Toro Lawn-Boy TimeCutter Z Series Service Manual

Toro Lawn-Boy TimeCutter Z Series Service Manual

Zero radius turn riding mower
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Zero Radius Turn Riding Mower
Service Manual

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Summary of Contents for Toro Lawn-Boy TimeCutter Z Series

  • Page 1 Consumer Products ® ® TimeCutter Precision Zero Radius Turn Riding Mower Service Manual...
  • Page 2 The Toro Company Consumer Service Training Department 8111 Lyndale Avenue South Bloomington, MN 55420 The Toro Company reserves the right to change product specifi cations or this manual without notice. Copyright© All Rights Reserved ©2007 The Toro Company...
  • Page 3: Table Of Contents

    Think Safety First ........A1-2 SPECIFICATIONS ® General Specifi cations Toro TimeCutter Z ......A2-2 ®...
  • Page 4 TABLE OF CONTENTS HYDRO-GEAR TRANSAXLE cont. Actuator Arm Installation ....... . 4-14 310-2200 EZT™...
  • Page 5 TABLE OF CONTENTS MOWER DECKS - 38”/42”, 44” AND 48” DECK ASSEMBLIES cont. 44” Mower Decks Leveling the Mower from Side-to-Side ......Adjusting the Front-to-Rear Blade Slope .
  • Page 6 TABLE OF CONTENTS THIS PAGE INTENTIONALLY LEFT BLANK. TimeCutter Z / Precision Z Service Manual...
  • Page 7: Safety Information

    SAFETY INFORMATION ® ® TIMECUTTER Z / PRECISION Z SERVICE MANUAL Safety Information ......Specifi cations ......Chassis .
  • Page 8: General Information

    - read the instruction because it has to practices. Operator’s manuals are available through do with your safety. Failure to comply your Toro parts source or: with the instruction may result in personal injury or even death. The Toro Company...
  • Page 9: Specifications

    SPECIFICATIONS ® ® TIMECUTTER Z / PRECISION Z SERVICE MANUAL Safety Information ......Specifi cations ......Chassis .
  • Page 10: General Specifi Cations Toro Timecutter ® Z

    SPECIFICATIONS ® General Specifi cations - Toro TimeCutter Item Specifi cation Engines All units were manufactured with Briggs & Stratton engines ranging from 14 to 17 horsepower. For information on servicing the engine, contact Briggs & Stratton Corporation. RPM setting,...
  • Page 11 SPECIFICATIONS Item Specifi cation Mower Decks 38” (97cm) cut, right side discharge, two blade mid-mount rotary. Drawn 13 gauge steel deck with welded mounting brackets. Frame supported 42” (107cm) right side discharge, two blade mid-mount rotary. Drawn 13 gauge steel deck with welded mounting brackets.
  • Page 12: General Specifi Cations - Lawn-Boy Precision Z

    SPECIFICATIONS General Specifi cations - Lawn-Boy Precision Z Item Specifi cation Engines Units were manufactured with Briggs & Stratton and Honda engines ranging from 390cc to 530cc displacement. For information on servicing the engines, contact Briggs & Stratton Corporation or Honda. RPM setting, High RPM Setting (no load) 3300 ±...
  • Page 13 SPECIFICATIONS Item Specifi cation Mower Decks 38” (97cm) cut, right side discharge, two blade mid-mount rotary. Drawn 13 gauge steel deck with welded mounting brackets. Frame supported. 42” (107cm) cut, right side discharge, two blade mid-mount rotary. Drawn 13 gauge steel deck with welded mounting brackets.
  • Page 14: Hydrostatic Transaxles

    SPECIFICATIONS Hydrostatic Transaxles Identifi cation: Hydro-Gear EZT Hydrostatic Transaxles MVC-204X Transaxle Specifi cations Lubrication SAE 20W-50 API Classifi cation SH/CD Oil Capacity 1.6 to 1.7 qt. (1.5 to 1.6 liters) Oil Level The transaxle is a sealed system and does not require periodic checking. Check oil at the oil fi...
  • Page 15: Hydrostatic Transaxles Cont

    SPECIFICATIONS Hydrostatic Transaxles cont. Note: If you are replacing the transaxle, after you have installed the hydro rods, remove the nut and washer located on the cam plate. Also, check the oil prior to installation. MVC-205X MVC-206X TimeCutter Z / Precision Z Service Manual A2-7...
  • Page 16: 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 17: Standard Torque For Dry, Zinc Plated, And Steel Fasteners (Inch Series)

