-PAW GAS/LOADER ARM 20. Remove the left and right lift cylinder pin from the 22. Remove the loader arm from the machine (Fig. loader arm (Fig. 1075). 1077). Fig. 1075 DSC-1422a Fig. 1077 DSC-1425a 21. Remove the left and right loader arm pivot pin from the frame (Fig. 1076). Fig. 1076 DSC-1424 5/3-6 Toro Wheeled CUL Service Manual...
Page 322: Loader Arm Installation
Loader Arm Installation place as necessary (Fig. 1080). 1. Inspect the loader arm and pivot pins for wear or damage. Replace as necessary (Fig. 1078). Fig. 1080 DSC-1458a Fig. 1078 DSC-1448a 4. Install the loader arm onto the unit, aligning the pivot points on the loader arm with the pivot points on the upper frame (Fig. 1081). 2. Inspect the hydraulic cylinder yolks for wear or damage. Replace as necessary (Fig. 1079). DSC-1459a Fig. 1081 Fig. 1079 DSC-1453 5/3-7 Toro Wheeled CUL Service Manual...
Page 323 4-PAW GAS/LOADER ARM 5. Install a pivot pin through the frame and loader arm 8. Repeat for the opposite side. pivot point (Fig. 1082). 9. Using a 1/2” socket, install 4 bolts to secure the pivot pins to the upper frame and lift cylinders on both sides of the machine. Torque the bolts to 19 ft-lbs. (26 Nm) (Fig. 1084 and Fig. 1085). Fig. 1082 DSC-1462a 6. Repeat for the opposite side. Fig. 1084 DSC-1466a 7. Install a pivot pin through the lift cylinder and loader arm pivot point (Fig. 1083). DSC-1467a Fig. 1085 Fig. 1083 DSC-1463a 5/3-8 Toro Wheeled CUL Service Manual...
Page 324 (Fig. 1086). 13. Position the male flush face coupler into the coupler bracket on the loader arm (Fig. 1088). Fig. 1086 DSC-1468 DSC-1471a Fig. 1088 12. Using a 1-5/16” wrench install the nut to the female flush face coupler (Fig. 1087). 14. Using a 1-1/4” wrench and 1-5/16” wrench install the nut to the male flush face coupler (Fig. 1089). DSC-1470a Fig. 1087 DSC-1474a Fig. 1089 5/3-9 Toro Wheeled CUL Service Manual...
Page 325 4-PAW GAS/LOADER ARM 15. Using a 1-1/8” wrench install the hydraulic line (F) to 17. With the fittings facing up toward the engine, position the female flush face coupler (Fig. 1090). the tilt cylinder in the center of the loader arm (Fig. 1092). DSC-1479a Fig. 1090 Fig. 1092 DSC-1482a 16. Using a 1-1/8” wrench install the hydraulic line (M) to 18. Install the upper pivot pin through the tilt cylinder the male flush face coupler (Fig. 1091). yoke and loader arm bracket (Fig. 1093). Fig. 1091 DSC-1481a Fig. 1093 DSC-1483a 5/3-10 Toro Wheeled CUL Service Manual...
Page 326 4-PAW GAS/LOADER ARM 19. Install a bolt to secure the pivot pin to the cylinder 21. Install the right and left side pivot pins into the pivot yoke. Torque the bolt to 19 ft-lbs. (26 Nm) (Fig. points (Fig. 1096). 1094). DSC-1489a Fig. 1096 Fig. 1094 DSC-1485a 22. Align the tilt cylinder ram with the attach plate center 20. Position the attach plate to the loader arm pivot pivot point. Install the center pivot pin securing the points (Fig. 1095). tilt cylinder to the attach plate (Fig. 1097). DSC-1487a DSC-1491a Fig. 1095 Fig. 1097 Toro Wheeled CUL Service Manual 5/3-11...
Page 327 4-PAW GAS/LOADER ARM 23. Using a 1/2” socket, install 3 bolts securing each 25. Remove the floor jack. of the pivot pins to the attach plate (2) and the tilt cylinder ram (1) (Fig. 1098). 26. 4-Paw machines: Install the hood. 27. Start the machine. Raise and lower the loader arm. 28. Check the hydraulic fluid level and add if necessary. 29. Grease the pivot points (using #2 general purpose luthium grease): Left side (Fig. 1100) DSC-1493a Fig. 1098 24. Torque the 3 pivot pin bolts to 19 ft-lbs. (26 Nm) (Fig. 1099). DSC-1497a Fig. 1100 DSC-1494a Fig. 1099 5/3-12 Toro Wheeled CUL Service Manual...
Page 328 4-PAW GAS/LOADER ARM Attach plate (Fig. 1101) DSC-1498a Fig. 1101 Right side (Fig. 1102) DSC-1499a Fig. 1102 Toro Wheeled CUL Service Manual 5/3-13...
Page 329 4-PAW GAS/LOADER ARM THIS PAGE INTENTIONALLY LEFT BLANK. 5/3-14 Toro Wheeled CUL Service Manual...
Page 330: 4-Paw Gas Engine
4. Remove the loader arm cylinder locks located on the hydraulic auxiliary lines (Fig. 1103). Fig. 1104 DSC-0452a 6. Secure each loader arm cylinder lock with a clevis pin and hairpin cotter (Fig. 1105). Fig. 1103 DSC-0448a Fig. 1105 DSC-0455a Toro Wheeled CUL Service Manual 5/4-1...
Page 331 10. Place one end of a hose on the drain valve and the other end in the drain pan (Fig. 1107). Fig. 1109 DSC-1369a A. Negative battery cable B. Positive battery cable Fig. 1107 DSC-1094a 5/4-2 Toro Wheeled CUL Service Manual...
Page 332 (Fig. 1113). 15. Using a 1/2” socket, remove the 4 exhaust manifold mounting nuts and lock washers (Fig. 1111 and Fig. 1112). Fig. 1113 DSC-1111a Fig. 1111 DSC-1109a Toro Wheeled CUL Service Manual 5/4-3...
Page 333 R from the rear hydraulic pump fitting (Fig. and R (Fig. 1115): 1117). Note: Use a plug to protect the line from contami- nation. Fig. 1115 DSC-1114a F: Front hydraulic line R: Rear hydraulic line Fig. 1117 DSC-1116a 5/4-4 Toro Wheeled CUL Service Manual...
Page 334 25. Slide the suction hose off the pump fitting (Fig. 1119). 1121). Note: Use a plug to protect the line from contami- Note: Use a plug to protect the line from contami- nation. nation. Fig. 1119 DSC-1119a Fig. 1121 DSC-1120a Toro Wheeled CUL Service Manual 5/4-5...
Page 335 27. Remove the throttle cable from the clamp and 29. Remove the choke cable from the clamp and unhook unhook the z-bend from the throttle linkage (Fig. the z-bend from the choke linkage (Fig. 1125). 1123). Fig. 1125 DSC-1133a Fig. 1123 DSC-1127a 5/4-6 Toro Wheeled CUL Service Manual...
Page 336 33. Using a 15mm socket, remove the bolt and star 31. Remove the red battery cable from the solenoid washer securing the ground wires to the engine terminal (Fig. 1127). block (Fig. 1129). Fig. 1127 DSC-1138a Fig. 1129 DSC-1142a Toro Wheeled CUL Service Manual 5/4-7...
Page 337 35. Unwind the hour meter wire from the spark plug wire 37. Using a 5/16” socket, loosen the hose clamp on the (Fig. 1131). air cleaner intake hose (Fig. 1133). Fig. 1133 DSC-1164a Fig. 1131 DSC-1162a 5/4-8 Toro Wheeled CUL Service Manual...
Page 338 41. Using a 1/2” socket, remove the 4 mounting bolts filter (Fig. 1135). securing the engine plate to the main frame. Discard the 4 mounting bolts (Fig. 1137). Fig. 1135 DSC-1167a Fig. 1137 DSC-1171a Toro Wheeled CUL Service Manual 5/4-9...
Page 339 45. Rotate the engine crankshaft until the 2 hydraulic operator stand (Fig. 1139). pump coupler set screws are accessible through the opening in the pump mount (Fig. 1141). Fig. 1139 DSC-1177a Fig. 1141 DSC-1181a 5/4-10 Toro Wheeled CUL Service Manual...
Page 340 47. Using a 5/8” socket, remove the 4 bolts securing the 49. Remove the key from the crankshaft keyway (Fig. pump mount to the engine (Fig. 1143). 1145). Fig. 1143 DSC-1187a Fig. 1145 DSC-1193a Toro Wheeled CUL Service Manual 5/4-11...
Page 341 (Fig. 1148). plate (Fig. 1146 and Fig. 1147). Fig. 1148 DSC-1203a Fig. 1146 DSC-1196a 52. Remove the dust cap from the oil drain valve (Fig. 1149). Fig. 1147 DSC-1197a Fig. 1149 DSC-1206a 5/4-12 Toro Wheeled CUL Service Manual...
Page 342: Engine Installation
54. For engine service, refer to the proper Kohler engine Fig. 1151 DSC-1213a service manual. 2. Use a 15/16” wrench to tighten the drain valve an additional 2-1/2 turns past finger tight (Fig. 1152). Fig. 1152 DSC-1214a Toro Wheeled CUL Service Manual 5/4-13...
Page 343 DSC-1220a Fig. 1153 DSC-1216a 4. Hook chains to the engine lift points (Fig. 1154). Attach a properly rated hoist to the chains. Raise the hoist to apply tension to the chains. Fig. 1154 DSC-1219a 5/4-14 Toro Wheeled CUL Service Manual...
Page 344 8. Install the key into the crankshaft keyway (Fig. Note: One of the bolts and nuts is installed from the 1159). bottom, the other 3 from the top (Fig. 1157). Fig. 1159 DSC-1236a Fig. 1157 DSC-1196a Toro Wheeled CUL Service Manual 5/4-15...
Page 345 12. Using a 1/4” 8-point socket, tighten the 2 hydraulic 1161). pump coupler set screws. Torque them to 100 ± 10 in-lbs. (11 ± 1 Nm) (Fig. 1163). Fig. 1161 DSC-1238a Fig. 1163 DSC-1243a 5/4-16 Toro Wheeled CUL Service Manual...
Page 346 15. Slide the engine into position in the main frame so the engine mount plate mounting holes align with the mounting holes in the main frame (Fig. 1165). Fig. 1167 DSC-1256a Fig. 1165 DSC-1250a Toro Wheeled CUL Service Manual 5/4-17...
Page 347 (Fig. 1169). 21. Position the hose clamp and use a 5/16” socket to tighten the hose clamp securing the air cleaner intake hose to the adapter (Fig. 1171). Fig. 1169 DSC-1312a Fig. 1171 DSC-1315a 5/4-18 Toro Wheeled CUL Service Manual...
Page 348 25. Install the star washer, negative battery cable, and 23. Wind the hour meter wire around the spark plug wire wire harness ground cable onto the ground bolt (Fig. (Fig. 1173). 1175). Fig. 1173 DSC-1320a Fig. 1175 DSC-1324a Toro Wheeled CUL Service Manual 5/4-19...
Page 349 Fig. 1178 DSC-1333 Fig. 1176 DSC-1430a 29. Using a 13mm socket, install the nut to the starter solenoid (Fig. 1179). 27. Open the 2 fuel shut-offs (Fig. 1177). Fig. 1179 DSC-1337a Fig. 1177 DSC-1330 5/4-20 Toro Wheeled CUL Service Manual...
Page 350 31. Install the choke cable z-bend into the choke linkage 33. Position the choke lever in the open position. Push (Fig. 1181). the choke cable toward the linkage (Fig. 1183). Fig. 1181 DSC-1339a Fig. 1183 DSC-4467a Toro Wheeled CUL Service Manual 5/4-21...
Page 351 35. Install the throttle cable z-bend into the throttle 37. Position the throttle lever in the slow position. Push linkage clamp (Fig. 1185). the throttle cable toward the linkage (Fig. 1187). Fig. 1187 DSC-1343a Fig. 1185 DSC-1342a 5/4-22 Toro Wheeled CUL Service Manual...
Page 352 39. Install 2 new manifold gaskets, placing the flat side 41. Loosely install 2 bolts securing the muffler bracket to of the gasket against the engine (Fig. 1189). the engine (Fig. 1191). Fig. 1189 DSC-1346a Fig. 1191 DSC-1349a Toro Wheeled CUL Service Manual 5/4-23...
