Toro 23518 Service Manual
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Toro 23518 Service Manual

30 inch stand-on
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Summary of Contents for Toro 23518

  • Page 1 Residential and LCE Products 30 inch Stand-On Aerator Service Manual...
  • Page 3 (492-4779). For information specific to the engine used on this unit, refer to the appropriate engine manufacturer’s service and repair instructions. The Toro 30” Aerator, model year 2013, is covered in this manual. The manual may also be specified for use on later model products.
  • Page 4 ABOUT THIS MANUAL THIS PAGE INTENTIONALLY LEFT BLANK.

  • Page 5: Table Of Contents

    Check Hydraulic Transmission Oil Level ..................... 2-16 Change Auxiliary Hydraulic Reservoir Fluid and Filter ................ 2-16 Change Hydraulic Transmission Filters and Fluid ................2-17 Tine Maintenance ............................2-18 Check Tines ............................2-18 Tine Drive Chain Adjustment ....................... 2-18 Toro Service Manual TOC-1 30” Aerator...
  • Page 6 Return to Neutral Setting ........................4-23 Hydraulic Pump Rebuild ..........................4-24 Hydraulic Pump Assembly ..........................4-28 Hydraulic Cylinder Rebuild ..........................4-29 Engine ................................4-34 Engine Mounting .............................4-34 Engine Pulley ............................4-35 Engine Replacement .............................4-36 Engine Removal ............................4-36 Engine Installation ...........................4-38 TOC-2 Toro Service Manual 30” Aerator...
  • Page 7 Location ..............................6-4 How It Works .............................6-4 Testing ...............................6-4 Fuse Block & Fuses............................6-5 Purpose ..............................6-5 Location ..............................6-5 How It Works .............................6-5 Testing ...............................6-5 Hour Meter...............................6-6 Purpose ..............................6-6 Location ..............................6-6 How It Works .............................6-6 Testing ...............................6-6 Toro Service Manual TOC-3 30” Aerator...
  • Page 8 TABLE OF CONTENTS 6 - Electrical cont. Relay ................................6-6 Purpose ..............................6-6 Location ..............................6-6 How It Works .............................6-7 Testing ...............................6-7 Subsystem Electrical Diagram.........................6-9 Wiring Harness Diagram ..........................6-10 Electrical Diagram ............................6-11 Electrical Schematic ............................6-12 TOC-4 Toro Service Manual 30” Aerator...

  • Page 9: Safety Information

    This manual is intended as a service and repair manual Bloomington, MN 55420 only. The safety instructions provided herein are for troubleshooting, service, and repair of the Toro 30” Aerator. The 30” Aerator operator’s manual contains Think Safety First Avoid unexpected starting of engine...
  • Page 10 SAFETY INFORMATION THIS PAGE INTENTIONALLY LEFT BLANK. Toro 30” Aerator Service Manual...

  • Page 11: Specifications & Maintenance

    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 12: Standard Torque For Dry, Zinc Plated & 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. Toro 30” Aerator Service Manual...

  • Page 13: Standard Torque For Dry, Zinc & Steel Fasteners (Metric Fasteners)

    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 30” Aerator Service Manual...

  • Page 14: 30" Aerator Specifications

    12-14 psi (83-97 kPa) Dimensional: Width (in/cm) 47.75/121.3 Length Operating 64.0/162.6 (in/cm) Length Handle Stored (in/cm) Height Operating 52.0/132.1 (in/cm) Height Handle Stored (in/cm) Weight (lb/kg) 1015.0/460.0 Max Operating 4.0/10.2 Depth (in/cm) Plugs per Sq-ft./ 4.6/49.5 Sq-meter Toro 30” Aerator Service Manual...

  • Page 15: Recommended Maintenance Schedule

    • Check the torque of the wheel hub nuts. • Check the torque on the wheel lug nuts. • Check the transmission output shaft nut torque specification. Yearly or before storage • Touch up chipped paint Toro 30” Aerator Service Manual...

  • Page 16: Premaintenance Procedures

    Keep fingers, hands, and clothing clear of rotating components and hot surfaces. 4. With the engine running, slowly move the motion control levers forward and lubricate all six chains. 5. Check the condition and tension of the chains. Toro 30” Aerator Service Manual...

  • Page 17: Lubricate Grease Fittings

    F. Control 50 hours Pivots bearing. Remove grease fitting and thread plug back in. Place cap back on. G. Belt Idler Yearly Pivot H. Front Caster Yearly Hubs Toro 30” Aerator Service Manual...

