White Outdoor LT-5 Service Manual
  1. Manuals
  2. Brands
  3. White Outdoor Manuals
  4. Lawn Mower
  5. LT-5
  6. Service manual

White Outdoor LT-5 Service Manual

700 series
Hide thumbs
Table of Contents

Advertisement

Quick Links

Service Manual

LT-5 - 700 Series Rider
NOTE: These materials are for use by trained technicians who are experienced in the service and repair of outdoor power
equipment of the kind described in this publication, and are not intended for use by untrained or inexperienced individuals.
These materials are intended to provide supplemental information to assist the trained technician. Untrained or inexperi-
enced individuals should seek the assistance of an experienced and trained professional. Read, understand, and follow all
instructions and use common sense when working on power equipment. This includes the contents of the product's Oper-
ators Manual, supplied with the equipment. No liability can be accepted for any inaccuracies or omission in this publication,
although care has been taken to make it as complete and accurate as possible at the time of publication. However, due to
the variety of outdoor power equipment and continuing product changes that occur over time, updates will be made to these
instructions from time to time. Therefore, it may be necessary to obtain the latest materials before servicing or repairing a
product. The company reserves the right to make changes at any time to this publication without prior notice and without
incurring an obligation to make such changes to previously published versions. Instructions, photographs and illustrations
used in this publication are for reference use only and may not depict actual model and component parts.
© Copyright 2005 MTD Products Inc. All Rights Reserved
MTD Products Inc - Product Training and Education Department
FORM NUMBER - 769-01415
10/2005

Advertisement

Table of Contents
loading

Related Manuals for White Outdoor LT-5

Summary of Contents for White Outdoor LT-5

  • Page 1: Service Manual

    Service Manual LT-5 - 700 Series Rider NOTE: These materials are for use by trained technicians who are experienced in the service and repair of outdoor power equipment of the kind described in this publication, and are not intended for use by untrained or inexperienced individuals.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Introduction ..........................1 Deck Removal ........................2 Deck Details and Updates for 2005 ..................3 PTO Cable ..........................5 Deck Lift ..........................6 Hydrostatic Transaxle ......................9 Transaxle Control Linkage ....................12 Drive Belt: Hydrostatic Drive ....................14 Clutch/Brake Linkage : Hydrostatic ..................16 Parking Brake : Hydrostatic Drive ..................17 Belt Replacement: Variable Speed Belt Drive ..............18 Speed Control Linkage Adjustment: Variable Speed Belt Drive ..........20 Cruise Control/Parking Brake Adjustment: Variable Speed Belt Drive ........21...

  • Page 5: Introduction

    700 SERIES LAWN TRACTORS 700 SERIES LAWN TRACTORS INTRODUCTION 1.5. Variations: Other The 700 series platform will accommodate a variety of single and twin cylin- 1.1. Disclaimer: This service manual was intended der engines, and a range of styles and brands for the use, by trained technicians.

  • Page 6: Deck Removal

    700 SERIES LAWN TRACTORS DECK REMOVAL 2.5. With the deck on the ground, the lift rods can be reconnected to the lift links. This will enable the 2.1. The engine should be turned off long enough for rods and links to be moved out of the way by lift- the exhaust system to cool before starting work.

  • Page 7: Deck Details And Updates For 2005

    700 SERIES LAWN TRACTORS 2.8. Slide the deck forward slightly, and slip the PTO DECK DETAILS AND UPDATES FOR 2005 belt off of the crankshaft pulley. 3.1. The front deck support rod is easily removed by 2.9. Because of angular interference between the slipping it forward until the coined spot slips inside angle of the front deck support rod and through the opening in the bracket that supports...
  • Page 8 700 SERIES LAWN TRACTORS 3.2. The hooked side of the front deck support rod 3.5. The 42” deck has a fixed idler pulley to provide belongs on the left. This is important because better wrap on the left spindle pulley, and a ten- there is a slight bend in the rod.

  • Page 9: Pto Cable

    700 SERIES LAWN TRACTORS 4.4. The bushing is easily replaced by simply unbolt- PTO CABLE ing the two halves using a 3/8” wrench. 4.1. The deck engagement lever is supported by a See Figure 4.4. two-piece bushing under the right fender. See Figure 4.1.