Page 353 (Fig. 1195). to the engine to 200 ± 25 in-lbs. (23 ± 3 Nm) (Fig. 1193). Fig. 1195 DSC-1360a Fig. 1193 DSC-1357a 5/4-24 Toro Wheeled CUL Service Manual...
Page 354 Fig. 1198 DSC-1364a hose to the front pump fitting (Fig. 1197). 49. Use a 15/16” wrench to tighten the hydraulic line nut to the fitting (Fig. 1199). Fig. 1197 DSC-1363a Fig. 1199 DSC-1365a Toro Wheeled CUL Service Manual 5/4-25...
Page 355 Fig. 1202 DSC-1369a A. Negative battery cable B. Positive battery cable 51. Use a 15/16” wrench to tighten the hydraulic line nut to the fitting (Fig. 1201). 53. Remove the absorbent towels. Fig. 1201 DSC-1368a 5/4-26 Toro Wheeled CUL Service Manual...
Page 356 Replace the filler cap and dipstick. fig. 8 G005158 Fig. 1204 A. Filler neck cap B. Dipstick fig. 7 G005157 Fig. 1203 A. Oil dipstick C. Valve cover B. Filler cap D. Metal end Toro Wheeled CUL Service Manual 5/4-27...
Page 357 63. Test operate machine and operate all hydraulics to purge air from the system. Check for leaks. 64. Turn the engine off. Fig. 1205 DSC-0455a 60. Remove the loader arm cylinder locks from the cylinder rods (Fig. 1206). Fig. 1206 DSC-0452a 5/4-28 Toro Wheeled CUL Service Manual...
Page 358: 4-Paw Gas Electrical
Verify that there is NO continuity between the terminals in the OFF switch position (Fig. 1209). Fig. 1208 DSC-1370 Fig. 1209 IMG-0557a Position Condition No continuity B + R + I + A START B + R + I + S Toro Wheeled CUL Service Manual 5/5-1...
Page 359: Relay
The relays are located on the right hand side, bolted Fig. 1211 IMG-0559a to the inside of the lower frame assembly, next to the engine (Fig. 1210). Fig. 1210 DSC-1374a A. Start Relay B. Kill Relay 5/5-2 Toro Wheeled CUL Service Manual...
Page 360: Testing
30 C. 10 amp fuse = Accessories & Safety Circuit and 87a as 12 VDC is applied and removed from the terminal (Fig. 1212). 5. Disconnect voltage and multimeter leads from relay terminals. Toro Wheeled CUL Service Manual 5/5-3...
Page 361: How It Works
2. Set the VOM multimeter to the ohms setting. Connect the leads to the two wire terminals. Move the hydraulic 4-spool valve lever to either the forward or reverse position. There should be NO continuity. 5/5-4 Toro Wheeled CUL Service Manual...
Page 362: Auxiliary Neutral Switch
IMG-0547a Location The neutral switch is threaded into the lower portion of the hydraulic auxiliary valve. This valve is located on the right side of the upper frame assembly (Fig. 1217). Fig. 1217 DSC-1379a Toro Wheeled CUL Service Manual 5/5-5...
Page 363: Hour Meter/Tachometer
Prior to replacing the hour meter, do a continuity check on the wire that is wrapped around the spark plug wire to the hour meter. If you have continuity, replace the hour meter. Fig. 1218 DSC-1372 5/5-6 Toro Wheeled CUL Service Manual...
Page 364: Electrical Schematics
4-PAW GAS/ELECTRICAL Electrical Schematics 22318 - 2010, 2009, 2008, 2007 Fig. 1220 3364-803 22318-2010 Toro Wheeled CUL Service Manual 5/5-7...
Page 365 4-PAW GAS/ELECTRICAL 22318 - 2006, 2005 22312 - 2005, 2004, 2003 Fig. 1221 3351-682 22318-2006 5/5-8 Toro Wheeled CUL Service Manual...
Page 366 4-PAW GAS/ELECTRICAL 22312 - 2004, 2003 22305 - 2002, 2001 Fig. 1222 3325-579 22312-2004 Toro Wheeled CUL Service Manual 5/5-9...
Page 367 4-PAW GAS/ELECTRICAL 22305 - 2000, 1999 Fig. 1223 3322-896 22305-2000 5/5-10 Toro Wheeled CUL Service Manual...
Page 368: 4-Paw Diesel Drive System
7. Position jackstands under the front corners of the machine. Remove the floor jack (Fig. 1227). DSC-0100a Fig. 1224 5. Position jackstands under the rear 2 corners of the machine. Remove the floor jack (Fig. 1225). DSC-0920a Fig. 1227 DSC-0099a Fig. 1225 Toro Wheeled CUL Service Manual 6/1-1...
Page 369 (Fig. 1228). DSC-0834a Fig. 1230 DSC-0831a Fig. 1228 12. Remove the wheel from the wheel hub (Fig. 1231). 10. Remove the wheel from the wheel hub (Fig. 1229). DSC-0835a Fig. 1231 DSC-0832a Fig. 1229 6/1-2 Toro Wheeled CUL Service Manual...
Page 370 DSC-0838a Fig. 1232 14. Remove the hose cover (Fig. 1233). DSC-0921a Fig. 1234 16. Install a wheel hub puller (TOR4096) onto the front wheel hub (Fig. 1235). DSC-0839a Fig. 1233 DSC-0922a Fig. 1235 6/1-3 Toro Wheeled CUL Service Manual...
Page 371 18. Using a 1-1/2” socket, rotate the center puller bolt 20. Remove the patch lock nut from the wheel motor to break the hub free of the wheel motor shaft (Fig. shaft and discard (Fig. 1239). 1237). DSC-0926a Fig. 1239 DSC-0924a Fig. 1237 6/1-4 Toro Wheeled CUL Service Manual...
Page 372 25. Rotate the upper hydraulic line out and allow the 23. Using a 1-1/8” wrench, remove the upper hydraulic fluid to drain in the drain pan (Fig. 1243). line from the upper wheel motor fitting (Fig. 1241). DSC-0930a Fig. 1243 DSC-0928a Fig. 1241 6/1-5 Toro Wheeled CUL Service Manual...
Page 373 27. Allow the fluid to drain into the pan (Fig. 1245). 29. Cap the lines, fittings and ports to prevent debris from contaminating the system. 30. Support the wheel motor with a floor jack (Fig. 1247). DSC-0934a Fig. 1245 DSC-0942a Fig. 1247 6/1-6 Toro Wheeled CUL Service Manual...
Page 374: Front Wheel Motor Installation
(Fig. 1251). DSC-0947a Fig. 1249 33. To service the existing wheel motor, refer to “Parker / Ross Wheel Motor Service Manual” (Toro Form No. 492-4753). DSC-0950a Fig. 1251 Toro Wheeled CUL Service Manual...
Page 375 75 ± 8 ft-lbs. (102 ± 11 Nm) (Fig. 1253). 7. Using a 1-1/8” wrench, install the lower hydraulic line to the lower wheel motor fitting (Fig. 1255). DSC-0952a Fig. 1253 DSC-0954a Fig. 1255 6/1-8 Toro Wheeled CUL Service Manual...
Page 376 10. Start the machine. Allow the air to purge from the hydraulic system. Check the wheel motor, hydraulic lines and fittings for leaks. 11. Turn the machine off and remove the key. DSC-0963a Fig. 1257 6/1-9 Toro Wheeled CUL Service Manual...
Page 377 (22312 serial #240000201 and higher) for (Fig. 1260). retaining the wheel motors. DSC-0968a DSC-0965a Fig. 1261 Fig. 1259 14. Position the hose cover to the main frame (Fig. 1262). DSC-0966a Fig. 1260 DSC-0969a Fig. 1262 6/1-10 Toro Wheeled CUL Service Manual...
Page 378 18. Loosely install 5 lug nuts (tapered side in) (Fig. 1266). 16. Using a 1/2” socket, tighten the 4 bolts, securing the hose cover to the main frame (Fig. 1264). DSC-0974a Fig. 1266 DSC-0971a Fig. 1264 Toro Wheeled CUL Service Manual 6/1-11...
Page 379 20. Slide the rear wheel onto the wheel hub (Fig. 1268). (Fig. 1270). DSC-0976a Fig. 1268 DSC-0978a Fig. 1270 23. Check the hydraulic fluid level and add fluid if necessary. 24. Remove from jackstands and test operate unit. 6/1-12 Toro Wheeled CUL Service Manual...
Page 380: Rear Wheel Motor Replacement
7. Position jackstands under the front 2 corners of the machine. Remove the floor jack (Fig. 1274). DSC-0100a Fig. 1271 5. Position jackstands under the rear 2 corners of the machine. Remove the floor jack (Fig. 1272). DSC-3925a Fig. 1274 DSC-0099a Fig. 1272 6/1-13 Toro Wheeled CUL Service Manual...
Page 381 (Fig. 1275). DSC-0834a Fig. 1277 DSC-0831a Fig. 1275 12. Remove the wheel from the wheel hub (Fig. 1278). 10. Remove the wheel from the wheel hub (Fig. 1276). DSC-0835a Fig. 1278 DSC-0832a Fig. 1276 6/1-14 Toro Wheeled CUL Service Manual...
Page 382 DSC-0836a Fig. 1279 14. Remove the hose cover (Fig. 1280). DSC-0843a Fig. 1281 16. Install a wheel hub puller (TOR4096) onto the rear wheel hub (Fig. 1282). DSC-0839a Fig. 1280 DSC-0844a Fig. 1282 6/1-15 Toro Wheeled CUL Service Manual...
Page 383 18. Using a 1-1/2” socket, rotate the center puller bolt 20. Remove the patch lock nut from the wheel motor to break the hub free of the wheel motor shaft (Fig. shaft and discard (Fig. 1286). 1284). DSC-0848a Fig. 1286 DSC-0846a Fig. 1284 6/1-16 Toro Wheeled CUL Service Manual...
Page 384 25. Rotate the upper hydraulic line out and allow the 23. Using a 1-1/8” wrench, remove the upper hydraulic fluid to drain in the drain pan (Fig. 1290). line from the upper wheel motor fitting (Fig. 1288). DSC-0853a Fig. 1290 DSC-0851a Fig. 1288 Toro Wheeled CUL Service Manual 6/1-17...
Page 385 27. Allow the fluid to drain into the drain pan (Fig. 1292). 29. Cap the hydraulic lines and fittings to prevent debris from contaminating the system. 30. Support the wheel motor with a floor jack (Fig. 1294). DSC-0856a Fig. 1292 DSC-0859a Fig. 1294 6/1-18 Toro Wheeled CUL Service Manual...
Page 386 31. Using a 3/4” socket, remove the 4 bolts securing the 33. To service the existing wheel motor, refer to “Parker wheel motor to the main frame (Fig. 1295). / Ross Wheel Motor Service Manual” (Toro Form No. 492-4753). 34. If a new wheel motor is being installed, remove the 2 wheel motor fittings and transfer them to the new wheel motor (Fig.
Page 387: Rear Wheel Motor Installation
2. Raise the floor jack and position the wheel motor into the opening in the main frame so the mounting holes in the wheel motor align with the mounting holes in the mainframe (Fig. 1299). DSC-0874 Fig. 1301 DSC-0872 Fig. 1299 6/1-20 Toro Wheeled CUL Service Manual...
Page 388 7. Using a 1/1/8” wrench, install the lower hydraulic line hydraulic line to the bulkhead fitting in the main to the lower wheel motor fitting (Fig. 1303). frame (Fig. 1305). DSC-0878a Fig. 1303 DSC-0882a Fig. 1305 6/1-21 Toro Wheeled CUL Service Manual...
Page 389 1306), slide a new wheel hub onto the wheel motor shaft (Fig. 1307). DSC-0889a Fig. 1308 14. Position the hose cover to the mainframe (Fig. 1309). DSC-0885 Fig. 1306 DSC-0969a Fig. 1309 DSC-0887 Fig. 1307 6/1-22 Toro Wheeled CUL Service Manual...
Page 390 18. Loosely install 5 lug nuts (tapered side in) (Fig. 16. Using a 1/2” socket, tighten the 4 bolts securing the 1313). hose cover to the mainframe (Fig. 1311). DSC-0974a Fig. 1313 DSC-0971a Fig. 1311 6/1-23 Toro Wheeled CUL Service Manual...
Page 391 20. Slide the rear wheel onto the wheel hub (Fig. 1315). (Fig. 1317). DSC-0976a Fig. 1315 DSC-0978a Fig. 1317 23. Check the hydraulic fluid level and add fluid if necessary. 24. Remove from jackstands and test operate unit. 6/1-24 Toro Wheeled CUL Service Manual...
