Walker MTL - User Manual

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OWNER’S MANUAL

Safety, Assembly, Operating, and Maintenance Instructions

Model MT (20.0 HP)

Model MTL (25.0 HP)

Model MTEFI (26.0 HP)

(Covers 2004 Production)

Please Read and Save These Instructions Effective Date: 01-01-04

For Safety, Read All Safety and Operation P/N 8000-9

Instructions Prior to Operating Machine Price $5.00

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Detailed Instructions256 pages

Questions and Answers

H
Hannah EvansAug 6, 2025
Why does my Walker MTL Lawn Mower horn sound at the wrong time?
- A
  Alexander PorterAug 6, 2025
  The horn may sound at the wrong time because the vertical position of the Grass-Pak[®] switch is critical to ensure the catcher box doesn't overfill, which could clog the delivery chute. To resolve this, adjust the Grass-Pak[®] switch by bending its mounting bracket until the measurement between the exhaust screen and the Grass-Pak[®] switch actuator vane is between 4 and 4-1/2 inches (10.16 and 11.43 cm). Make adjustments in small increments, checking the measurement each time until it's correct.
N
nicholas93Aug 19, 2025
What to do if the GHS “full” signal horn is not sounding when the catcher is full on my Walker MTL Lawn Mower?
- L
  lindsayfrankAug 20, 2025
  If the GHS "full" signal horn isn't sounding when the catcher is full, check the horn itself. Disconnect the two wires from the GrassPak[®] switch electric connector plug and create a jumper wire connection between them, bypassing the switch. Turn the ignition ON and engage the blade clutch (with the engine off) to make the horn sound. If it doesn't, the horn is faulty and needs replacement.

Summary

Foreword

General Information

GLOSSARY

Defines terms unique to the equipment or used as acronyms.

IDENTIFYING NUMBER LOCATIONS

Shows where to find serial numbers for parts and service.

Specifications

ENGINE SPECIFICATIONS

Details engine model, displacement, HP, torque, oil type, and capacity.

TRANSMISSION SPECIFICATIONS

Outlines transmission type, steering, speed control, fluid, and travel speed.

MOWER DECK SPECIFICATIONS

Lists deck dimensions, cutting height, width of cut, and suspension.

Component Identification

TRACTOR COMPONENTS

Identifies front view components like deck lift, steering levers, and parking brake.

ENGINE COMPARTMENT COMPONENTS

Labels parts in the engine compartment for MT, MTL, and MTEFI models.

Safety Instructions

BEFORE OPERATING

Instructions to read the manual, clear area, and wear protective gear.

OPERATING SAFETY

Guidelines for safe operation, including lighting, seating, and passenger restrictions.

SAFETY, CONTROL, AND INSTRUCTION DECALS

Details the location and importance of safety decals on the machine.

Assembly Instructions

SETUP INSTRUCTIONS

Covers initial setup, tire installation, and battery service procedures.

MOWER DECK ASSEMBLY

Instructions for assembling deck caster wheels and installing discharge chutes.

PREOPERATING CHECKLIST

A pre-operation checklist covering fuel, oil, and system checks before use.

Operating Instructions

OPERATING CONTROLS

Identifies and explains the function of all operator controls for the mower.

STARTING THE ENGINE

Step-by-step guide for starting the engine safely and correctly.

STOPPING THE MACHINE

Procedures for safely stopping the engine and parking the mower.

GRASS HANDLING SYSTEM (GHS)

Explains the operation, components, and maintenance of the GHS.

Maintenance Instructions

MAINTENANCE SCHEDULE CHART

Outlines recommended maintenance tasks and their intervals for all models.

LUBRICATION

Details lubrication points, types, and schedules for various components.

CLEANING

Instructions for cleaning air cleaner systems, engine cooling, and blower.

REPLACING;REPAIRING

Drive Belts

Explains how to remove and replace drive belts for various systems.

Fuel Filter Replacement

Instructions for replacing fuel filters on MT, MTL, and MTEFI models.

Mower Deck Gearbox Replacement

Details the procedure for replacing mower deck gearboxes.

ADJUSTMENTS

Steering Levers Adjustment

Explains how to adjust steering levers for operator comfort and control.

Blade Clutch (PTO) Adjustments

Details adjustments for clutch engagement, belt tension, and brake action.

Transmission Control Adjustments

Covers adjustments for forward travel limit, steering, and neutral function.

Carburetor - MT

Instructions for adjusting the engine idle speed and mixture for Model MT.

LIMITED WARRANTY

WARRANTY COVERAGE AND DURATION

Specifies what parts are covered by the warranty and for how long.

WARRANTY EXCLUSIONS

Lists conditions and defects not covered by the warranty.

Sound and Vibration Data

Model MT Sound and Vibration

Provides sound test (Lwa, LpA) and vibration level data for Model MT.

Model MTL Sound and Vibration

Provides sound test (Lwa, LpA) and vibration level data for Model MTL.

Model MTEFI Sound and Vibration

Provides sound test (Lwa, LpA) and vibration level data for Model MTEFI.