    SPECIFICATIONS Standard Torque for Dry, Zinc Plated, and Steel Fasteners (Inch Series) Grade 1, 5, & SAE Grade 1 Bolts, Screws, SAE Grade 5 Bolts, Screws, SAE Grade 8 Bolts, Screws, 8 with Thin Studs, & Sems with Regular Studs, & Sems with Regular Studs, &...
  • Page 18: Standard Torque For Dry, Zinc, And Steel Fasteners (Metric Fasteners)

    SPECIFICATIONS Standard Torque for Dry, Zinc, and Steel Fasteners (Metric Fasteners) Class 8.8 Bolts, Screws, and Studs with Class 10.9 Bolts, Screws, and Studs with Thread Size Regular Height Nuts Regular Height Nuts ( (Class 8 or Strong Nuts) Class 10 or Strong Nuts) M5 X 0.8 57 ±...
  • Page 19: Chassis

    CHASSIS TIMECUTTER Z SERVICE MANUAL Safety Information ........Specifications .
  • Page 20: Model And Serial Number Location

    CHASSIS Model and Serial Number Location Greasing and Lubrication The unit model and serial number plate is located on The unit should be greased every 25 hours or more the frame under the seat as shown in the illustration often when operated in dusty, dirty or sandy conditions. (Figure 3).
  • Page 21: Front Castor Fork Removal And Installation

    CHASSIS Front Castor Fork Removal and Installation Installation Follow the removal procedure in reverse. Removal Castor Support Removal Park the machine on a level surface, disengage the blade control (PTO), and turn the ignition key Raise the front end of the unit (Figure 9). to OFF to stop the engine.
  • Page 22: Side Panel Removal

    CHASSIS Installation Remove the two carriage bolts and nuts fastening the front bracket support to the frame and remove Reverse the order of removal. The mower deck, front- the bracket (Figure 12). to-rear blade scope, needs to be adjusted, Refer to “Adjusting the Front-to-Rear Blade Slope”...
  • Page 23: Right Side Panel And Gas Tank Removal

    CHASSIS Right Side Panel and Gas Tank Remove the two bolts holding rear bracket support to the brace assembly (Figure 16). Removal Before removing the right side panel, disconnect the negative battery cable and shut the fuel off at the fuel valve, located under the fuel tank. The left side panel must be removed first before the right side panel can be removed.
  • Page 24: Installation

    CHASSIS Disconnect the gas line at the carburetor. Unbolt the flange bearing from the left side of the Remove the two spring clips located at the bottom unit and remove from the end of the lift arm shaft of the gas tank, disconnect the gas line and (Figure 20).
  • Page 25: Belt Replacement

    CHASSIS Belt Replacement Disconnect the spring connected to the rear idler arm and remove the lower drive belt off the engine pulley and around the left transaxle pulley (Figure Removal 24). Before removing or replacing the belt, disconnect the negative battery cable and shut the fuel off at the fuel valve, located under the fuel tank.
  • Page 26: Belt Installation

    CHASSIS Belt Installation Apply anti-seize lubricant on the crankshaft and install the electric PTO clutch on the engine crankshaft; make sure the slot on the clutch goes Install belt around the upper groove of the engine into the clutch stop bracket. drive pulley and then around the right side transaxle pulley.
  • Page 27: Hydro-Gear Transaxle

    HYDRO-GEAR TRANSAXLE TIMECUTTER Z SERVICE MANUAL Safety Information ........Specifications .
  • Page 28: Hydro-Gear (310-2200) Ezt™ Transaxles

    Gear Transaxle Service Manual, Form # 492-4778. Note: Under warranty, the transaxles should NOT be disassembled or internally repaired, unless authorized by either your Distributor Service Manager or The Toro Company. Fluid Change The Hydro-Gear transaxles do not require periodic oil changes under normal conditions.
  • Page 29 HYDRO-GEAR TRANSAXLE Remove the bolt, washer, and spacer retaining the Remove the 4 bolts and washers on the left side brake arm on both the right and left transaxles. of the frame (Figure 33). Make sure dirt and debris is cleaned off around the vent hose connected to each transaxle, then remove the vent hoses.
  • Page 30: Removing Transaxles From The Hydro Mount Frame