Page 392: 4-Paw Diesel Hydraulics
Remove the air cleaner hose from the engine (Fig. 1318). Fig. 1319 DSC-3051a 6. Remove the air cleaner assembly from the machine (Fig. 1320). Fig. 1318 DSC-3050a Fig. 1320 DSC-3052a Toro Wheeled CUL Service Manual 6/2-1...
Page 393 8. Mark the wiring plugs and indicator lights to aid 10. Remove the 2 bolts and nuts securing the throttle reassembly (Fig. 1322). Remove the lamp mount control assembly (Fig. 1324). from the upper frame assembly. Fig. 1324 DSC-3059a Fig. 1322 DSC-3055a 6/2-2 Toro Wheeled CUL Service Manual...
Page 394 12. Remove the metal hydraulic test port line from the fitting located on the left side of the 4-spool valve 14. Remove the two hydraulic lift cylinder lines from the (Fig. 1326). 4-spool valve (Fig. 1328). Fig. 1326 DSC-3064a Fig. 1328 DSC-3068a Toro Wheeled CUL Service Manual 6/2-3...
Page 395 16. Loosen the auxiliary return hydraulic line nut from 18. Remove the hydraulic line from the machine (Fig. the fitting located on the right side of the auxiliary 1332). valve (Fig. 1330). Fig. 1332 DSC-3083a Fig. 1330 DSC-3077a 6/2-4 Toro Wheeled CUL Service Manual...
Page 396 20. Remove the 2 tilt cylinder hydraulic lines from the 22. Remove the 2 hydraulic lines coming from the left fittings on the 4-spool valve (Fig. 1334). side counterbalance valve (Fig. 1336). Fig. 1336 DSC-3097a Fig. 1334 DSC-3088a Toro Wheeled CUL Service Manual 6/2-5...
Page 397 24. Remove the top bolt, washer and spacer securing 26. Carefully lower the 4-spool valve onto the top of the the 4-spool valve to the frame (Fig. 1338). engine (Fig. 1340). Fig. 1338 DSC-3102a Fig. 1340 DSC-3109a 6/2-6 Toro Wheeled CUL Service Manual...
Page 398 Fig. 1341 DSC-3110a Note: Place protective caps and plugs on the valve fittings and hydraulic lines to protect them from any contamination. 28. Unplug the two neutral safety switch plugs (Fig. 1342). Fig. 1342 DSC-3123a Toro Wheeled CUL Service Manual 6/2-7...
Page 399: 4-Spool Valve Installation
E. Auxiliary Valve Line L. Neural Safety Switch (2) 2. Plug the two neutral safety switch plugs into the F. Tilt Cylinder Line harness (Fig. 1346). G. Right Side Counter- balance Valve Fig. 1346 DSC-3140a 6/2-8 Toro Wheeled CUL Service Manual...
Page 400 Install a nut onto each of panel. Install a nut onto the bolt to secure (Fig. the bolts to secure (Fig. 1350). 1348). Fig. 1350 DSC-3144a Fig. 1348 DSC-3142a Toro Wheeled CUL Service Manual 6/2-9...
Page 401 10. Tighten the auxiliary valve hydraulic line nuts to the valve. auxiliary valve fitting and the 4-spool valve fitting Note: The top line and fitting were previously (Fig. 1354). marked (Fig. 1352). Fig. 1354 DSC-3147a Fig. 1352 DSC-3088a 6/2-10 Toro Wheeled CUL Service Manual...
Page 402 14. Install the hydraulic test port line to the 90 degree 4-spool valve (Fig. 1356). fitting located on the left hand end of the 4-spool valve (Fig. 1358). Fig. 1356 DSC-3148a Fig. 1358 DSC-3150a Toro Wheeled CUL Service Manual 6/2-11...
Page 403 16. Install two bolts and nuts to secure the throttle 18. Install a jam nut on each lever to secure the lever to control lever assembly to the control panel (Fig. the 4-spool valve (Fig. 1362). 1360). Fig. 1362 DSC-3151a Fig. 1360 DSC-3059a 6/2-12 Toro Wheeled CUL Service Manual...
Page 404 22. Install two bolts and nuts securing the air cleaner panel. Install 3 bolts and nuts to secure the lamp mount to the control panel (Fig. 1364). assembly to the mounting bracket (Fig. 1366). Fig. 1366 DSC-3051a Fig. 1364 DSC-3053a Toro Wheeled CUL Service Manual 6/2-13...
Page 405: Hydraulic Auxiliary, Selector & Flow Divider Valves
Check the hydraulic lines and fittings for leaks. 25. Turn the machine off and remove the key. 26. Add hydraulic fluid if necessary. 27. Close the engine rear cover and latch. Fig. 1368 DSC-2961a 6/2-14 Toro Wheeled CUL Service Manual...
Page 406 3. Mark the two hydraulic lines and fittings on the 5. Remove the hydraulic line nut from the fitting located on top of the flow divider valve (Fig. 1372). auxiliary valve (D & E) (Fig. 1370). Fig. 1372 DSC-2969a Fig. 1370 DSC-2965a Toro Wheeled CUL Service Manual 6/2-15...
Page 407 7. Remove the two hydraulic auxiliary valve lines 9. Place plugs and caps on the hydraulic lines and marked ‘D’ & ‘E’ (Fig. 1374). fittings to protect the system from contamination (Fig. 1376). Fig. 1374 DSC-2973a Fig. 1376 DSC-2976a 6/2-16 Toro Wheeled CUL Service Manual...
Page 408 11. Remove the 6 bolts, spacers, washers, and nuts securing the valves to the upper frame assembly between the auxiliary and the selector valves (F) (Fig. 1378). (Fig. 1380). Fig. 1378 DSC-2977a Fig. 1380 DSC-2988a Toro Wheeled CUL Service Manual 6/2-17...
Page 409 17. Loosen the jam nut on the t-fitting between the 15. Loosen the jam nut on the flow divider valve fitting selector and auxiliary valves (Fig. 1384). (Fig. 1382). Fig. 1384 DSC-2994a Fig. 1382 DSC-2992a 6/2-18 Toro Wheeled CUL Service Manual...
Page 410 Note: For auxiliary valve rebuild instructions, refer 19. Valve assembly separated (Fig. 1386): to “99-3077 Auxiliary Valve Rebuild” on page 3/1-67. Fig. 1386 DSC-2999a A. Auxiliary Valve C. Flow Divider Valve B. Selector Valve Toro Wheeled CUL Service Manual 6/2-19...
Page 411: Hydraulic Auxiliary, Selector & Flow Divider Valves Installation
DSC-3006a valve assembly to the upper frame (Fig. 1391). 2. Install the selector valve to the t-fitting on the auxiliary valve, leave the jam nut loose (Fig. 1389). Fig. 1391 DSC-3009a Fig. 1389 DSC-3000a 6/2-20 Toro Wheeled CUL Service Manual...
Page 412 Fig. 1392 DSC-3010a Fig. 1394 DSC-3017a 6. Install and tighten the remaining 5 bolts, spacers, washers, and 6 nuts through the valves and the upper frame assembly (Fig. 1393). Fig. 1395 DSC-3019a Fig. 1393 DSC-3928a Toro Wheeled CUL Service Manual 6/2-21...
Page 413 9. Install the two hydraulic lines (D & E) from the 11. Route the hydraulic line (F) between the two tilt bulkhead coupler assemblies to the auxiliary valve cylinder hydraulic lines (Fig. 1399). (Fig. 1397). Fig. 1399 DSC-3025a Fig. 1397 DSC-3020a 6/2-22 Toro Wheeled CUL Service Manual...
Page 414 13. Install the hydraulic line nut to the fitting on top of the flow divider valve (Fig. 1401). 15. Connect the auxiliary safety switch plug (located under the auxiliary valve) to the wire harness plug (Fig. 1403). Fig. 1401 DSC-3036a Fig. 1403 DSC-3043a Toro Wheeled CUL Service Manual 6/2-23...
Page 415: Hydraulic Lift Cylinder Replacement (Old Style)
18. Allow the machine to run and purge air from the system. 19. Turn the machine off and remove the key. 20. Check the hydraulic fluid level and add as neces- sary. Fig. 1405 IMG-0088a 6/2-24 Toro Wheeled CUL Service Manual...
Page 416 IMG-0090a Fig. 1408 IMG-0092a 3. Remove the hydraulic hose from the upper cylinder fitting (Fig. 1407). 5. Remove the hydraulic hose from the lower cylinder fitting (Fig. 1409). Fig. 1407 IMG-0091a Fig. 1409 IMG-0093a Toro Wheeled CUL Service Manual 6/2-25...
Page 417 9. Remove the shoulder bolt securing the lower pivot 7. Remove the shoulder bolt securing the upper pivot pin to the barrel end of the cylinder (Fig. 1413). pin to the cylinder ram (Fig. 1411). Fig. 1413 IMG-0097a Fig. 1411 IMG-0095a 6/2-26 Toro Wheeled CUL Service Manual...
Page 418 11. Remove the lift cylinder from the machine (Fig. Hydraulic Cylinder Rebuild” (Old Style) for 2004 and 1415). older units on page 3/1-17 or “105-7867 Hydraulic Cylinder Rebuild” (New Style) for 2005 and newer units on page 3/1-40. Fig. 1415 IMG-0099a Toro Wheeled CUL Service Manual 6/2-27...
Page 419: Hydraulic Lift Cylinder Installation
(17 – 19 Nm) (Fig. 1420). ram end facing up, aligning the pivot points on the cylinder with the pivot points on the frame and loader arm (Fig. 1418). Fig. 1420 IMG-0106a Fig. 1418 IMG-0105a 6/2-28 Toro Wheeled CUL Service Manual...
Page 420 9. Start the machine and raise the lift arm. Remove the cylinder lock. 10. Purge the system and check for leaks. Fig. 1422 IMG-0096a 11. Turn the machine off and remove the key. 12. Check the hydraulic oil and add as necessary. Toro Wheeled CUL Service Manual 6/2-29...
Page 421: Hydraulic Tilt Cylinder Replacement (Old Style)
DSC-3929a Fig. 1426 IMG-0113a A. New style tilt cylinder B. Old style tilet cylinder 3. Support the attach plate. Remove the pivot pin from the tilt cylinder/attach plate pivot (Fig. 1427). Fig. 1427 IMG-0115a 6/2-30 Toro Wheeled CUL Service Manual...
Page 422 8. Install plugs in the hoses and fittings to prevent contamination and oil leakage. 9. Remove the shoulder bolt securing the upper pivot pin to the barrel end of the tilt cylinder (Fig. 1431). Fig. 1429 IMG-0120a Fig. 1431 IMG-0123a Toro Wheeled CUL Service Manual 6/2-31...
Page 423: Hydraulic Tilt Cylinder Installation
12. To service the tilt cylinder, refer to “100-4163 Hydraulic Cylinder Rebuild” (Old Style) for 2004 and Fig. 1435 IMG-0130a older units on page 3/1-17 or “105-7867 Hydraulic Cylinder Rebuild” (New Style) for 2005 and newer units on page 3/1-40. 6/2-32 Toro Wheeled CUL Service Manual...
Page 424 Torque the shoulder bolt to 150 (Fig. 1437). to 170 in-lbs. (17 to 19 Nm) (Fig. 1439). Note: Use double wrenches to prevent the hose from twisting. Fig. 1439 IMG-0136a Fig. 1437 IMG-0133a Toro Wheeled CUL Service Manual 6/2-33...
Page 425 10. Check the hydraulic fluid level and add as Fig. 1441 IMG-0139a necessary. 11. Start the machine and check for leaks. 12. Purge air form the system. 13. Check the hydraulic fluid level again and add as necessary. 6/2-34 Toro Wheeled CUL Service Manual...
Page 426: Left Hand Counterbalance Valve Replacement
5. Mark the hydraulic lines on the counterbalance valve F and R (Fig. 1447). Fig. 1444 DSC-1604a 3. Remove the fan assembly (Fig. 1445). Fig. 1447 DSC-1787a F: Front hydraulic line R: Rear hydraulic line Fig. 1445 DSC-1606a Toro Wheeled CUL Service Manual 6/2-35...
Page 427 R from the bulkhead fitting (Fig. 8. Using a 1-1/8” offset wrench, remove the hydraulic line nut from the front, top counterbalance valve 1451). fitting (Fig. 1449). Fig. 1451 DSC-1796a Fig. 1449 DSC-1791a 6/2-36 Toro Wheeled CUL Service Manual...
