Troy-Bilt 979 - User Manual

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OPERATOR'S MANUAL
21" Self-Propelled
Self Starter Mower
Model Number
979
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-
covered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with a spark arrester meeting
applicable local or state laws (if any). If a spark attester is used, it should be maintained in effective working order by the operator.
In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have
similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized
service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136_0019.
Troy-Bilt LLC,P.O.BOX361131CLEVELAND,0HI0 44136-0019
PRINTED IN U.S.A.
FORM NO. 769-0001g
(2/02)

Summary

IMPORTANT SAFE OPERATION PRACTICES

General Operation

Guidelines for safe and proper use of the lawn mower, covering general procedures.

SERVICE

Slope Operation

Specific safety precautions and techniques for operating the mower on inclines.

Children Safety

Critical warnings and rules regarding children's proximity and interaction with the mower.

Safe Handling Of Gasoline

Essential safety measures for handling gasoline to prevent fire and explosion hazards.

ASSEMBLING YOUR LAWN MOWER

Setting Up Your Lawn Mower

KNOW YOUR LAWN MOWER

Mower Controls Overview

Identifies and describes the main operating controls of the lawn mower.

Blade Control Handle Function

Details the safety function of the blade control handle and its operation.

OPERATING YOUR LAWN MOWER

Safety Key System

Explains the role of the safety key in activating and deactivating the self-starter.

Gas and Oil Fill-Up Instructions

Guidance on properly filling the mower with gasoline and oil before operation.

Pre-Operation Checks

First Time Engine Start

Instructions for starting the engine for the very first time using the recoil starter.

Second Time Engine Start

Stopping Engine and Blade

Instructions on how to safely stop the mower's engine and blade rotation.

De-Energizing Self Starter

Procedures to safely de-energize the self-starter system before maintenance.

Using Your Lawn Mower Safely

MAKING ADJUSTMENTS

Cutting Height Adjustment

Drive Clutch Control Adjustment

MAINTAINING YOUR LAWN MOWER

Engine Maintenance Procedures

Covers essential engine maintenance tasks like oil, air filter, and spark plug.

Cutting Blade Maintenance

Drive Belt Maintenance

STORING YOUR LAWN MOWER

TROUBLESHOOTING GUIDE

Troy-Bilt 979 Specifications