    HYDRO-GEAR TRANSAXLE Slowly lower the hydro frame and the transaxles 12. Hydro mount frame and the two transaxles down about half way out of the frame of the unit removed from the frame of the unit (Figure 37). and stop. Figure 37 mvc-105 Figure 35...
  • Page 31: Assembly

    HYDRO-GEAR TRANSAXLE Remove the two bolts, washers, and nuts Wheel Hub Removal securing the transaxle to the hydro frame and remove the transaxle from the hydro frame (Figure Remove the bolt holding the locking tab to the hub 39). (Figure 41). Figure 39 mvc-110 Figure 41...
  • Page 32: Transaxle Installation

    HYDRO-GEAR TRANSAXLE Transaxle Installation Install the 4 bolts on both the right and left sides of the frame and tighten (Figure 45). Slide the hydro frame/transaxles under the frame (Figure 43). Figure 45 mvc-739 Install and tighten the four bolts on the right and Figure 43 mvc-114 left support brackets (Figure 46).
  • Page 33 HYDRO-GEAR TRANSAXLE Install the transaxle vent tubes to the transaxles. Put a floor jack under the frame and raise the unit. Make sure the protective caps fit under the rear Remove the floor jack stands and install the right bracket support (Figure 47). and left rear tires.
  • Page 34: Purging Procedures - Hydro-Gear Transaxles

    HYDRO-GEAR TRANSAXLE 13. After any service where control linkage was Purging Procedures – Hydro-Gear disturbed or after purging procedures have been Transaxles performed, check the neutral adjustment. If the neutral adjustment needs to be performed, refer to Due to the effects air has on efficiency in hydrostatic “Neutral Adjustment”...
  • Page 35: Neutral Adjustment

    HYDRO-GEAR TRANSAXLE Neutral Adjustment Unplug the seat switch and temporarily connect a jumper wire across the plug connector on the harness (Figure 54). Before making a neutral adjustment, the transaxles must be warmed up, usually 5 to 10 minutes. Steps to perform neutral adjustment: Jack-up and support the rear end of the unit.
  • Page 36 HYDRO-GEAR TRANSAXLE Observe the rear tire to see if the wheel is Move the control rod back and forth and watch the creeping in forward or reverse, in the neutral tire direction. Adjust the rod so that it is mid-point position (Figure 56).
  • Page 37: Tracking Adjustments

    HYDRO-GEAR TRANSAXLE 10. Reconnect the seat switch and lower the unit to Behind the right and left actuator arm is an eccentric the ground. Operate the equipment to make sure bushing. There is a bolt and nut through the center of the adjustments and the safety devices are the eccentric bushing.
  • Page 38: Actuator Arm Removal

    HYDRO-GEAR TRANSAXLE Pull back on the brake rod and adjust the nut on Move the forward/reverse handle to the park the end of the rod (Figure 63) until the tab at the position (handles out) and then back to the run bottom of the brake lever and the tab located on position (handles in).
  • Page 39 HYDRO-GEAR TRANSAXLE Remove the bolt and nut retaining the hydro rod to Remove the bolt and nut retaining the rear of the the actuator arm (Figure 67). hydro rod to the control arm and slide the hydro rod towards the rear (Figure 69). Figure 67 mvc-150 Figure 69...
  • Page 40: Actuator Arm Installation

    HYDRO-GEAR TRANSAXLE Remove the bolt and nut holding the bellcrank and Actuator Arm Installation remove (Figure 71). Slide the actuator on the welded stud and install a washer and nut and tighten (Figure 73). Figure 71 mvc-158 Slide the actuator off the welded stud (Figure 72). Figure 73 mvc-155 Install the park brake switch in the lower bellcrank...
  • Page 41 HYDRO-GEAR TRANSAXLE Install the brake link to the bellcrank with a nut and Connect the rear of the hydro rod to the transaxle tighten (Figure 75). control arm and tighten (Figure 76). Figure 75 Figure 76 mvc-162 mvc-103 Install the hydro rod to the actuator. TimeCutter Z Service Manual 4 - 15...
  • Page 42: 310-2200 Ezt™ Troubleshooting Checklist