  • Page 18: Lubricate Caster Wheel Hubs

    The tire should not spin freely (more than 1 or 2 revolutions) or have any side play. If the wheel spins freely, adjust torque on spacer nut until there is a slight amount of drag. Reapply thread locking adhesive. Toro 30” Aerator Service Manual...

  • Page 19: Engine Maintenance

    5. Clean around oil fill cap and remove cap. Fill to specified capacity and replace cap. Service Air Cleaner 6. Add 1.8 qt. (1.7 L) of Toro Premium Oil. Do not overfill. Start the engine and check for leaks. Stop Service Interval: Every 250 hours - Replace the primary engine and recheck oil level.

  • Page 20: Fuel System Maintenance

    Important: Make sure the negative battery cable is disconnected and the battery charger used for charging the battery has an output of 16 volts and 7 amps or less to avoid damaging the battery. 2-10 Toro 30” Aerator Service Manual...

  • Page 21: Drive System Maintenance

    Check Wheel Lug Nuts Torque Specification Service Interval: Yearly Service Interval: Yearly Torque the nut on the transmission output tapered shaft Torque the wheel lug nuts to 90-95 ft-lbs. (122-129 Nm). to 210-260 ft-lbs. (285-353 Nm). Toro 30” Aerator Service Manual 2-11...

  • Page 22: Jackshaft Drive Chain Tension Adjustment

    (Fig. 003). Fig. 003 fig. 16 G020261 A. Hydro mounting bolts D. 6-12mm (1/4-1/2”) & nuts E. Guard removed for B. Nuts clarity C. Adjustment bolt 2-12 Toro 30” Aerator Service Manual...

  • Page 23: Drive Wheel Chain Tension Adjustment

    Fig. 005 fig. 18 G018143 A. 3-1/8” (7.9cm) Fig. 004 fig. 17 G006131 8. Tighten the cable adjustment nuts. A. Spring disc washers 9. Check the parking brake; repeat steps 5 through 8 if necessary. Toro 30” Aerator Service Manual 2-13...

  • Page 24: Adjusting The Brake Switch

    6. If adjustment is required, loosen the bolt holding the parking brake switch bracket and adjust the distance between the parking brake switch bracket and the hydro brake arm to be 1/8” (3.2mm). 7. Tighten the bolt holding the parking brake bracket. 2-14 Toro 30” Aerator Service Manual...

  • Page 25: Controls System Maintenance

    4. • If the control levers do not contact the reference bar, then proceed to step 4. Fig. 007 fig. 20 G020223 A. Spring clevis pin C. Turnbuckle B. Locknut Toro 30” Aerator Service Manual 2-15...

  • Page 26: Hydraulic System Maintenance

    Oil level should be to the top of the hydraulic system. baffle inside the tank. If not, add oil. Use Toro Hydro 3. Unscrew the suction hose from the pump fitting, Oil. Replace hydraulic reservoir cap and tighten until clean around the pump fitting, and allow oil to drain.

  • Page 27: Change Hydraulic Transmission Filters And Fluid

    Warning Important: Before reinstalling new filters, apply a thin coat of Toro Premium Hydro Oil on the Engine must be running and drive wheels must surface of the filters rubber seal. be turning so motion control adjustment can be performed.

  • Page 28: Tine Maintenance

    3. Check the chains on both sides of the unit for proper tension. The chains should be able to move up and down 1/4-1/2” (6-12mm). 4. Adjust the idler sprocket. 5. Recheck the chain tension and tighten the idler bolt. 2-18 Toro 30” Aerator Service Manual...

  • Page 29: Chassis

    F. Guard - chain, RH J. Tube, manual C. Weight G. Guard - chain, LH K. Platform assembly D. Access cover H. Plate, serial no. (1x5) Bolt installed from the bottom in this location only. Toro 30” Aerator Service Manual...

  • Page 30: Lubricate Caster Wheel Hubs

    Reapply thread locking damage and replace if necessary. adhesive. 6. Pack the bearings with a NGLI grade #1 multi- purpose grease. 7. Insert one bearing, one new seal into the wheel. Note: Replace the seals. Toro 30” Aerator Service Manual...