Page 428 15. Using a 1-1/8” wrench, remove the hydraulic line nut from the top counterbalance valve fitting (Fig. 1455). hand counterbalance valve line nut from the lower fitting on the 4-spool valve (Fig. 1453). Fig. 1455 DSC-1827a Fig. 1453 DSC-1815a Toro Wheeled CUL Service Manual 6/2-37...
Page 429 (Fig. 1457). Left Hand Counterbalance Valve Assembly (Fig. 1459). Fig. 1457 DSC-1829a Fig. 1459 DSC-1839a A. Bolt D. Spacer B. Washer (2) E. Nut C. Counterbalance valve 6/2-38 Toro Wheeled CUL Service Manual...
Page 430: Left Hand Counterbalance Valve Installation
2. Position the counterbalance valve into the frame. Align the other end of the snug-fit hydraulic line to the 4-spool valve fitting. Loosely install the hydraulic line nut to the 4-spool valve fitting (Fig. 1461). Fig. 1463 DSC-1852a Fig. 1461 DSC-1847a Toro Wheeled CUL Service Manual 6/2-39...
Page 431 DSC-1855a Fig. 1466 DSC-1832a 6. Install a washer and spacer onto the counterbalance valve mounting bolt (Fig. 1465). 8. Install a washer onto the mounting bolt (Fig. 1467). Fig. 1465 DSC-1858a Fig. 1467 DSC-1861a 6/2-40 Toro Wheeled CUL Service Manual...
Page 432 F (front, top) and loosely install the nut to the fitting (Fig. 1469). 12. Using a 1-1/8” crowfoot wrench, tighten the hydraulic line nut to the 4-spool valve fitting (Fig. 1471). Fig. 1469 DSC-1870a Fig. 1471 DSC-1815a Toro Wheeled CUL Service Manual 6/2-41...
Page 433 19. Start the machine. Allow the air to purge from the hydraulic system. Check the hydraulic lines and fittings for leaks. 20. Turn the machine off and remove the key. 21. Check the hydraulic fluid level. Add if necessary. 6/2-42 Toro Wheeled CUL Service Manual...
Page 434: Right Hand Counterbalance Valve Replacement
(Fig. 1475). Fig. 1476 DSC-1606a 4. Mark the rear wheel motor hydraulic line nut and fitting at the counterbalance valve with an F (Fig. 1477). Fig. 1475 DSC-1604a Fig. 1477 DSC-1895a Toro Wheeled CUL Service Manual 6/2-43...
Page 435 F (Fig. 1481). 7. Mark the hydraulic lines on the bulkhead F and R (Fig. 1479). Fig. 1481 DSC-1902a Fig. 1479 DSC-1881a F: Front hydraulic line R: Rear hydraulic line 6/2-44 Toro Wheeled CUL Service Manual...
Page 436 13. Using a 7/16” socket and wrench, remove the balance valve hydraulic line nut from the 4-spool counterbalance valve mounting bolt, washers, valve fitting (Fig. 1483). spacer and nut (Fig. 1485). Fig. 1483 DSC-1905a Fig. 1485 DSC-1911a Toro Wheeled CUL Service Manual 6/2-45...
Page 437 17. Remove the counterbalance valve from the chassis valve fitting. Use a 1-1/8” wrench to remove the rear (Fig. 1489). wheel motor hydraulic line nut from the counter- balance valve fitting (Fig. 1487). Fig. 1489 DSC-1922a Fig. 1487 DSC-1916a 6/2-46 Toro Wheeled CUL Service Manual...
Page 438: Right Hand Counterbalance Valve Installation
R) to the lower fitting located on the front of the counterbalance valve. Loosely install the hydraulic line nut to the fitting (Fig. 1493). Fig. 1491 DSC-1925a A. Bolt D. Spacer B. Washer (2) E. Nut C. Counterbalance valve Fig. 1493 DSC-1930a Toro Wheeled CUL Service Manual 6/2-47...
Page 439 On the bottom of the counterbalance valve (the nut to the rear bulkhead fitting (marked with an R) line coming from the 4-spool valve) (Fig. 1497) (Fig. 1495). Fig. 1497 DSC-1939a Fig. 1495 DSC-1934a 6/2-48 Toro Wheeled CUL Service Manual...
Page 440 (Fig. 1501). nut to the lower fitting located on the front surface of the counterbalance valve (the line coming from the front wheel motor) (Fig. 1499). Fig. 1501 DSC-1949a Fig. 1499 DSC-1946a Toro Wheeled CUL Service Manual 6/2-49...
Page 441 11. Install a washer onto the mounting bolt (Fig. 1503). located on the front surface of the counterbalance valve (Fig. 1505). Fig. 1503 DSC-1954a Fig. 1505 DSC-1968a 6/2-50 Toro Wheeled CUL Service Manual...
Page 442 4-spool valve fitting (Fig. 15. Using a 1-1/8” wrench, tighten the front and rear hydraulic line nuts to the bulkhead fittings (Fig. 1509). 1507). Fig. 1509 DSC-1903a Fig. 1507 DSC-1883a Toro Wheeled CUL Service Manual 6/2-51...
Page 443 20. Using a 7/16” socket, install 4 bolts and lock wash- ers securing the fan to the fan adapter. Torque the 4 bolts to 100 ± 10 ft-lbs. (136 ± 14 Nm) (Fig. 1511). Fig. 1511 DSC-1782a 6/2-52 Toro Wheeled CUL Service Manual...
Page 444: Hydraulic Tandem Pump Replacement
1512). Fig. 1514 DSC-1610a 5. Slide the idler arm inward. Remove the belt from the idler pulley (Fig. 1515). Fig. 1512 DSC-1604a 3. Remove the fan (Fig. 1513). Fig. 1515 DSC-1611a Fig. 1513 DSC-1606a Toro Wheeled CUL Service Manual 6/2-53...
Page 445 (Fig. 1517). 9. Place absorbent towel under the pump. 10. Loosen the hose clamp on the front pump suction hose (Fig. 1519). Fig. 1517 DSC-1613a Fig. 1519 DSC-1616a 6/2-54 Toro Wheeled CUL Service Manual...
Page 446 12. Loosen the hose clamp on the rear pump suction hose (Fig. 1521). 14. Mark the hydraulic pump lines and fittings F and R (Fig. 1523): F. Front hydraulic line R. Rear hydraulic line Fig. 1521 DSC-1618a Fig. 1523 DSC-1621a Toro Wheeled CUL Service Manual 6/2-55...
Page 447 18. Slide the pump assembly out of the chassis (Fig. line from the pump fitting (Fig. 1525). 1527). Fig. 1525 DSC-1625a Fig. 1527 DSC-1639a 19. To service the pump, refer to “108-4710 Hydraulic Tandem Pump Rebuild” on page 3/1-50. 6/2-56 Toro Wheeled CUL Service Manual...
Page 448: Hydraulic Tandem Pump Installation
4. Install the pump shaft into the pump pulley aligning the key in the shaft with the keyway in the pulley (Fig. 1531). 2. Ensure the key is installed in the pump shaft keyway (Fig. 1529). Fig. 1531 DSC-1751a Fig. 1529 DSC-1749a Toro Wheeled CUL Service Manual 6/2-57...
Page 449 (Fig. 1534). Fig. 1532 DSC-1752a Fig. 1534 DSC-1756a 6. Using a 9/16” wrench, install the 2 pump mounting 8. Slide the idler arm inward (Fig. 1535). bolts (Fig. 1533). Fig. 1535 DSC-1759a Fig. 1533 DSC-1755a 6/2-58 Toro Wheeled CUL Service Manual...
Page 450 Refer to “Checking the Alternator Belt Tension” on page 6/4-60. While applying tension, use a 9/16” socket to tighten the idler arm nut (Fig. 1537). Fig. 1539 DSC-1767a Fig. 1537 DSC-1763a Toro Wheeled CUL Service Manual 6/2-59...
Page 451 DSC-1776a 14. Using a 15/16” wrench, install the rear hydraulic line 16. Slide the fan onto the fan adapter (Fig. 1543). to the rear pump fitting (Fig. 1541). Fig. 1543 DSC-1777a Fig. 1541 DSC-1773a 6/2-60 Toro Wheeled CUL Service Manual...
Page 452 20. Start the machine. 21. Purge air from the hydraulic system. 22. Check for leaks. 23. Turn the machine off and remove the key. 24. Check the hydraulic fluid level and add if necessary. Toro Wheeled CUL Service Manual 6/2-61...
Page 453 4-PAW DIESEL/HYDRAULICS THIS PAGE INTENTIONALLY LEFT BLANK. 6/2-62 Toro Wheeled CUL Service Manual...
Page 454: 4-Paw Diesel Loader Arm
4. Using a 1/2” socket, remove the 3 bolts retaining the Loader Arm Replacement 3 pivot pins to the attach plate (Fig. 1548). Loader Arm Removal 1. Raise the loader arm 6” - 8” (15 - 20cm) away from frame and position attach plate flat (horizontally) (Fig. 1546). Fig. 1548 DSC-1383w 5. Remove the center pivot pin (Fig. 1549). DSC-1380a Fig. 1546 2. 4-Paw machines: Remove the hood. 3. Support the attach plate with a floor jack (Fig. 1547). DSC-1387w Fig. 1549 Fig. 1547 DSC-1382w Toro Wheeled CUL Service Manual 6/3-1...
Page 455 4-PAW DIESEL/LOADER ARM 6. Remove the RH and LH pivot pins (Fig. 1550 and 7. Remove the attach plate (Fig. 1552). Fig. 1551). DSC-1395w Fig. 1552 DSC-1392w Fig. 1550 8. Using a 1/2” socket, remove the bolt securing the upper tilt cylinder pivot pin to the tilt cylinder (Fig. 1553). DSC-1394w Fig. 1551 DSC-1398a Fig. 1553 6/3-2 Toro Wheeled CUL Service Manual...
Page 456 Fig. 1554 12. Place an oil pan underneath the couplers to catch 10. Lay the tilt cylinder alongside the unit (Fig. 1555). drainage. 13. Using a 1-1/8” wrench remove the hydraulic line to the male (M) flush face coupler (Fig. 1557). Note: Use a plug to protect the line from contami- nation. DSC-1402w Fig. 1555 DSC-1405a Fig. 1557 Toro Wheeled CUL Service Manual 6/3-3...
Page 457 4-PAW DIESEL/LOADER ARM 14. Using a 1-18” wrench remove the hydraulic line to 15. Using a 1-1/4” wrench and 1-5/16” wrench remove the female (F) flush face coupler (Fig. 1558). the nut from the male flush face coupler (Fig. 1559) and remove the male flush face coupler (Fig. 1560). Note: Use a plug to protect the line from contami- nation. Fig. 1559 DSC-1411a DSC-1406a Fig. 1558 Fig. 1560 DSC-1413a 6/3-4 Toro Wheeled CUL Service Manual...
Page 458 4-PAW DIESEL/LOADER ARM 16. Using a 1-5/16” wrench remove the nut from the 17. Remove the drain pan. female flush face coupler (Fig. 1561) and remove the female flush face coupler (Fig. 1562). 18. Using a properly rated strap or chain and hoist, support the cross-member of the loader arm (Fig. 1563). Fig. 1561 DSC-1414a Fig. 1563 DSC-1418a 19. Using a 1/2” socket remove the 2 bolts securing the lift cylinder pin to the loader arm and the loader arm pivot pin to the frame (2 per side, left side shown) (Fig. 1564). DSC-1415a Fig. 1562 DSC-1419a Fig. 1564 6/3-5 Toro Wheeled CUL Service Manual...
Page 459 4-PAW DIESEL/LOADER ARM 20. Remove the left and right lift cylinder pin from the 22. Remove the loader arm from the machine (Fig. loader arm (Fig. 1565). 1567). DSC-1425a Fig. 1565 DSC-1422a Fig. 1567 21. Remove the left and right loader arm pivot pin from the frame (Fig. 1566). Fig. 1566 DSC-1424 6/3-6 Toro Wheeled CUL Service Manual...
Page 460: Loader Arm Installation
Loader Arm Installation place as necessary (Fig. 1570). 1. Inspect the loader arm and pivot pins for wear or damage. Replace as necessary (Fig. 1568). DSC-1458a Fig. 1570 Fig. 1568 DSC-1448a 4. Install the loader arm onto the unit, aligning the pivot points on the loader arm with the pivot points on the upper frame (Fig. 1571). 2. Inspect the hydraulic cylinder yolks for wear or damage. Replace as necessary (Fig. 1569). DSC-1459a Fig. 1571 DSC-1453a Fig. 1569 6/3-7 Toro Wheeled CUL Service Manual...