  • Page 10: Deck Lift

    700 SERIES LAWN TRACTORS DECK LIFT 5.4. The bushings that support the lift shaft assembly are easily replaced. See Figure 5.4. 5.1. In an advancement over the box-frame design, the deck height and engagement functions are isolated from one-another. Hex bushing 5.2.
  • Page 11 700 SERIES LAWN TRACTORS 5.6. Preliminary steps: See Figure 5.6. NOTE: The stepped “bow” in the middle goes outboard, riding against the transaxle control brackets. 5.9. Remove the bushings that support the lift shaft assembly. See Figure 5.9. The old blow-gun trick Figure 5.6 Bushings •...
  • Page 12 700 SERIES LAWN TRACTORS 5.11. Slide the lift shaft to the right, so that the left end 5.14. Once the lift rods are removed, the lift shaft can clears the opening in the frame that the hexago- be withdrawn, complete with the lift lever, out the nal bushing fits in.

  • Page 13: Hydrostatic Transaxle

    700 SERIES LAWN TRACTORS 5.16. Installation notes: See Figure 5.16. HYDROSTATIC TRANSAXLE 6.1. A Hydro-Gear model 348-0510 transaxle drives the hydrostatic transmission equipped 790 series. See Figure 6.1. Figure 5.16 • Slide the lift shaft assembly into the frame through the opening in front of the wheel. Figure 6.1 •...
  • Page 14 700 SERIES LAWN TRACTORS 6.5. Access to the fill plug can be gained by removing 6.7. After a thorough cleaning, to prevent contamina- the battery and the tray that supports the battery. tion of the fluid, the fill plug can be removed See Figure 6.5.
  • Page 15 700 SERIES LAWN TRACTORS 6.12. The by-pass valve and brake are visible beneath 6.13. The brake rod pulls on a spring that is hooked to the right side frame channel. See Figure 6.12. the cam-arm on the brake caliper. The cam-arm forces two pins inward against a backing plate and brake pad.

  • Page 16: Transaxle Control Linkage

    700 SERIES LAWN TRACTORS • Too little resistance may allow the linkage to drift TRANSAXLE CONTROL LINKAGE back to neutral, particularly when ascending a 7.1. The lever that controls the ground speed and grade conforming to the 15 degree description in direction of travel is located on the right rear the Operators Manual.
  • Page 17 700 SERIES LAWN TRACTORS 7.4. The pitch on the threads of the rod is 16 threads 7.6. If it is necessary to remove the cross-shaft and per inch. If an adjustment of less than 1/16” is control lever: See Figure 7.6. needed, the bolts that secure the mounting bracket to the frame can be loosened slightly for adjustment.

  • Page 18: Drive Belt: Hydrostatic Drive

    700 SERIES LAWN TRACTORS 7.8. The cross shaft, control lever, and torsion spring DRIVE BELT: HYDROSTATIC DRIVE can be disassembled on the bench. 8.1. To remove the transaxle drive belt, begin by See Figure 7.8. removing the cutting deck and the front deck sta- bilizer link.
  • Page 19 700 SERIES LAWN TRACTORS 8.5. Release the parking brake. 8.11. Loosen the pulley using a 3/4” wrench, and lift the pulley far enough to slip the belt by the belt 8.6. Loosen, but do not remove the nut that secures keeper tabs and screws.

  • Page 20: Clutch/Brake Linkage : Hydrostatic

    700 SERIES LAWN TRACTORS CLUTCH/BRAKE LINKAGE : HYDROSTATIC 9.4. If it is necessary to remove the brake pedal assembly (cross shaft), the process is very sim- 9.1. Application of the clutch / brake pulls on the rod ple and the parts are easy to reach. that actuates the cam arm on the brake caliper, See Figure 9.4.

  • Page 21: Parking Brake : Hydrostatic Drive

    700 SERIES LAWN TRACTORS 9.6. If it is necessary to remove the brake rod from PARKING BRAKE : HYDROSTATIC DRIVE the tractor, the easiest method is as follows: 10.1. The parking brake is operated by small lever on See Figure 9.6. the left side of the dash panel.

  • Page 22: Belt Replacement: Variable Speed Belt Drive

    700 SERIES LAWN TRACTORS 10.6. Adjust the rod length so that the tab on the latch BELT REPLACEMENT: VARIABLE SPEED just bottoms-out in the notch on the brake pedal BELT DRIVE assembly when the pedal is depressed and the NOTE: This section does not apply to tractors park brake is moved to “ON”.
  • Page 23 700 SERIES LAWN TRACTORS 11.6. Disconnect the spring from the anchor bolt on 11.8. Remove the belt guide from the variable speed the left side of the tractor using a spring puller or pulley bracket using a 1/4”socket. a small piece of rope. See Figure 11.6. See Figure 11.8.