  • Page 31: Caster Wheel Assembly Replacement

    Fig. 010 DSC-00139 5. Remove the upper tapered roller bearing from the caster wheel pivot tube (Fig. 013). 2. Remove the nut from the caster fork shaft (Fig. 011). Fig. 013 DSC-00144 Fig. 011 DSC-00140 Toro 30” Aerator Service Manual...
  • Page 32 Fig. 016 DSC-00152 7. Remove the lower tapered roller bearing (Fig. 015). 9. Remove the nut securing the caster wheel axle bolt, then remove the axle bolt (Fig. 017). Fig. 015 DSC-00149 Fig. 017 DSCN-0376a Toro 30” Aerator Service Manual...
  • Page 33 Note: The spacer nuts are both threaded onto the caster axle. One of the spacer nuts will need to be removed after it has been removed from the caster wheel (Fig. 020). Fig. 020 DSCN-0383a Toro 30” Aerator Service Manual...

  • Page 34: Caster Wheel Assembly Installation

    (Fig. 023). Fig. 021 DSCN-0387a Fig. 023 DSCN-0407a 14. Remove the LH and RH tapered bearings (Fig. 022). 2. Install the bearing into the wheel hub (Fig. 024). Fig. 022 DSCN-0389a Fig. 024 DSCN-0389a Toro 30” Aerator Service Manual...
  • Page 35 5. Fill the center of the wheel hub with high tempera- Note: There should be approximately 3 internal ture grease (Fig. 026). spacer nut threads visible on both sides, indicating the axle is centered. Fig. 026 DSCN-0406a Fig. 028 DSCN-0379a Toro 30” Aerator Service Manual...
  • Page 36 9. Secure the caster wheel assembly to the caster fork Note: A socket can be used as a driver. Take care not to scar the race surface (Fig. 032). using the axle bolt and nut (Fig. 030). Fig. 030 DSCN-0376a Fig. 032 hammer Toro 30” Aerator Service Manual...
  • Page 37 (Fig. 035). Fig. 033 DSCN-0407a Fig. 035 DSCN-0414a 12. Install the lower bearing into the pivot tube (Fig. 14. Install the upper bearing into the pivot tube (Fig. 034). 036). Fig. 034 DSCN-0416a Fig. 036 DSCN-0418a Toro 30” Aerator Service Manual...
  • Page 38 Note: Bottom: Crown Up / Middle: Crown Down / 17. Secure the caster wheel and fork assembly with the Top: Crown up (Fig. 038). nut (Fig. 040). Fig. 038 DSCN-0423a Fig. 040 3-10 Toro 30” Aerator Service Manual...
  • Page 39 20. Install a grease zerk into the port on the side of the pivot hub (Fig. 042). Fig. 044 DSCN-0436a 23. Install the grease cap onto the top of the pivot hub (Fig. 045). Fig. 042 DSCN-0434a Fig. 045 DSC-00139a Toro 30” Aerator Service Manual 3-11...

  • Page 40: Exploded View - Tower

    (Fig. 046) Fig. 046 subsystem tower A. LH side panel assembly E. Control - choke B. RH side panel assembly F. Cable - brake C. Assembly - console G. Control - throttle D. Cushion 3-12 Toro 30” Aerator Service Manual...

  • Page 41: Adjusting The Parking Brake

    8. Tighten the cable adjustment nuts. hydro brake arm to be 3.2mm (1/8”). 9. Check the parking brake; repeat steps 5 through 8 if 7. Tighten the bolt holding the parking brake bracket. necessary. Toro 30” Aerator Service Manual 3-13...

  • Page 42: Fuel System

    A. Support, fuel tank C. Clamp B. Fuel tank assembly D. Valve, fuel Torque fuel tank clamp bolts to 200 + 25 in-lbs. (27.5 + 2.8 Nm). Install filter matching flow direction ( ). 3-14 Toro 30” Aerator Service Manual...

  • Page 43: Motion Control System

    E. Link, bell crank control H. Damper, control, motion C. Bell crank with arm F. Link, bell crank control Grip, lever, control Apply grease to bell crank. Note: use Mobil™ high temperature XHP 222 grease (or equivalent). Toro 30” Aerator Service Manual 3-15...

  • Page 44: Motion Control Linkage Adjustment

    (as viewed from the top of the machine) (Fig. 053). Repeat this step until there is a gap between the control lever and the front reference bar. Fig. 053 clevis pin 3-16 Toro 30” Aerator Service Manual...