Page 461 4-PAW DIESEL/LOADER ARM 5. Install a pivot pin through the frame and loader arm 8. Repeat for the opposite side. pivot point (Fig. 1572). 9. Using a 1/2” socket, install 4 bolts to secure the pivot pins to the upper frame and lift cylinders on both sides of the machine. Torque the bolts to 19 ft-lbs. (26 Nm) (Fig. 1574 and Fig. 1575). Fig. 1572 DSC-1462a 6. Repeat for the opposite side. Fig. 1574 DSC-1466a 7. Install a pivot pin through the lift cylinder and loader arm pivot point (Fig. 1573). DSC-1467a Fig. 1575 Fig. 1573 DSC-1463a 6/3-8 Toro Wheeled CUL Service Manual...
Page 462 (Fig. 1576). 13. Position the male flush face coupler into the coupler bracket on the loader arm (Fig. 1578). Fig. 1576 DSC-1468a DSC-1471a Fig. 1578 12. Using a 1-5/16” wrench install the nut to the female flush face coupler (Fig. 1577). 14. Using a 1-1/4” wrench and 1-5/16” wrench install the nut to the male flush face coupler (Fig. 1579). DSC-1470a Fig. 1577 DSC-1474a Fig. 1579 6/3-9 Toro Wheeled CUL Service Manual...
Page 463 4-PAW DIESEL/LOADER ARM 15. Using a 1-1/8” wrench install the hydraulic line (F) to 17. With the fittings facing up toward the engine, position the female flush face coupler (Fig. 1580). the tilt cylinder in the center of the loader arm (Fig. 1582). DSC-1479a Fig. 1580 Fig. 1582 DSC-1482a 16. Using a 1-1/8” wrench install the hydraulic line (M) to 18. Install the upper pivot pin through the tilt cylinder the male flush face coupler (Fig. 1581). yoke and loader arm bracket (Fig. 1583). Fig. 1581 DSC-1481a Fig. 1583 DSC-1483a 6/3-10 Toro Wheeled CUL Service Manual...
Page 464 4-PAW DIESEL/LOADER ARM 19. Install a bolt to secure the pivot pin to the cylinder 21. Install the right and left side pivot pins into the pivot yoke. Torque the bolt to 19 ft-lbs. (26 Nm) (Fig. points (Fig. 1586). 1584). DSC-1489a Fig. 1586 DSC-1485a Fig. 1584 22. Align the tilt cylinder ram with the attach plate center 20. Position the attach plate to the loader arm pivot pivot point. Install the center pivot pin securing the points (Fig. 1585). tilt cylinder to the attach plate (Fig. 1587). DSC-1487a DSC-1491a Fig. 1585 Fig. 1587 Toro Wheeled CUL Service Manual 6/3-11...
Page 465 4-PAW DIESEL/LOADER ARM 23. Using a 1/2” socket, install 3 bolts securing each 25. Remove the floor jack. of the pivot pins to the attach plate (2) and the tilt cylinder ram (1) (Fig. 1588). 26. 4-Paw machines: Install the hood. 27. Start the machine. Raise and lower the loader arm. 28. Check the hydraulic fluid level and add if necessary. 29. Grease the pivot points (using #2 general purpose luthium grease): Left side (Fig. 1590) DSC-1493a Fig. 1588 24. Torque the 3 pivot pin bolts to 19 ft-lbs. (26 Nm) (Fig. 1589). DSC-1497a Fig. 1590 DSC-1494a Fig. 1589 6/3-12 Toro Wheeled CUL Service Manual...
Page 466 4-PAW DIESEL/LOADER ARM Attach plate (Fig. 1591) DSC-1498a Fig. 1591 Right side (Fig. 1592) DSC-1499a Fig. 1592 Toro Wheeled CUL Service Manual 6/3-13...
Page 467 4-PAW DIESEL/LOADER ARM THIS PAGE INTENTIONALLY LEFT BLANK. 6/3-14 Toro Wheeled CUL Service Manual...
Page 468: 4-Paw Diesel Engine
1593). Fig. 1595 DSC-1970a 5. Lift the rear access door and remove it from the machine (Fig. 1596). Fig. 1593 DSC-1604a 3. Remove the fan assembly (Fig. 1594). Fig. 1596 DSC-1971a Fig. 1594 DSC-1606a Toro Wheeled CUL Service Manual 6/4-1...
Page 469 Fig. 1599 DSC-1978a Fig. 1597 DSC-1976a 9. Slide the fuel line hose clamp away from the fuel filter fitting (Fig. 1600). 7. Remove the oil drain plug (Fig. 1598). Fig. 1600 DSC-1980a Fig. 1598 DSC-1977a 6/4-2 Toro Wheeled CUL Service Manual...
Page 470 13. Using a 3/8” socket, loosen the air cleaner hose 11. Slide the fuel line hose clamp away from the fuel clamp (Fig. 1604). tank fitting (Fig. 1602). Fig. 1604 DSC-1988a Fig. 1602 DSC-1986a Toro Wheeled CUL Service Manual 6/4-3...
Page 471 17. Disconnect the fuel solenoid from the harness (Fig. 15. Using a 1/2” wrench, loosen the 2 nuts securing the 1608). air cleaner bracket to the frame (Fig. 1606). Fig. 1608 DSC-1999a Fig. 1606 DSC-1995a 6/4-4 Toro Wheeled CUL Service Manual...
Page 472 19. Remove the glow plug power wire from the glow 21. Loosen the throttle cable clamp swivel using a 5/16” plug bus bar (Fig. 1610). wrench and a 1/2” wrench (Fig. 1612). Fig. 1612 DSC-2063a Fig. 1610 DSC-2002a Toro Wheeled CUL Service Manual 6/4-5...
Page 473 22. Slide the throttle cable out of the throttle cable clamp 24. Remove the operator’s manual tube (Fig. 1615). swivel (Fig. 1613). Fig. 1615 DSC-2067a Fig. 1613 DSC-2064a 23. Unplug the water temperature sensor terminal (Fig. 1614). Fig. 1614 DSC-2066a 6/4-6 Toro Wheeled CUL Service Manual...
Page 474 26. Remove the battery cover (Fig. 1618). battery cover to the frame (Fig. 1616 and Fig. 1617). Fig. 1618 DSC-2071a Fig. 1616 DSC-2068a 27. Disconnect the negative battery cable from the battery (Fig. 1619). Fig. 1617 DSC-2069a Fig. 1619 DSC-2074a Toro Wheeled CUL Service Manual 6/4-7...
Page 475 31. Using a 12mm socket, remove the nut from the starter terminal (Fig. 1623). 29. Using a 17mm socket, remove the bolt securing the ground wires to the chassis (Fig. 1621). Fig. 1623 DSC-2083a Fig. 1621 DSC-2080a 6/4-8 Toro Wheeled CUL Service Manual...
Page 476 Fig. 1624 DSC-2085a Fig. 1626 DSC-2088a 33. Remove the positive battery cable from the starter 35. Unplug the starter connector from the fusible link terminal (Fig. 1625). (Fig. 1627). Fig. 1625 DSC-2086a Fig. 1627 DSC-2090a Toro Wheeled CUL Service Manual 6/4-9...
Page 477 37. Using a Phillips screw driver, remove the screw 39. Unplug the dynamo (alternator) wires from the securing the oil sensor wire to the oil sensor (Fig. 1629). harness wires (Fig. 1631). Fig. 1629 DSC-2091a Fig. 1631 DSC-2099a 6/4-10 Toro Wheeled CUL Service Manual...
Page 478 (Fig. 1634). Fig. 1632 DSC-2100a Fig. 1634 DSC-2104a 41. Remove the spark arrester from the muffler (Fig. 1633). 44. Slide the suction hose off the pump fitting (Fig. 1635). Fig. 1633 DSC-2102a Fig. 1635 DSC-2105a Toro Wheeled CUL Service Manual 6/4-11...
Page 479 46. Slide the suction hose off the pump fitting (Fig. 1637). 48. Using a 15/16” wrench, remove the front hydraulic line from the pump fitting (Fig. 1639). Note: Plug both lines to prevent contamination. Fig. 1639 DSC-2112a Fig. 1637 DSC-2107a 6/4-12 Toro Wheeled CUL Service Manual...
Page 480 50. Using a 1/2” socket, remove the 4 engine mount line from the pump fitting (Fig. 1640). mounting bolts and washers (Fig. 1641 and Fig. 1642). Fig. 1640 DSC-2113a Fig. 1641 DSC-2122a Fig. 1642 DSC-2124a Toro Wheeled CUL Service Manual 6/4-13...
Page 481 56. Remove the top radiator hose (Fig. 1646). 53. Position an approved engine hoist and connect a chain to the 2 engine lift points. Remove the engine from the frame (Fig. 1644). Fig. 1646 DSC-0052a Fig. 1644 DSC-2529a 6/4-14 Toro Wheeled CUL Service Manual...
Page 482 Fig. 1649 DSC-0056a Fig. 1647 DSC-0054a 60. Remove the belt from the idler pulley (Fig. 1650). 58. Using a 9/16” socket, loosen the idler arm nut (Fig. 1648). Fig. 1650 DSC-0057a Fig. 1648 DSC-0055a Toro Wheeled CUL Service Manual 6/4-15...
Page 483 (Fig. 1653). and Fig. 1652). Fig. 1653 DSC-0060a Fig. 1651 DSC-0068a 63. Using a 1/2” socket, remove the 4 pump mount mounting bolts and lock washers (Fig. 1654). Fig. 1652 DSC-0058a Fig. 1654 DSC-0061a 6/4-16 Toro Wheeled CUL Service Manual...
Page 484 Using a 1/2” socket, remove the 2 screws securing the engine pulley to the flywheel adapter (Fig. 1658). Fig. 1655 DSC-0063a Fig. 1657 DSC-0068a 65. Remove the fan belt (Fig. 1656). Fig. 1658 DSC-0066a Fig. 1656 DSC-0064a Toro Wheeled CUL Service Manual 6/4-17...
Page 485 70. Using a 13mm wrench, loosen the lower muffler mounting bolt (Fig. 1662). 68. Using a 15mm socket, remove the 5 bolts and lock washers securing the flywheel adapter to the engine (Fig. 1660). Fig. 1662 DSC-0076a Fig. 1660 DSC-0072a 6/4-18 Toro Wheeled CUL Service Manual...
Page 486 (Fig. 1663). Fig. 1665 DSC-0083a Fig. 1663 DSC-0079 74. Remove the previously loosened lower muffler mounting bolt and discard (Fig. 1666). 72. Remove the muffler (Fig. 1664). Fig. 1666 DSC-0084a Fig. 1664 DSC-0082a Toro Wheeled CUL Service Manual 6/4-19...
Page 487 Fig. 1667 DSC-0086 Fig. 1669 DSC-0091a 76. Remove the rod linkage from the engine stop lever 78. Remove the solenoid and mount from the engine (Fig. 1668). (Fig. 1670). Fig. 1668 DSC-0089 Fig. 1670 DSC-0092 6/4-20 Toro Wheeled CUL Service Manual...
Page 488 (Fig. 1673). Fig. 1671 DSC-2251a Fig. 1673 DSC-2255a 81. Using a 1/4” socket, loosen the hose clamp from the engine oil drain line (Fig. 1674). Fig. 1672 DSC-2253a Fig. 1674 DSC-2260a Toro Wheeled CUL Service Manual 6/4-21...
Page 489 2 engine lift points (Fig. 1676). 86. Using a 9/16” socket and an 11/16” wrench, remove the bolts and nuts from the engine mount (Fig. 1678). Fig. 1676 DSC-2262a Fig. 1678 DSC-2267a 6/4-22 Toro Wheeled CUL Service Manual...
Page 490 89. Remove the engine mount washers (Fig. 1681). Fig. 1679 DSC-2269a Fig. 1681 DSC-2272a 88. Remove the snubbing washers (Fig. 1680). 90. Remove the engine mount plate from the engine mount (Fig. 1682). Fig. 1680 DSC-2271a Fig. 1682 DSC-2274a Toro Wheeled CUL Service Manual 6/4-23...
Page 491 R clamp to the engine mount plate and engine block. Using a 17mm socket, remove the assembly (Fig. 1686). remaining 2 bolts and lock washers (Fig. 1684). Fig. 1686 DSC-2286a Fig. 1684 DSC-2281a 6/4-24 Toro Wheeled CUL Service Manual...