  • Page 24: Speed Control Linkage Adjustment: Variable Speed Belt Drive

    700 SERIES LAWN TRACTORS 11.11. Remove the crankshaft pulley using a 5/8” • Tighten the transaxle pulley nut to a torque of wrench. See Figure 11.11. 10-15 ft.-lb. (13.6-20.3 Nm). • Confirm proper operation of the brake/clutch linkage before installing the cutting deck. •...

  • Page 25: Cruise Control/Parking Brake Adjustment: Variable Speed Belt Drive

    700 SERIES LAWN TRACTORS 12.2. Engage the parking brake taking the tension off CRUISE CONTROL/PARKING BRAKE the Variable speed control rod. ADJUSTMENT: VARIABLE SPEED BELT DRIVE 12.3. Remove the cotter pin from the ferrule on the top side of the variable speed pulley bracket. 13.1.

  • Page 26: Steering

    700 SERIES LAWN TRACTORS STEERING 14.4. The wheel bearings may be easily examined for play: 14.1. The toe angle is not adjustable. The front wheels are kept pointed in the same direction (except • Safely lift and support the end of the pivot bar for the Ackerman effect) by a tie-rod with fixed that the wheel is attached to.
  • Page 27 700 SERIES LAWN TRACTORS 14.7. On installation, using a new cotter pin, the pin 14.10. The right side axle can be removed from the must be bent tightly enough around the axle that pivot bar by loosening the clamp bolt that it does not interfere with hub-cap installation.
  • Page 28 700 SERIES LAWN TRACTORS 14.13. Replace any single-use fasteners (push-on caps 14.18. To adjust the drag link, it is necessary to and cotter pins) with new ones on reassembly. loosen the jam nut that locks the ball joint in position. Hold the ball joint using a 1/2” wrench, 14.14.

  • Page 29: Steering Gear

    700 SERIES LAWN TRACTORS STEERING GEAR 15.3. To remove the steering wheel, remove the bolt and belleville washer using a 1/2” wrench. 15.1. It is good practice to check the steering gear whenever a tractor is in for repair: 15.4. Match-mark the steering wheel to the shaft, and See Figure 15.1.
  • Page 30 700 SERIES LAWN TRACTORS 15.7. From this point, the steering shaft may be lifted 15.10. Depending on the nature of the repair that is to slightly to remove the hex bushing that locates it. be done, and the engine that the tractor is See Figure 15.7.
  • Page 31 700 SERIES LAWN TRACTORS 15.13. Lift away the steering gear stabilizer plate. 15.15. After removal, the steering gear can be held in a See Figure 15.13. bench vise to remove the drag link using a 1/2” wrench. See Figure 15.15. NOTE: drag link off-set and bushing position Holes...

  • Page 32: Pivot Bar

    700 SERIES LAWN TRACTORS • Apply anti-seize compound to the bearing sur- PIVOT BAR face at the base of the steering shaft. 16.1. Pivot bars are not normally replaced in the ser- • The screw that secures the bottom of the steer- vice life of a tractor.
  • Page 33 700 SERIES LAWN TRACTORS 16.4. A spacer is fits between the dash and the side 16.9. Remove the cotter pins that secure the tie rod to panel, around the lower rear bolt that fastens the the axle. side panel to the dash. See Figure 16.4. NOTE: Discard the cotter pins and replace with new hardware.