  • Page 45: Axle Bearing Assembly Replacement

    2. Remove the drive tire on the side you are working 3. Remove the lock nut securing the hub to the axle shaft (Fig. 055). Remove the hub. Fig. 057 IMG-1052 Fig. 055 IMG-1045a Toro 30” Aerator Service Manual 3-17...

  • Page 46: Axle Bearing Assembly Installation

    Nm) while turning the hub, loosen it, then re-torque to 14 ft-lbs. (19.0 Nm). Loosen the castle nut to the first available slot that allows the cotter pin to be inserted and bent open. Fig. 059 IMG-1059 3-18 Toro 30” Aerator Service Manual...
  • Page 47 4. Reinstall the chain onto the sprocket and replace the and re-tighten with very little play in the chain. (Fig two tines that were previously removed (Fig. 062). 064). Fig. 064 Fig. 062 IMG-1056a IMG-1052a Toro 30” Aerator Service Manual 3-19...
  • Page 48 310-325 ft-lbs. (420-440 Nm) (Fig 065). Fig. 065 IMG-1045a 8. Install the tire and torque the lug nuts to 125-130 ft- lbs. (169-176 Nm). 9. Lower the unit to the ground, test drive and re-check the chain tension. 3-20 Toro 30” Aerator Service Manual...

  • Page 49: Hydraulics & Engine Mounting

    (resting on the ground) and Apply Loctite (202) to set screws. Torque to 105 fluid temperature at 71 + 10 F (21.6 + 6.6 ® + 10 in-lbs. (12 + 1 Nm) Toro 30” Aerator Service Manual...

  • Page 50: Valve Manifold

    A. Connect “A” with blind end of cylinder with hose B. Connect “P” to pressure side of pump with hose C. Connect “B” to rod end of cylinder D. Connect “T” to oil filter using hose Toro 30” Aerator Service Manual...

  • Page 51: Auxiliary Hydraulic Subsystem

    HYDRAULICS & ENGINE MOUNTING Auxiliary Hydraulic Subsystem (Fig. 068) Fig. 068 subsystem aux hydraulic 2 Toro 30” Aerator Service Manual...

  • Page 52: Checking The Transmission Expansion Tank Hydraulic Oil

    2. Let the unit cool. With the unit cold, check the expansion tank and if necessary add Toro Hydro Oil 3. Loosen the four (4) bolts inside the frame securing to the Full Cold line. DO NOT OVERFILL.
  • Page 53 HYDRAULICS & ENGINE MOUNTING 4. Check the hydraulic reservoir and if necessary fill the 5. Replace the hydraulic reservoir cap and tighten until reservoir to the appropriate level with Toro Hydro Oil snug. DO NOT OVERTIGHTEN. (Fig. 071). 6. Install the previously removed rear pad and tighten Note: Hydraulic oil fill level to be between “COLD”...

  • Page 54: Changing Auxiliary Hydraulic Reservoir Fluid And Filter

    4. Unscrew the filter to remove and allow oil to drain. Reservoir Fluid and Filter 5. Apply a thin coat of Toro Hydro Oil to the surface of the rubber seal on the new oil filter. Turn the filter Service Interval: After the first 100 hours, every 250...

  • Page 55: Changing Hydraulic Transmission Filters And Fluid

    2. Locate the two filters under the transmissions. Remove filter guards (Fig. 075). Fig. 076 expansion tank Toro Premium Hydro Oil s recom mended. Refer to the chart for an acceptable alternative: Fig. 075 hyd filter Hydro Oil Change Interval...

  • Page 56: Transmission Belt Replacement

    (except for what can be drained when changing filters) unless it is felt the oil has been contaminated or has been extremely hot. Changing the oil unnecessarily could damage the hydraulic system by introducing Fig. 078 IMG-0005 contaminants into the system. Toro 30” Aerator Service Manual...
  • Page 57 6. Remove the front two transmission support plate unit completely and set aside (Fig. 079 and Fig. bolts. Install the two nuts, finger tight (Fig. 081 and 080). Fig. 082). Fig. 079 IMG-0012 Fig. 081 IMG-0017 Fig. 080 IMG-0011 Fig. 082 IMG-0014 Toro 30” Aerator Service Manual...
  • Page 58 8. Remove the tension on the drive chains on both mission skid plate and apply slight upward pressure sides (Fig. 084 and Fig. 085). (Fig. 083). Fig. 084 IMG-0020a Fig. 083 IMG-0019 Fig. 085 IMG-0021 4-10 Toro 30” Aerator Service Manual...