Page 492 • The rubber mounts located on the oil drain end of the mount assembly have a white or green identi- fication mark and do not have a lip underneath the flange (Fig. 1690). Fig. 1688 DSC-2292a Fig. 1690 DSC-2297a Toro Wheeled CUL Service Manual 6/4-25...
Page 493: Engine Installation
2. Slide the r-clamp onto the breather hose (Fig. 1691). Fig. 1693 DSC-2302a Fig. 1691 DSC-2443 3. Position and lower the engine into the engine mount assembly (Fig. 1692). Fig. 1694 DSC-2311a Fig. 1692 DSC-2300a 6/4-26 Toro Wheeled CUL Service Manual...
Page 494 7. Using a 12mm socket, install the lower starter housing mounting bolt and lock washer through the starter housing and into the engine block. Torque to 17.4 to 20.3 ft-lbs. (23.5 to 27.5 Nm) (Fig. 1698). Fig. 1696 DSC-2303a Fig. 1698 DSC-2326a Toro Wheeled CUL Service Manual 6/4-27...
Page 495 Fig. 1701 DSC-2315a 9. Apply thread locking compound to the 4 engine mount plate mounting bolts (with lock washers) (Fig. 11. Install the engine mount washer (Fig. 1702). 1700). Fig. 1702 DSC-2317a Fig. 1700 DSC-2311a 6/4-28 Toro Wheeled CUL Service Manual...
Page 496 12. Install the snubbing washer (Fig. 1703). 14. Install the bolt (Fig. 1705). Fig. 1703 DSC-2318a Fig. 1705 DSC-2320a 13. Install the flat washer (Fig. 1704). 15. Loosely install the nut (Fig. 1706). Fig. 1706 DSC-2321a Fig. 1704 DSC-2319a Toro Wheeled CUL Service Manual 6/4-29...
Page 497 19. Using a 1/4” socket, tighten the hose clamps 17. Install the engine oil drain line (Fig. 1708). securing the engine oil drain line and engine oil drain plug (Fig. 1710). Fig. 1708 DSC-2327a Fig. 1710 DSC-2334a 6/4-30 Toro Wheeled CUL Service Manual...
Page 498 21. Install the water temperature sensor. Use a 9/16” 23. Apply thread locking compound to the 2 fuel wrench to tighten (Fig. 1712). solenoid assembly mounting bolts (Fig. 1714). Fig. 1712 DSC-2457a Fig. 1714 DSC-2462a Toro Wheeled CUL Service Manual 6/4-31...
Page 499 24. Position the fuel solenoid assembly to the engine block (Fig. 1715). Fig. 1715 DSC-2463a 25. Install the 2 fuel solenoid mounting bolts. Torque to 19 + 2 ft-lbs. (25.76 + 2.7 Nm) using a 13mm socket (Fig. 1716). Fig. 1716 DSC-2467a 6/4-32 Toro Wheeled CUL Service Manual...
Page 500 (Fig. 1719) until it can be inserted into the fuel stop (Fig. 1720). Tighten the jam nut to secure the fuel solenoid rod (Fig. 1721). Fig. 1719 DSC-2472a Fig. 1717 DSC-2468a Fig. 1720 DSC-2473a Fig. 1718 DSC-2471 Fig. 1721 DSC-2476a Toro Wheeled CUL Service Manual 6/4-33...
Page 501 28. Slide the fuel filter hose onto the fuel barb on the engine (Fig. 1723). 30. Using a 1/2” wrench and socket, tighten the fuel filter assembly mounting bolts and nuts (Fig. 1725). Fig. 1723 DSC-2482a Fig. 1725 DSC-2486a 6/4-34 Toro Wheeled CUL Service Manual...
Page 502 32. Lower muffler mounting bolt: A special bolt with high Fig. 1728 DSC-2495a temperature thread locking compound that is factory applied (Fig. 1727). 34. Insert the 3 muffler manifold mounting bolts through the engine manifold (Fig. 1729). Fig. 1727 DSC-2492a Fig. 1729 DSC-2501a Toro Wheeled CUL Service Manual 6/4-35...
Page 503 36. Position the muffler to the engine by sliding the lower 38. Install 3 nuts and lock washers onto the muffler muffler bracket onto the lower muffler mounting bolt manifold mounting bolts (Fig. 1733). (Fig. 1731). Fig. 1733 DSC-2507a Fig. 1731 DSC-2498a 6/4-36 Toro Wheeled CUL Service Manual...
Page 504 Fig. 1736 DSC-2516a Fig. 1734 DSC-2511a 42. Position the Flywheel adapter to the flywheel (Fig. 40. Using a 13mm wrench, tighten the lower muffler 1737). mounting bolt (Fig. 1735). Fig. 1737 DSC-2517a Fig. 1735 DSC-2512a Toro Wheeled CUL Service Manual 6/4-37...
Page 505 Fig. 1740 DSC-2522a 45. Apply thread locking compound to pump pulley shoulder bolts (Fig. 1741). Fig. 1738 DSC-2518a Fig. 1741 DSC-2524a Fig. 1739 DSC-0067a 6/4-38 Toro Wheeled CUL Service Manual...
Page 506 47. Install the 2 pump pulley mounting bolts (Fig. 1743). 49. Rotate the engine so the pump mount set screws are located at the 1 o’clock and 4 o’clock positions (Fig. 1745). Fig. 1743 DSC-2526a Fig. 1745 DSC-2574a Toro Wheeled CUL Service Manual 6/4-39...
Page 507 51. Rotate the pump shaft so that the key in the pump 53. Apply anti-seize to the pump shaft (Fig. 1749). shaft will align with the keyway in the pump pulley (Fig. 1747). Fig. 1749 DSC-2538a Fig. 1747 DSC-2537a 6/4-40 Toro Wheeled CUL Service Manual...
Page 508 55. Route the fan belt around the upper pulley on the pump mount assembly (Fig. 1751). 57. Using a 1/2” socket, torque the 4 pump mount assembly mounting bolts to 17-21 ft-lbs. (23-28 Nm) (Fig. 1753). Fig. 1751 DSC-2579a Fig. 1753 DSC-2583a Toro Wheeled CUL Service Manual 6/4-41...
Page 509 61. Move the idler arm outward to apply tension to the 59. Slide the idler arm inward (Fig. 1755). fan belt. While applying tension, use a 9/16” socket to tighten the idler arm nut (Fig. 1757). Fig. 1755 DSC-2588a Fig. 1757 DSC-2594a 6/4-42 Toro Wheeled CUL Service Manual...
Page 510 68. Using a 1/2” socket, torque the 4 cap screws to 35 to holes on the engine mount with the holes in the 45 ft-lbs. (47 to 61 Nm) (Fig. 1761). frame (Fig. 1759). Fig. 1761 DSC-2604a Fig. 1759 DSC-2600a Toro Wheeled CUL Service Manual 6/4-43...
Page 511 Fig. 1762 DSC-2557a Fig. 1764 DSC-2560a 70. Position the hose clamp and tighten to secure (Fig. 72. Position the hose clamp and tighten to secure (Fig. 1763). 1765). Fig. 1763 DSC-2558a Fig. 1765 DSC-2561a 6/4-44 Toro Wheeled CUL Service Manual...
Page 512 76. Slide the fan onto the fan adapter (Fig. 1769). Fig. 1766 DSC-2562a 74. Install the rear hydraulic pump line to the rear hydraulic pump fitting (Fig. 1767). Fig. 1769 DSC-2605a Fig. 1767 DSC-2566a Toro Wheeled CUL Service Manual 6/4-45...
Page 513 Fig. 1772 DSC-2612a Fig. 1770 DSC-2608a 80. Plug the dynamo (alternator) wires into the harness 78. Slide the spark arrester onto the muffler (Fig. 1771). wires (Fig. 1773). Fig. 1771 DSC-2609a Fig. 1773 DSC-2099a 6/4-46 Toro Wheeled CUL Service Manual...
Page 514 84. Plug the starter connector into the fusible link (Fig. 82. Using a Phillips screw driver, install the screw 1777). securing the oil sensor wire to the oil sensor (Fig. 1775). Fig. 1777 DSC-2619a Fig. 1775 DSC-2617a Toro Wheeled CUL Service Manual 6/4-47...
Page 515 Fig. 1780 DSC-2624a 86. Install the positive battery cable onto the starter 88. Using a 12mm socket, install a nut onto the starter terminal (Fig. 1779). terminal (Fig. 1781). Fig. 1781 DSC-2627a Fig. 1779 DSC-2623a 6/4-48 Toro Wheeled CUL Service Manual...
Page 516 Fig. 1782 DSC-2628a Fig. 1784 DSC-2631a 90. Apply thread locking compound to the ground bolt 92. Slide the harness ground wire onto the ground bolt (Fig. 1783). (Fig. 1785). Fig. 1783 DSC-2630a Fig. 1785 DSC-2632a Toro Wheeled CUL Service Manual 6/4-49...
Page 517 96. Using a 7mm socket, install a nut to secure the glow 94. Plug the temperature sensor terminal onto the plug power wire to the glow plug bus bar (Fig. 1789). temperature sensor (Fig. 1787). Fig. 1789 DSC-2640a Fig. 1787 DSC-2636a 6/4-50 Toro Wheeled CUL Service Manual...
Page 518 98. Install the positive battery cable onto the positive battery terminal. Cover the connection with the red 100. Position the battery cover over the battery (Fig. protective boot (Fig. 1791). 1793). Fig. 1791 DSC-2645a Fig. 1793 DSC-2649a Toro Wheeled CUL Service Manual 6/4-51...
Page 519 DSC-2651a 104. Install a bolt through the r-clamp and bracket (Fig. A. Short bolts (2) B. Long bolts (2) 1797). 102. Install the operator’s manual tube (Fig. 1795). Fig. 1797 DSC-2658a Fig. 1795 DSC-2653a 6/4-52 Toro Wheeled CUL Service Manual...
Page 520 108. Using a 7/16” wrench, loosely install a nut onto the 106. Slide the throttle cable into the throttle cable clamp cable clamp swivel securing it to the throttle linkage swivel (Fig. 1799). (Fig. 1801). Fig. 1799 DSC-2659a Fig. 1801 DSC-2663a Toro Wheeled CUL Service Manual 6/4-53...
Page 521 110. Hold the throttle linkage in the fast position (Fig. 112. Use 7/16” and 1/2” wrenches to tighten the cable 1803). clamp swivel nut securing it to the throttle linkage (Fig. 1805). Fig. 1803 DSC-2665a Fig. 1805 DSC-2667a 6/4-54 Toro Wheeled CUL Service Manual...
Page 522 Fig. 1808 DSC-2670a Fig. 1806 DSC-2668a 116. Position the hose clamp and tighten to secure (Fig. 114. Position the hose clamp and tighten to secure (Fig. 1809). 1807). Fig. 1809 DSC-2671a Fig. 1807 DSC-2669a Toro Wheeled CUL Service Manual 6/4-55...
Page 523 118. Position the air cleaner bracket onto the mounting 120. Using a 1/2” wrench, tighten the 2 nuts securing bolts located on the frame (Fig. 1811). the air cleaner bracket to the frame (Fig. 1813). Fig. 1811 DSC-2674a Fig. 1813 DSC-2682a 6/4-56 Toro Wheeled CUL Service Manual...
Page 524 Fig. 1814 DSC-2683a Fig. 1816 DSC-2685a 122. Position the fuel line hose clamp to secure (Fig. 124. Position the fuel line hose clamp to secure (Fig. 1815). 1817). Fig. 1817 DSC-2686a Fig. 1815 DSC-2684a Toro Wheeled CUL Service Manual 6/4-57...
Page 525 Replace the fill cap. 128. Install the radiator. Refer to “Radiator Installation” Fig. 1818 DSC-2688a on page 6/4-97. 126. Open the fuel shut-off valve (Fig. 1819). Fig. 1819 DSC-2689a 6/4-58 Toro Wheeled CUL Service Manual...
Page 526 130. Start the machine. 131. Purge air from the hydraulic system. Fig. 1822 DSC-2694a 132. Check for leaks. 133. Turn the machine off and remove the key. 134. Check the hydraulic fluid level and add if necessary. Toro Wheeled CUL Service Manual 6/4-59...