    HYDRO-GEAR TRANSAXLE In many cases, problems with the 310-2200 are not WARNING related to a defective transaxle, but are caused by slipping drive belts, partially engaged bypass valves, Do not attempt any servicing or adjustments and loose or damaged control linkages. The table with the engine running.
  • Page 43: Electrical System

    ELECTRICAL SYSTEM TIMECUTTER Z SERVICE MANUAL Safety Information ........Specifications .
  • Page 44: Relay (Kill Relay)

    ELECTRICAL SYSTEM Electrical System Switch: Terminals 30, 87, and 87a are actually part of a single pole, double throw (SPDT) switch. Terminal 30 is the common lead. The switch is Two things happen when turning the ignition switch to spring loaded so that 30 and 87a are connected the “START”...
  • Page 45: Solenoid

    ELECTRICAL SYSTEM Disconnect voltage and multimeter leads from How it Works relay terminals (Figure 79). The solenoid has two primary parts. One, a coil of wire wrapped around an iron core. Whenever 12 volts is applied to the coil, it becomes a magnet. The other part is a bar type switch.
  • Page 46: Ignition Switch

    ELECTRICAL SYSTEM You should be able to hear the solenoid switch How it Works “click” when you make the connection (Figure 82). Detents inside the switch give it 3 positions: OFF, RUN, and START. The START position is spring loaded so the cylinder automatically returns to RUN once the key is released (Figure 84).
  • Page 47: Pto Switch

    ELECTRICAL SYSTEM PTO Switch How it Works When the PTO switch is pulled out to the ON position, Purpose contacts inside the switch electrically connect various terminals. One terminal is connected to the wire that The PTO (Power Take Off) switch is typically used to goes directly to the electric clutch.
  • Page 48 ELECTRICAL SYSTEM Figure 86 2-24 5 - 6 TimeCutter Z Service Manual...
  • Page 49: Electric Pto Clutch

    ELECTRICAL SYSTEM Electric (PTO) Clutch Coil Resistance Measurement Disengage the PTO, set the parking brake, turn Purpose the ignition to OFF, and remove the key. This clutch electrically controls the engagement and Disconnect clutch wire connector. disengagement of the Power Take Off (PTO) pulley. Set the multimeter or volt/ohm meter to check Location resistance (ohms).
  • Page 50: Park Brake Switch

    ELECTRICAL SYSTEM Turn the ignition key in the switch to “RUN” Location position and the PTO switch to the “ON” position. The park brake switches are located at the base of the If the meter is 3.5 amps or above, the system is actuator arm linkage.
  • Page 51: Testing

    ELECTRICAL SYSTEM Testing How it Works Disconnect the switch from the wiring harness. When the seat is vacated, the switch is open and there should be NO continuity between the two terminals. Using a VOM or test light, check first to ensure When the seat is occupied, the switch closes and there there is no continuity between either terminal, should be continuity between the two terminals (Figure...
  • Page 52 THIS PAGE INTENTIONALLY LEFT BLANK 5 - 10 TimeCutter Z Service Manual...
  • Page 53 MOWER DECKS TIMECUTTER Z SERVICE MANUAL Safety Information ........Specifications .
  • Page 54: 38"/42" Mower Decks

    38”/42” MOWER DECKS Leveling the Mower from Side-to- To level the blade(s), reposition the leveling bracket(s) in a different hole and install the washer Side and hairpin cotter. (Figure 95 and Figure 96). A front hole lowers the blade height and a rear hole The mower blades must be level from side to side.
  • Page 55: Adjusting The Front-To-Rear Blade Slope

    38”/42” MOWER DECKS Adjusting the Front-to-Rear Blade Install the end of the rod into the hole in the mower mount and secure it with the washer and hairpin Slope cotter. Repeat steps 5 through 7 for the opposite side of the mower. Check the front-to-rear blade level any time you install the mower.
  • Page 56: Inspecting The Belts

    38”/42” MOWER DECKS Measure from the tip of the front blade to the flat Note: After adjusting the adjustment nuts, make sure surface and the tip of the rear blade to the flat there is no slack in either support rod (Figure 101). surface (Figure 98).
  • Page 57 38”/42” MOWER DECKS Remove the belt covers over the outside spindles. Install the belt covers over the outside spindles. Pull the idler pulley in the direction shown in Figure 100 and roll the belt off of the pulleys. CAUTION The spring is under tension when installed and can cause personal injury.
  • Page 58: Removing The Mower