  • Page 59: Transmission Belt Installation

    9. Tighten all six nuts (three on each side) and then back off one turn each to allow chain tension adjustment later. Remove the floor jack (Fig. 089). Fig. 087 IMG-0024 Fig. 089 IMG-0022a Toro 30” Aerator Service Manual 4-11...
  • Page 60 (Fig. 091). Fig. 092 tensioner A. 2-3/8” 9. Verify all hardware is tight and use the floor jack to remove the jack stands and lower the unit to the Fig. 091 front mount bolts ground. 4-12 Toro 30” Aerator Service Manual...

  • Page 61: Transmission Replacement

    Loosen the jam nuts (A), then loosen the tighten- ing bolt (B) (Fig. 096). 2. Remove the parking brake cable by loosening the jam nuts and feeding cable through opening (Fig. 094). Fig. 096 tightener bolt Fig. 094 park brake Toro 30” Aerator Service Manual 4-13...
  • Page 62 5. Remove the right and left side chain guards (Fig. 098). 8. Disconnect the bell crank control links from the bell cranks (Fig. 100). Fig. 098 chain guard Fig. 100 linkage removal 4-14 Toro 30” Aerator Service Manual...
  • Page 63 Dispose of used towels properly (Fig. 104). Fig. 101 tensioner Fig. 103 hose 10. Remove the stationary idler on the RH side of the unit (Fig. 102). Fig. 104 towel Fig. 102 idler Toro 30” Aerator Service Manual 4-15...
  • Page 64 15. Slowly lower the jack to gain access to the drive belt. While lowering, work the belt off the PTO shaft of the engine (Fig. 108). Once the belt is off, lower the transaxle out of the chassis. Fig. 106 IMG-0019 Fig. 108 belt 4-16 Toro 30” Aerator Service Manual...

  • Page 65: Transmission Installation

    (Fig. 112). Torque bolt to 30 ft-lbs. (41 Nm). 2. Slowly raise the tran saxle until the bolts are almost to the frame. Install the drive belt over the PTO clutch (Fig. 110). Fig. 112 idler Fig. 110 belt Toro 30” Aerator Service Manual 4-17...
  • Page 66 (Fig. 116). A. 2-3/8” 6. Reconnect the bell crank control links to the bell cranks (Fig. 114). Fig. 116 yoke Fig. 114 linkage removal 4-18 Toro 30” Aerator Service Manual...
  • Page 67 AWAY from the forward direction of chain travel (Fig. 119). Fig. 117 connector Fig. 119 chain install 10. Reconnect the hydro hoses to the overflow tank (Fig. 118). (Fig. 120) Fig. 118 hose Fig. 120 outside connect link transaxle Toro 30” Aerator Service Manual 4-19...

  • Page 68: Transaxle Chain Tensioning

    (Fig. 121). Fig. 121 trans adj plate Fig. 122 fig. 16 G020261 A. Hydro mounting bolts D. 6-12mm (1/4”-1/2”) & nuts E. Guard removed for B. Nuts clarity C. Adjustment bolt 4-20 Toro 30” Aerator Service Manual...

  • Page 69: Hydraulic Pump Belt Removal & Installation

    3. Work the old belt off of the pump pulley. 4. Place the new belt over the PTO pulley and work the new belt around the pump pulley (Fig. 125). Fig. 123 chain guard Fig. 125 pump belt install Toro 30” Aerator Service Manual 4-21...

  • Page 70: Idler Arm Removal & Installation

    Fig. 127 tensioner idler 3. Install new idler arm. Torque nut to 20 ft. lbs. (27 Nm). Fig. 126 engine pump pulley & idler 6. Tighten the idler bolt to 20 ft-lbs. (27 Nm). 4-22 Toro 30” Aerator Service Manual...

  • Page 71: Return To Neutral Setting

    Fig. 128 return to neutral_a C. RTN adjusting screw D. Speed & direction Follow all safety procedures outlined in the control arm vehicle owner’s manual. Toro 30” Aerator Service Manual 4-23...