  • Page 34: Electrical System

    700 SERIES LAWN TRACTORS 16.13. Remove the self-tapping screws on the left side ELECTRICAL SYSTEM of the tractor that secure the front pivot bracket. 17.1. Introduction: The electrical system was See Figure 16.13. designed with the RMC module that was intro- duced for the ‘05 season as an integral compo- nent.
  • Page 35 700 SERIES LAWN TRACTORS 17.3. In the OFF position, continuity can be found Electrical Diagnostic Over-view between the M, G, and A1 terminals. See Figure 17.3. 17.1-17.9 Key Switch and Module 17.3 Key Switch OFF 17.4 Key Switch START 17.5 Key Switch RUN 17.6 Key Switch REVERES CAUTION...
  • Page 36 700 SERIES LAWN TRACTORS 17.4. In the START position, continuity can be found 17.5. In the NORMAL RUN position (green zone), the between B, S, and A1 terminals. B and A1 terminals should have continuity. Once the engine is running, the alternator produces •...
  • Page 37 700 SERIES LAWN TRACTORS • Symptom-RMC module will not turn-on: confirm 17.9. Working properly: The module cannot be diag- that the ground path (continuity to ground) to the nosed if its function is not understood. It is white wire is broken when the key switch is in designed to work as follows: See Figure 17.9.
  • Page 38 700 SERIES LAWN TRACTORS • To turn the RMC module ON: The module must 17.11. Disconnect the molded 8-pin plug from the RMC first be armed, then the orange triangular button module. See Figure 17.11. is depressed, illuminating the red LED indicator to indicate that it is ON.
  • Page 39 700 SERIES LAWN TRACTORS 17.13. Top left, D-shape: Yellow wire with Black trace: 17.16. Yellow wire with white trace from 8-pin pigtail connector: See Figure 17.16. • Behavior: Should have continuity to ground when seat is empty or the PTO is ON and the Pigtail brake is released.
  • Page 40 700 SERIES LAWN TRACTORS 17.17. Yellow wire with black trace from the 8-pin pigtail • Interpretation: Continuity to ground when the connector provides input to the module from the tractor is not in reverse would indicate a short to PTO switch: See Figure 17.17. ground in the circuit.
  • Page 41 700 SERIES LAWN TRACTORS • Interpretation: The wires that lead to this 17.24. If the RMC plug test or the pigtail plug test indi- switch are readily visible and traceable. cates fault with any of the safety switches, the If there is no continuity to ground when the park- next step is to test the suspect switch.
  • Page 42 700 SERIES LAWN TRACTORS 17.26. The Brake Switch is mounted to the left frame 17.27. The Park Brake Switch is riveted inside the left channel, just beneath the running board and front edge of the dash panel. See Figure 17.27. immediately behind the clutch / brake pedal.
  • Page 43 700 SERIES LAWN TRACTORS 17.28. The Reverse Safety Switch is a simple metal 17.29. The Seat Safety Switch consists of a pair of contact tang. The gear selector touches it when simple metal contact tangs attached to the seat placed in the reverse position, providing a mounting bracket.
  • Page 44 700 SERIES LAWN TRACTORS 17.30. The starter solenoid is mounted at the left rear 17.32. The 20A fuse and ammeter are both located corner of the frame. The mounting bracket is vis- near the RMC module / key switch assembly, ible beneath the left fender, and the solenoid under the dash panel.
  • Page 45 700 SERIES LAWN TRACTORS 17.33. The engine harness connector on the White 17.34. The engine harness connector on the Briggs and tractor has alternator and safety circuit compo- Stratton powered Troy-Bilt tractor also contains nents. See Figure 17.33. alternator and safety circuit components. See Figure 17.34.
  • Page 46 700 SERIES LAWN TRACTORS 17.35. Ground issues: It is relatively easy to track 17.39. For comparison, strip away insulation at the mid- where power is on the positive side of the sys- dle of the wire, and snip strands until only a few tem.
  • Page 47 700 SERIES LAWN TRACTORS 17.41. Voltage drop tests are useful on both the positive 17.42. As an example, if the starter solenoid does not or the negative side of the system. We will con- engage properly, check for voltage drop between centrate on the negative side to begin with.
  • Page 48 700 SERIES LAWN TRACTORS 17.46. Individually, these readings should lead a techni- cian to inspect the connection between the sole- 17.49. As an example, if the tractor had a slow-turning noid and the ground path (e.g. mounting starter, the ground-side voltage drop measured hardware, green wire with eyelet beneath head below 0.1 volts, and there was not a parasitic of solenoid mounting bolt), or the engine and the...
  • Page 49 700 SERIES LAWN TRACTORS 17.52. This test may also be applied to the light gauge circuits on the tractor. 17.53. Switches may be bench tested using an Ohm meter. Generally speaking, safety switches will have less than 0.2 Ω through the contacts. 17.54.
  • Page 50 700 SERIES LAWN TRACTORS...

  • Page 51: Fastener Installation Specs

    700 SERIES LAWN TRACTORS FASTENER INSTALLATION SPEC.S Torque Settings Engine Pulley Bolt 450-600 in-lbs / 51-67 Nm Segment Stop Bolt 200-260 in-lbs / 23-29 Nm Segment Pivot Bolt 200-260 in-lbs / 23-29 Nm Steering Block Bolts 200-260 in-lbs / 23-29 Nm Lower Steering Shaft Screw * 17-20 ft-lbs / 23-27 Nm Blade Nuts...
  • Page 52 700 SERIES LAWN TRACTORS...

This manual is also suitable for:

700 series

Table of Contents