    38”/42” MOWER DECKS Removing the Mower Remove the hairpin cotter and washer at the mower leveling brackets (Figure 102) on each side of the mower. Note which hole the leveling Note: Before removing the mower, make a note for bracket is mounted in for future installation. Slide which holes are used in the leveling brackets (Figure the brackets off of the mounting pin.
  • Page 59: Installing The Mower

    38”/42” MOWER DECKS Installing the Mower Park the machine on a level surface and disengage the blade control (PTO). Move the motion control levers to the brake position, stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.
  • Page 60: 44"Mower Decks

    44”MOWER DECKS Leveling the Mower from Side-to- To level the blade(s), reposition the leveling bracket(s) in a different hole and install the washer Side and hairpin cotter. (Figure 104). A front hole lowers the blade height and a rear hole raises its The mower blades must be level from side to side.
  • Page 61 44” MOWER DECKS Check and adjust the side-to-side blade level if Measure from the tip of the front blade to the flat you have not checked the setting; refer to surface and the tip of the rear blade to the flat “Leveling the Mower from Side-to-Side”...
  • Page 62: Inspecting The Belts

    44”MOWER DECKS 12. After adjusting both adjustment nuts evenly, check Replacing the Mower Belt the front-to-rear slope again. Continue adjusting the nuts until the front blade tip is 1/16–5/16 inch Squealing when the belt is rotating, blades slipping (1.6–7.9 mm) lower than the rear blade tip (Figure when cutting grass, frayed belt edges, burn marks, and 107).
  • Page 63: Removing The Mower

    44” MOWER DECKS Install the belt covers over the outside spindles. Move the motion control levers to the brake position, stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Lower the height-of-cut lever to the lowest position.
  • Page 64: Installing The Mower

    44”MOWER DECKS Remove the hairpin cotter and washer at the Installing the Mower mower leveling brackets (Figure 110) on each side of the mower. Note which hole the leveling Park the machine on a level surface and bracket is mounted in for future installation. Slide disengage the blade control (PTO).
  • Page 65: 48" Mower Decks

    48” MOWER DECKS Leveling the Mower from 6. Remove the hairpin cotter and washer from the leveling bracket (Fig. A6 002). Side-to-Side The mower blades must be level from side to side. Check the side-to-side level any time you install the mower or when you see an uneven cut on your lawn.
  • Page 66: Adjusting The Front-To-Rear Blade Slope

    48” MOWER DECKS Adjusting the Front-to-Rear Blade 6. If the rod length is not 3/4” (19mm) remove the hairpin cotter and washer from the end of the Slope adjusting rod (Fig. A6 003) and turn the rod until the 3/4” (19mm) dimension is obtained. Check the front-to-rear blade level anytime you install the mower.
  • Page 67 48” MOWER DECKS 11. To adjust the front-to-rear blade slope, remove the 13. After adjusting both adjustment nuts evenly, check locknuts and then rotate the adjustment nuts in the the front-to-rear slope again. Continue adjusting the front of the mower (Fig. A6 005). nuts until the front blade tip is 1/16”...
  • Page 68: Removing The Mower

    48” MOWER DECKS Removing the Mower 4. Remove the hairpin cotter and clevis pin from the front support rod on each side of the mower (Fig. A6 008). Note: Before removing the mower, make a note of which holes are used in the leveling brackets (Fig.
  • Page 69: Mower Belt Maintenance

    48” MOWER DECKS Mower Belt Maintenance 4. Remove the belt covers over the outside spindles (Fig. A6 009). Inspecting the Belts Inspect all belts every 100 hours. Check the belts for cracks, frayed edges, burn marks, or any other damage. Replace damaged belts. Replacing the Mower Belt Squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks, and...
  • Page 70: Installing The Mower

    48” MOWER DECKS 5. Pull the idler pulley in the direction shown in Figure A6 009 and roll the belt off of the pulleys. The spring is under tension when installed and can cause personal injury. Be careful when removing the spring. 6.
  • Page 71 TimeCutter Z Service Manual 6 - 13...
  • Page 72 ® TimeCutter ® Precision Service Manual Form No. 492-4780 Revised 4-07...

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