  • Page 72: Hydraulic Pump Rebuild

    A. Snap ring E. Upper seal Driven gear M. Body B. Shaft seal F. Thrust plate J. Thrust plate N. O-ring seal C. Front cover G. Key K. Seal D. Antiextrusion H. Drive shaft L. Antiestrusion 4-24 Toro 30” Aerator Service Manual...
  • Page 73 (Fig. 130). 132). Fig. 130 0001_a Fig. 132 0003_a 2. Remove the rear cover (Fig. 131). 4. Remove the O-ring from one side of the body (Fig. 133). Fig. 131 0002_a Fig. 133 0004a_a Toro 30” Aerator Service Manual 4-25...
  • Page 74 6. Remove and replace the O-ring on opposite side. drive shaft and thrust plate from the front cover (Fig. 137). 7. Remove the seal and antiestrusion from the thrust plate assembly (Fig. 135). Fig. 137 0008_a Fig. 135 0006_a 4-26 Toro 30” Aerator Service Manual...
  • Page 75 12. Remove the seal (Fig. 140). replace with new (Fig. 138). Fig. 140 0011_a Fig. 138 0009_a 13. Install new seal (Fig. 141). 11. Remove the snap ring (Fig. 139). Fig. 141 0012_a Fig. 139 0010_a Toro 30” Aerator Service Manual 4-27...

  • Page 76: Hydraulic Pump Assembly

    HYDRAULICS & ENGINE MOUNTING 14. Install the snap ring (Fig. 142). Fig. 142 0010_a 15. Reassemble pump. Hydraulic Pump Assembly (Fig. 143) Torque bolts to 14-18 ft-lbs. (19-25 Nm). Fig. 143 hyd pump asm 4-28 Toro 30” Aerator Service Manual...

  • Page 77: Hydraulic Cylinder Rebuild

    HYDRAULICS & ENGINE MOUNTING Hydraulic Cylinder Rebuild (Fig. 144) Fig. 144 Hyd cyl removal A. Hydraulic cylinder assembly B. Assembly, hydraulic hose C. Assembly, hydraulic hose Toro 30” Aerator Service Manual 4-29...
  • Page 78 5. Remove the piston stack from the piston shaft. Make sure you have all the replacement parts needed (Fig. 148). Fig. 145 spanner 1_a 3. Remove the piston assembly from the cylinder (Fig. 146). Fig. 148 parts_a Fig. 146 piston_a 4-30 Toro 30” Aerator Service Manual...
  • Page 79 Fig. 151 large o-ring_a 7. Remove and replace the yellow outer band and the 9. Remove and replace the inner wiper (Fig. 152). black inner band (Fig. 150). Fig. 152 wiper_a Fig. 150 bands_a Toro 30” Aerator Service Manual 4-31...
  • Page 80 50 ft-lbs (69 Nm) (Fig. 154). 13. Insert the retaining ring in the slot making sure it catches in the catch hole (Fig. 156). Fig. 154 piston stack_a Fig. 156 insert ring_a 4-32 Toro 30” Aerator Service Manual...
  • Page 81 (Fig. 157). Fig. 157 spanner 1_a 15. Install cylinder into chassis. Connect the hoses and fill the hydraulic reservoir with oil. Start the unit and purge the system of any air. Check for leaks. Toro 30” Aerator Service Manual 4-33...

  • Page 82: Engine

    B. Screw - engine mount C. Screw - pulley Adjust high idle 3600 + 50 Torque to 17 - 23 ft-lbs. (23 - 31 Nm) Torque to 55 + 6 ft-lbs. (76 + 8 Nm) 4-34 Toro 30” Aerator Service Manual...

  • Page 83: Engine Pulley

    HYDRAULICS & ENGINE MOUNTING Engine Pulley (Fig. 159) Fig. 159 engine pulley A. Pulley D. Washer, spring (2) B. Key E. Screw C. Washer, clutch Toro 30” Aerator Service Manual 4-35...

  • Page 84: Engine Replacement

    4. Disconnect the positive (+) wires from the starter solenoid and secure out of the way (Fig. 163). Fig. 160 pos cable 2. Turn off fuel valve (Fig. 161). Fig. 163 battery cable Fig. 161 fuel valve 4-36 Toro 30” Aerator Service Manual...
  • Page 85 Mark the wires with tape or a marker to ensure they get reinstalled correctly (Fig. 166). Fig. 164 harness Fig. 166 cables 6. Disconnect the ground wires from the engine block (Fig. 165). Fig. 165 ground wires Toro 30” Aerator Service Manual 4-37...