Page 527: Checking The Alternator Belt Tension
22 lbs. (98 N, 10kgf). 2. If the measurement is not within the factory specifi- cations, loosen the alternator mounting screws and relocate the alternator to adjust and re-tighten the mounting screws. Fig. 1824 DSC-2697a 6/4-60 Toro Wheeled CUL Service Manual...
Page 528: Fan Belt Replacement
1826). Fig. 1828 DSC-1610a 5. Slide the idler arm inward. Remove the belt from the idler pulley (Fig. 1829). Fig. 1826 DSC-1604a 3. Remove the fan (Fig. 1827). Fig. 1829 DSC-1611a Fig. 1827 DSC-1606a Toro Wheeled CUL Service Manual 6/4-61...
Page 529 (Fig. 1831). 9. Place absorbent towel under the pump. 10. Loosen the hose clamp on the front pump suction hose (Fig. 1833). Fig. 1831 DSC-1613a Fig. 1833 DSC-1616a 6/4-62 Toro Wheeled CUL Service Manual...
Page 530 12. Loosen the hose clamp on the rear pump suction hose (Fig. 1835). 14. Mark the hydraulic pump lines and fittings F and R (Fig. 1837): F. Front hydraulic line R. Rear hydraulic line Fig. 1835 DSC-1618a Fig. 1837 DSC-1621a Toro Wheeled CUL Service Manual 6/4-63...
Page 531 DSC-1626a 16. Using a 15/16” wrench, remove the rear hydraulic 18. Slide the pump assembly out of the chassis (Fig. line from the pump fitting (Fig. 1839). 1841). Fig. 1839 DSC-1625a Fig. 1841 DSC-1639a 6/4-64 Toro Wheeled CUL Service Manual...
Page 532 23. Remove the fan belt (Fig. 1845). Note: The bottom 2 mounting bolts are located below the pump mount opening. They bolt the bottom of the plate to the engine block. Fig. 1845 DSC-1644a Fig. 1843 DSC-1640a Toro Wheeled CUL Service Manual 6/4-65...
Page 533: Fan Belt Installation
(Fig. 1849). Note: The bottom 2 mounting bolts are located below the pump mount opening and bolt the bottom of the pump mount to the engine block. Fig. 1847 DSC-1743a Fig. 1849 DSC-1745a 6/4-66 Toro Wheeled CUL Service Manual...
Page 534 8. Install the pump shaft into the pump pulley aligning 6. Ensure the key is installed in the pump shaft keyway the key in the shaft with the keyway in the pulley (Fig. 1851). (Fig. 1853). Fig. 1851 DSC-1749a Fig. 1853 DSC-1751a Toro Wheeled CUL Service Manual 6/4-67...
Page 535 (Fig. 1856). Fig. 1856 DSC-1756a Fig. 1854 DSC-1752a 12. Slide the idler arm inward (Fig. 1857). 10. Using a 9/16” wrench, install the 2 pump mounting bolts (Fig. 1855). Fig. 1857 DSC-1759a Fig. 1855 DSC-1755a 6/4-68 Toro Wheeled CUL Service Manual...
Page 536 Refer to “Checking the Alternator Belt Tension” on page 6/4-60. While applying tension, use a 9/16” socket to tighten the idler arm nut (Fig. 1859). Fig. 1861 DSC-1767a Fig. 1859 DSC-1763a Toro Wheeled CUL Service Manual 6/4-69...
Page 537 DSC-1776a 18. Using a 15/16” wrench, install the rear hydraulic line 20. Slide the fan onto the fan adapter (Fig. 1865). to the rear pump fitting (Fig. 1863). Fig. 1865 DSC-1777a Fig. 1863 DSC-1773a 6/4-70 Toro Wheeled CUL Service Manual...
Page 538 24. Start the machine. 25. Purge air from the hydraulic system. 26. Check for leaks. 27. Turn the machine off and remove the key. 28. Check the hydraulic fluid level and add if necessary. Toro Wheeled CUL Service Manual 6/4-71...
Page 539: Fan Replacement
100 ± 10 in-lbs. (11.3 ± 1 Nm) (Fig. 1871). Fig. 1868 DSC-1604a 3. Remove the fan (Fig. 1869). Fig. 1871 DSC-1604a 3. Install the radiator. Refer to “Radiator Installation” on page 6/4-97. Fig. 1869 DSC-1606a 6/4-72 Toro Wheeled CUL Service Manual...
Page 540: Fuel Shut Down Solenoid Replacement
(Fig. 1875). Note: The air cleaner cover was removed for photo purposes. Fig. 1872 DSC-2696a 3. Unplug the fuel shut down solenoid from the wire harness connector (Fig. 1873). Fig. 1875 IMG-0164a Fig. 1873 IMG-0085a Toro Wheeled CUL Service Manual 6/4-73...
Page 541: Fuel Shut Down Solenoid Installation
Solenoid Testing procedure on page 6/5-13. 2. Install 2 bolts and nuts to secure the solenoid to the mounting bracket (Fig. 1878). Note: The air cleaner cover was removed for photo purposes. Fig. 1878 IMG-0164a 6/4-74 Toro Wheeled CUL Service Manual...
Page 542 Lock the jam nut. Fig. 1880 IMG-0161a 5. Plug the fuel shut down solenoid connector into the wire harness connector (Fig. 1881). Fig. 1879 IMG-0166a A. Stop rod C. Jam nut B. Engine linkage Fig. 1881 IMG-0085a Toro Wheeled CUL Service Manual 6/4-75...
Page 543: Glow Plug Replacement
4. Open the rear engine cover. 5. Using a 10mm socket, remove the 3 nuts securing the power wire and glow plug bus bar to the glow plugs (Fig. 1882). Fig. 1883 IMG-0154a Fig. 1882 IMG-0153 6/4-76 Toro Wheeled CUL Service Manual...
Page 544: Glow Plug Installation
Fig. 1887 DSC-1606a 5. Thread a nut onto each of the glow plugs to secure to glow plug power wire and bus bar. 6. Tighten the 3 nuts. 7. Close the rear cover. Toro Wheeled CUL Service Manual 6/4-77...
Page 545 7. Using a 22mm socket, rotate the engine until the 5. Slide the idler arm inward. Remove the belt from the pump coupler set screws are accessible (Fig. 1891). idler pulley (Fig. 1889). Fig. 1891 DSC-1613a Fig. 1889 DSC-1611a 6/4-78 Toro Wheeled CUL Service Manual...
Page 546 12. Mark the hydraulic pump hoses and fittings (Fig. 10. Loosen the hose clamps on the suction hoses (Fig. 1893). 1895): F. Front hydraulic line R. Rear hydraulic line Fig. 1893 DSC-1616a Fig. 1895 DSC-1621a Toro Wheeled CUL Service Manual 6/4-79...
Page 547 DSC-1626a 14. Using a 15/16” wrench, remove the rear hydraulic 16. Slide the pump assembly out of the chassis (Fig. line from the pump fitting (Fig. 1897). 1899). Fig. 1897 DSC-1625a Fig. 1899 DSC-1638a 6/4-80 Toro Wheeled CUL Service Manual...
Page 548 (Fig. 1901). Note: The bottom 2 mounting bolts are located below the pump mount opening. They bolt the bottom of the mount plate to the engine block. Fig. 1903 DSC-1644a Fig. 1901 DSC-1640a Toro Wheeled CUL Service Manual 6/4-81...
Page 549 22. Using a 1/2” wrench and socket, remove the 3 mounting bolt and washer. Discard the bolt, save the manifold mounting bolts, lock washers and nuts (Fig. washer for installation (Fig. 1907). 1905). Fig. 1907 DSC-1655a Fig. 1905 DSC-1652a 6/4-82 Toro Wheeled CUL Service Manual...
Page 550 27. Remove the old manifold gasket from the engine spark arrestor to the muffler (Fig. 1908). manifold (Fig. 1910). Fig. 1908 DSC-1660a Fig. 1910 DSC-1671a 26. Remove the spark arrester from the muffler (Fig. 1909). Fig. 1909 DSC-1665a Toro Wheeled CUL Service Manual 6/4-83...
Page 551: Muffler Installation
3. Loosely install the lower muffler mounting bolt (new) and washer (Fig. 1914). 2. Use a 1/4” socket to install the screw securing the spark arrester to the muffler (Fig. 1912). Fig. 1914 DSC-1657a Fig. 1912 DSC-1670a 6/4-84 Toro Wheeled CUL Service Manual...
Page 552 7. Slide the muffler manifold flange onto the 3 manifold mounting bolts. Install 3 lock washers and nuts to secure the muffler to the engine manifold (Fig. 1918). Fig. 1916 DSC-1673a Fig. 1918 DSC-1690a Toro Wheeled CUL Service Manual 6/4-85...
Page 553 9. Using a 13mm wrench and socket, tighten the lower mounting bolts (Fig. 1922). muffler mounting bolt. Torque to 19 ± 2 ft-lbs. (26 ± 3 Nm) (Fig. 1920). Fig. 1922 DSC-1743a Fig. 1920 DSC-1646a 6/4-86 Toro Wheeled CUL Service Manual...
Page 554 Using a 1/2” socket, tighten the 4 pump mount assembly mounting bolts. Fig. 1924 DSC-1747a 14. Ensure the key is installed in the pump shaft keyway (Fig. 1925). Fig. 1923 DSC-1745a Fig. 1925 DSC-1749a Toro Wheeled CUL Service Manual 6/4-87...
Page 555 16. Install the pump into the pump pulley aligning the 18. Using a 9/16” wrench, install the 2 pump mounting key in the pump shaft with the keyway in the pulley bolts (Fig. 1929). (Fig. 1927). Fig. 1929 DSC-1755a Fig. 1927 DSC-1751a 6/4-88 Toro Wheeled CUL Service Manual...
Page 556 22. Move the idler arm outward to apply tension to the fan belt. While applying tension, use a 9/16” socket to tighten the idler arm nut (Fig. 1933). Fig. 1931 DSC-1759a Fig. 1933 DSC-1763a Toro Wheeled CUL Service Manual 6/4-89...
Page 557 27. Using a 15/16” wrench, install the rear hydraulic line Fig. 1934 DSC-1765a to the rear pump fitting (Fig. 1937). 25. Slide the front suction hose onto the front pump suction fitting (Fig. 1935). Fig. 1937 DSC-1773a Fig. 1935 DSC-1767a 6/4-90 Toro Wheeled CUL Service Manual...
Page 558 100 ± 10 ft-lbs. (136 ± 14 Nm) (Fig. 1940). Fig. 1938 DSC-1776a Fig. 1940 DSC-1781a 29. Slide the fan onto the fan adapter (Fig. 1939). 31. Install the radiator. Refer to “Radiator Installation” on page 6/4-97. Fig. 1939 DSC-1777a Toro Wheeled CUL Service Manual 6/4-91...
Page 559: Radiator Replacement
33. Start the machine. 34. Purge air from the hydraulic system. 35. Check for leaks. 36. Turn the machine off and remove the key. 37. Check the hydraulic fluid level and add if necessary. 6/4-92 Toro Wheeled CUL Service Manual...
Page 560 7. Open the rear access door (Fig. 1945 and Fig. 1946). Fig. 1943 DSC-0452a Fig. 1945 DSC-1507a 5. Secure each loader arm cylinder lock with a clevis pin and cotter pin (Fig. 1944). Fig. 1946 DSC-1508a Fig. 1944 DSC-0455a Toro Wheeled CUL Service Manual 6/4-93...
Page 561 11. Loosen the 4 self-tapping screws on the either side 9. Loosen the radiator hose clamp (Fig. 1948). of the hood (2 RH and 2 LH) (Fig. 1950). Fig. 1948 DSC-1511a Fig. 1950 DSC-1515a 6/4-94 Toro Wheeled CUL Service Manual...
Page 562 13. Loosen the clamp securing the top radiator hose to 15. Slide the hose clamp that secures the overflow hose the radiator (Fig. 1952). to the radiator filler neck away from the filler neck (Fig. 1954). Fig. 1952 DSC-1520a Fig. 1954 DSC-1526a Toro Wheeled CUL Service Manual 6/4-95...
Page 563 17. Remove the 4 mounting bolts located on either side 19. Loosen the hose clamp that secures the lower of the radiator (2 RH and 2 LH) (Fig. 1956). radiator hose to the radiator (Fig. 1958). Fig. 1956 DSC-1523a Fig. 1958 DSC-1529a 6/4-96 Toro Wheeled CUL Service Manual...