  • Page 86: Engine Installation

    (Fig. 168). Fig. 169 eng mt 2. Install the PTO pulley. Torque to 56 + 6 ft-lbs. (76 + 8 Nm) (Fig. 170). Fig. 168 eng mt bolts 12. Remove engine. Fig. 170 engine pulley 4-38 Toro 30” Aerator Service Manual...
  • Page 87 Fig. 173 harness 8. Connect the fuel line and emissions line to the engine (Fig. 174). Fig. 171 cables 6. Install the ground wires (Fig. 172). Fig. 174 lines new Fig. 172 ground wires Toro 30” Aerator Service Manual 4-39...
  • Page 88 9. Turn on fuel valve. 10. Connect positive (+) wires to the starter solenoid (Fig. 175). Fig. 175 battery cable 11. Connect positive and negative wires to the battery (Fig. 176). Fig. 176 pos cable 4-40 Toro 30” Aerator Service Manual...

  • Page 89: Ground Drive & Tine Systems

    D. Torque to 45-55 ft-lbs. (62-76 Nm). J. Torque to 32 + 3 ft-lbs. (44 + 4 Nm). E. Route transmission expansion hoses over the K. Inflate tire to 12-14 psi (83-97kPa). Toro 30” Aerator Service Manual...

  • Page 90: Chains

    Split end of chain clasp must be oriented away from the end of chain clasp must be oriented away from the forward direction of chain travel. forward direction of chain travel. Toro 30” Aerator Service Manual...

  • Page 91: Aerator Assembly

    H. Torque to 27 + 3 ft-lbs. (37 + 4 Nm) shaft bearing. Use Loctite 243 for lock collar screws. Tighten locking collar to tine shaft. Torque to 12-14 ft-lbs. (16-19 Nm). Tine idler must turn freely. Toro 30” Aerator Service Manual...

  • Page 92: Tinebar Chain Assembly

    Fig. 181 drive chains Fig. 180 tine chain connector link 2. Loosen the drive wheel tensioners (A) and remove the spring clips, cover plates, master links (B) and chains (C) (Fig. 182). Fig. 182 drive tensioner Toro 30” Aerator Service Manual...
  • Page 93 6. Slide the inner tines and lock collar to the outside of the machine (Fig. 186). 4. Loosen the tensioners and remove the spring clips, cover plates, master links and chains (Fig. 184). Fig. 186 slide tines Fig. 184 idler sprocket Toro 30” Aerator Service Manual...

  • Page 94: Tine Wheel Assembly

    Fig. 189 tine asm 8. Loosen the bolts holding the inner flange bearings (Fig. 188). Tine Wheel Assembly (left side shown) (Fig. 190) Fig. 188 inner flange brgs Fig. 190 tine wheel LH Toro 30” Aerator Service Manual...

  • Page 95: Coring Tine Removal & Replacement

    Torque bolts to 27 ft-lbs. (37 Nm) (Fig. 193). Fig. 191 tine R&R 2. Replace tine. Torque bolt to 20 ft-lbs. (27 Nm) Fig. 193 inner flange brg bolt install Toro 30” Aerator Service Manual...
  • Page 96 Make sure the grease fittings on the bearings face the rear of the unit. Torque bolts to 27 ft-lbs. (37 Nm) (Fig. 195). Fig. 197 inside chain Fig. 195 inner flange brgs Toro 30” Aerator Service Manual...

  • Page 97: Jackshaft Replacement

    3. Loosen the three nuts on each of the chain tensioner plates on the top side until the nut is free from the nyloc portion (Fig. 201). Fig. 199 drive tensioner A. 3/8” movement Fig. 201 tightener bolt Toro 30” Aerator Service Manual...
  • Page 98 5. Jack up the rear of the unit. Turn the rear wheel until the master link is accessible on the transmission chain. Remove the master link, cover plate, and spring clip (Fig. 203). Fig. 205 idler sprocket Fig. 203 master links 5-10 Toro 30” Aerator Service Manual...
  • Page 99 Remove the chain 11. Loosen the set screws on all three flange bearing assemblies. Note: There are two set screws per flange bearing (Fig. 207). Fig. 209 brg & plate Fig. 207 set screws Toro 30” Aerator Service Manual 5-11...

  • Page 100: Jackshaft Installation

    Fig. 211 shaft install 2. Install the outer flange bearing and jack shaft plate. Re-install the bolts and tighten them to 30 ft-lbs (41 Nm) (Fig. 212). Fig. 212 brg & plate inst 5-12 Toro 30” Aerator Service Manual...
  • Page 101 INSIDE of the forward direction of rotation (Fig. 216). machine. Install spring clip so the opening is away from forward direction of rotation (Fig. 214). Fig. 216 tine chain connector link Fig. 214 inside chain Toro 30” Aerator Service Manual 5-13...
  • Page 102 8. Install the transmission chain. Ensure that the cover plate and spring clip are to the OUTSIDE of the machine. Install the spring clip so the opening is away from forward direction of rotation (Fig. 218). Fig. 218 outside connect link transaxle 5-14 Toro 30” Aerator Service Manual...
  • Page 103 12-14 ft-lbs. (16-19 Nm) (Fig. 221). Fig. 220 fig. 16 G020261 Fig. 221 set screws A. Hydro mounting bolts D. 6-12mm (1/4”-1/2”) & nuts E. Guard removed for B. Nuts clarity C. Adjustment bolt Toro 30” Aerator Service Manual 5-15...
  • Page 104 GROUND DRIVE & TINE SYSTEMS 16. Install chain guard. Torque bolts to 20 ft-lbs. (27 Nm) (Fig. 222). Fig. 222 chain guard 17. Test drive unit and re-check chain tension. If too loose or too tight, readjust tension. 5-16 Toro 30” Aerator Service Manual...

  • Page 105: Electrical

    NO continuity between the terminals not listed for the switch position (see table). Position Circuit “Make” 1. OFF None 2. RUN B + R + I + A 3. START B + R + I + S Toro 30” Aerator Service Manual...

  • Page 106: Foot Switch

    2. With the button pushed there should be continuity nearest your right foot when standing on platform (Fig. between the two connectors. With the button not 225). pushed there should be no continuity. Fig. 225 fig. 5 G018375 Toro 30” Aerator Service Manual...

  • Page 107: Starter Solenoid

    4. You should be able to hear the solenoid switch “click” when you make the connection (Fig. 228). Fig. 227 starter solenoid Fig. 228 IMG-1198a A & B Coil Terminals C & D Contact Terminals Toro 30” Aerator Service Manual...

  • Page 108: Parking Brake Switch

    2. With a multimeter set to the “Ohms” setting or use a continuity light. Verify that there is continuity between the terminals (plunger in). 3. With the plunger out, there should be NO continuity between the terminals. Toro 30” Aerator Service Manual...

  • Page 109: Fuse Block & Fuses

    The fuse block is located on the right hand side of the melted element inside the fuse cover or a damaged unit, from the operator position, near the fuel tank (Fig. spade (Fig. 232). 231). Fig. 232 IMG-1214a Fig. 231 fuse block Toro 30” Aerator Service Manual...

  • Page 110: Hour Meter

    Fig. 234 If the hour meter isn’t working, disconnect the hour meter positive wire. Turn the key to on/run and check for voltage to the positive wire. If voltage is present, the meter is faulty. Toro 30” Aerator Service Manual...

  • Page 111: Testing

    30 and 87a. Apply +12 VDC to terminal 85. With terminal 86 still grounded, the relay should break and make continuity between terminals 30 and 87a as 12 VDC is applied and removed from terminal. Toro 30” Aerator Service Manual...
  • Page 112 ELECTRICAL 5. Disconnect voltage and multimeter leads from relay terminals (Fig. 237). Fig. 237 xl relay Toro 30” Aerator Service Manual...

  • Page 113: Subsystem Electrical Diagram

    Subsystem Electrical Diagram Fig. 238 subsystem electrical 1 A. Hour meter D. Relay, 12 VDC-40 Amp F. Switch, single pole normally B. Switch, ignition E. Fuses, 20 Amp open C. Wiring harness G. Switch, foot Toro 30” Aerator Service Manual...

  • Page 114: Wiring Harness Diagram

    ELECTRICAL Wiring Harness Diagram Fig. 239 wiring harness A. Hour meter C. Wiring harness E. Fuses, 20 Amp B. Switch, ignition D. Relay, 12 VDC-40 Amp F. Switch, single pole normally open 6-10 Toro 30” Aerator Service Manual...

  • Page 115: Electrical Diagram

    ELECTRICAL Electrical Diagram Fig. 240 elec diag_1 Toro 30” Aerator Service Manual 6-11...

  • Page 116: Electrical Schematic

    ELECTRICAL Electrical Schematic Fig. 241 elec scheme_1 6-12 Toro 30” Aerator Service Manual...
  • Page 118 30 inch Stand-On Aerator Service Manual Form Number 492-9332...

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