Page 564: Radiator Installation
3. Slide the lower radiator hose onto the bottom radiator flange (Fig. 1962). Fig. 1960 DSC-1531a 22. To remove the radiator mount from the radiator, refer to “Radiator Mount Removal” on page 6/4-101. Fig. 1962 DSC-1549a Toro Wheeled CUL Service Manual 6/4-97...
Page 565 5. Slide the radiator into the unit. Slide the top radiator hose onto the top flange on the radiator (Fig. 1964). the radiator and is not pinched under it (Fig. 1966). Fig. 1964 DSC-1553a Fig. 1966 DSC-1555a 6/4-98 Toro Wheeled CUL Service Manual...
Page 566 DSC-1560a Fig. 1967 DSC-1558a 11. Slide the radiator hose onto the engine hose flange 9. Slide the overflow hose onto the radiator overflow (Fig. 1970). flange (Fig. 1968). Fig. 1970 DSC-1561a Fig. 1968 DSC-1559a Toro Wheeled CUL Service Manual 6/4-99...
Page 567 13. Slowly add a 50/50 mixture of water and permanent ethylene coolant to the filler neck of the radiator (Fig. 1972). Fig. 1973 DSC-1565a 19. Install the radiator cap (Fig. 1974). Fig. 1972 DSC-1565a Fig. 1974 DSC-1566a 6/4-100 Toro Wheeled CUL Service Manual...
Page 568: Radiator Mount Replacement
22. Install 4 self-tapping screws on the either side of the Fig. 1977 DSC-1535a hood (2 RH and 2 LH) to secure (Fig. 1976). 2. Remove the radiator mount from the radiator (Fig. 1978). Fig. 1976 DSC-1569a Fig. 1978 DSC-1540a Toro Wheeled CUL Service Manual 6/4-101...
Page 569 Fig. 1980 DSC-1544a 2. Using a 1/2” socket, install 8 bolts with flat washers securing both sides of the radiator mount to the radiator (4 RH and 4 LH) (Fig. 1981). Fig. 1981 DSC-1539a 6/4-102 Toro Wheeled CUL Service Manual...
Page 570: Pump Mount Assembly Rebuild
(Fig. 1985). 2. Remove the locknut, 2 spacers, and carriage bolt securing the top of the tensioner arm to the pump mount assembly (Fig. 1983). Fig. 1985 IMG-0637a Fig. 1983 IMG-0633a Toro Wheeled CUL Service Manual 6/4-103...
Page 571 1988). Fig. 1986 IMG-0638a Fig. 1988 IMG-0642a 6. Remove the fan adapter from the fan shaft (Fig. 8. Remove the pulley from the fan shaft (Fig. 1989). 1987). Fig. 1989 IMG-0644a Fig. 1987 IMG-0641a 6/4-104 Toro Wheeled CUL Service Manual...
Page 572 10. With a dead blow hammer, drive one of the bearings 12. Install a new bearing into the pump mount assembly out of the housing (Fig. 1991). (Fig. 1993). Fig. 1991 IMG-0649 Fig. 1993 IMG-0651a Toro Wheeled CUL Service Manual 6/4-105...
Page 573 14. Using a driver, install a new bearing into the pump hub (with the square head set screws) faces the mount assembly until the bearing seats up against bearing (Fig. 1997). the fan shaft (Fig. 1995). Fig. 1997 IMG-0654a Fig. 1995 IMG-0653a 6/4-106 Toro Wheeled CUL Service Manual...
Page 574 20. Install a washer and lock nut to secure the fan 18. Turn the pump mount assembly over and install a adapter to the shaft (Fig. 2001). square key in the fan shaft (Fig. 1999). Fig. 2001 IMG-0656a Fig. 1999 IMG-0642a Toro Wheeled CUL Service Manual 6/4-107...
Page 575 Install a spacer and a nut onto the bolt. Tighten the nut, but ensure there is still rotational movement on the tensioner arm (Fig. 2005). Fig. 2003 IMG-0637a Fig. 2005 IMG-0633a 6/4-108 Toro Wheeled CUL Service Manual...
Page 576: Fan Drive Pulley, Rubber Coupler & Flywheel Adapter Replacement
B. Pulley D. Bolt 26. Install the tensioner arm assembly onto the pump mount assembly. Install a nut to secure the idler Fig. 2008 DSC-1628a pulley to the tensioner arm (Fig. 2007). Fig. 2007 IMG-0659a Toro Wheeled CUL Service Manual 6/4-109...
Page 577 6. Using a 1/2” socket, remove the 2 bolts securing the pulley to the flywheel adapter (Fig. 2012). Fig. 2009 DSC-1640 4. Remove the pump mount/idler assembly (Fig. 2010). Fig. 2012 DSC-1695a Fig. 2010 DSC-1643a 6/4-110 Toro Wheeled CUL Service Manual...
Page 578 (Fig. 2016). 8. Using a 13mm wrench, remove the 5 bolts securing the flywheel adapter to the flywheel (Fig. 2014). Fig. 2016 DSC-1705a Fig. 2014 DSC-1699a Toro Wheeled CUL Service Manual 6/4-111...
Page 579 13. Separate the 2 rubber couplers (Fig. 2019). 2017). Fig. 2019 DSC-1711a Fig. 2017 DSC-1708a 14. Remove the 2 spacers from each rubber coupler 12. Remove the coupler spacer (Fig. 2018). (Fig. 2020). Fig. 2018 DSC-1709a Fig. 2020 DSC-1712a 6/4-112 Toro Wheeled CUL Service Manual...
Page 580: Fan Drive Pulley, Rubber Coupler & Flywheel Adapter Installation
G. Nuts (2) B. Pulley H. Bolt (5) C. Bolt (2) Lock washer (5) Fig. 2024 DSC-1716a D. Coupler spacer (2) J. Flywheel adapter E. Rubber coupler (2) K. Set Screw (2) F. Spacer (4) Toro Wheeled CUL Service Manual 6/4-113...
Page 581 (Fig. 2025). (opposite direction of each other, as shown) (Fig. 2027 and Fig. 2028). Fig. 2025 DSC-1717a Fig. 2027 DSC-1719a 4. Position the two rubber couplers together (Fig. 2026). Fig. 2028 DSC-1720a Fig. 2026 DSC-1718a 6/4-114 Toro Wheeled CUL Service Manual...
Page 582 9. With the lock washers installed, apply thread locking compound to the 5 flywheel mounting bolts (Fig. rubber coupler assembly to the fan drive pulley and coupler spacer (Fig. 2030). 2032). Fig. 2030 DSC-1724a Fig. 2032 DSC-1728a Toro Wheeled CUL Service Manual 6/4-115...
Page 583 Fig. 2035 DSC-1732a 11. Loosely install the 5 flywheel adapter mounting bolts (Fig. 2034). 13. Apply thread locking compound to the 2 pulley/ coupler mounting bolts (Fig. 2036). Fig. 2034 DSC-1731a Fig. 2036 DSC-1734a 6/4-116 Toro Wheeled CUL Service Manual...
Page 584 15. Slide the coupler spacer onto the 2 shoulder bolts (Fig. 2038). 17. Torque the 2 shoulder bolts to 300 ± 30 in-lbs. (34 ± 3 Nm) (Fig. 2040). Fig. 2038 DSC-1737a Fig. 2040 DSC-1740a Toro Wheeled CUL Service Manual 6/4-117...
Page 585 19. Apply thread locking compound to the 4 pump mount mounting bolts (Fig. 2042). Fig. 2043 DSC-1745a 21. Install the hydraulic tandem pump. Refer to “Hy- draulic Tandem Pump Installation” on page 6/2-57. Fig. 2042 DSC-1743a 6/4-118 Toro Wheeled CUL Service Manual...
Page 586: 4-Paw Diesel Electrical
Verify that there is NO continuity between the terminals in the OFF switch position (Fig. 2045). Fig. 2044 IMG-0149 Fig. 2045 IMG-0554a Position Condition No continuity B + I + A and X + Y START B + I + S Toro Wheeled CUL Service Manual 6/5-1...
Page 587: Relay
“thrown” and 30 and 87 are connected (Fig. bly, to the right of the engine (Fig. 2046). 2047). Fig. 2046 DSC-3157 Fig. 2047 IMG-0559 A. Inside – Glow Plug Relay B. Outside – Start Relay 6/5-2 Toro Wheeled CUL Service Manual...
Page 588: Testing
30 and 87a as 12 VDC is applied and removed from the terminal (Fig. 2048). Fig. 2048 xl relay 5. Disconnect voltage and multimeter leads from relay terminals. Toro Wheeled CUL Service Manual 6/5-3...
Page 589: Fuses
(Fig. 2049): Fig. 2049 IMG-0146a A. 10 amp fuse (Shut-Down Solenoid & Glow Plug Circuit) B. 25 amp fuse (Charge Circuit) C. 30 amp fuse (Start Circuit) 6/5-4 Toro Wheeled CUL Service Manual...
Page 590: Neutral Safety Switches
IMG-0547a the neutral position, there SHOULD be continuity. Location The neutral switches are threaded into the lower portion of the 4-spool hydraulic valve, located under the upper frame assembly (Fig. 2051). Fig. 2051 DSC-3165 Toro Wheeled CUL Service Manual 6/5-5...
Page 591: Auxiliary Neutral Switch
Fig. 2052 IMG-0547a continuity. Location The neutral switch is threaded into the lower portion of the auxiliary hydraulic valve, located on the right side of the upper frame assembly (Fig. 2053). Fig. 2053 DSC-3160 6/5-6 Toro Wheeled CUL Service Manual...
Page 592: Hour Meter
RUN position. If so, and the meter is not running, replace the meter. If 12 volts is not present, check the connections. Fig. 2054 DSC-0816 Toro Wheeled CUL Service Manual 6/5-7...
Page 593: Indicator Lights
START. The light should stay lit for A. Oil pressure light approximately 6 seconds while the ignition switch is left B. Battery light in the RUN position. C. Engine temperature light D. Glow plug light 6/5-8 Toro Wheeled CUL Service Manual...
Page 594: Testing Indicator Lights
1. Apply 12 VDC to terminals A and B (Fig. 2057). 2. Ground terminals C and D (Fig. 2057). Fig. 2057 IMG-0576a A. 1A(+) C. 1B(-) B. 2A(+) D. 2B(-) 3. Both indicator lights should illuminate. Toro Wheeled CUL Service Manual 6/5-9...
Page 595: Glow Controller
The controller module has a built-in timer that limits the time 12 volt power is provided to the glow plugs to pre- heat the combustion chambers. 6/5-10 Toro Wheeled CUL Service Manual...
Page 596: Testing
(Fig. 2060). Note: If there is no power at terminal 1 of the glow controller, verify continuity of the circuitry from the ignition switch to the controller and perform Step 4 again. Fig. 2060 IMG-0573a Toro Wheeled CUL Service Manual 6/5-11...
Page 597: Fuel Shut Down Solenoid
RUN, there is a second circuit called the Hold Coil. The Hold Coil will be Fig. 2061 IMG-0167 energized as long as the ignition switch is in the RUN position. 6/5-12 Toro Wheeled CUL Service Manual...
Page 598: Testing
Open the engine cover and push on the solenoid linkage to open fuel flow to the injector pump. If the engine starts and runs while holding the linkage, the shut down solenoid is faulty. Toro Wheeled CUL Service Manual 6/5-13...
Page 599: Electrical Schematics
(START RELAY) TEMP GLOW FUSIBLE LINK PK Y GLOW CONTROLLER TEMPERATURE SW. HOUR (SWITCH CLOSES GLOW PLUG RELAY PRESSURE SW. METER IN OVER–TEMP (SWITCH CLOSES CONDITION) WITH LOSS OF OIL PRESSURE) Fig. 2063 3323-755 22303-2001 6/5-14 Toro Wheeled CUL Service Manual...
Page 600 4-PAW DIESEL/ELECTRICAL 22303 - 2006, 2005, 2003, 2002 Fig. 2064 3354-735 22303-2006 Toro Wheeled CUL Service Manual 6/5-15...
Page 601 4-PAW DIESEL/ELECTRICAL THIS PAGE INTENTIONALLY LEFT BLANK. 6/5-16 Toro Wheeled CUL Service Manual...
Page 602 Wheeled Compact Utility Loader Service Manual Chain Drive / 4-Paw Gas / 4-Paw Diesel Form No. 492-9216...

This manual is also suitable for:

22311 22300 22304 22302 22303 22305 ... Show all

Toro 22317 Service Manual

Quick Links

Related Manuals for Toro 22317

Summary of Contents for Toro 22317

This manual is also suitable for:

Table of Contents