MTD Yard-Man 12A-449T401 User Manual

YaRD-MaN)//
Operator's Manual
21" Self Starter
Rear-Discharge
Lawn Mower
Model Series
IMPORTANT: Read safety rules and instructions carefully before operating equipment.
Warning: This unit isequipped withan internal combustionengine and should not be used on or near any unimproved forest-
covered, brush-covered or grass-covered land unlessthe engine's exhaust system is equipped witha spark arrester meeting
applicable local or state laws (if any). If a spark arrester isused, it shouldbe maintainedin effective workingorder by the operator.
In the State of Californiathe above is requiredby law (Section4442 of the California PublicResources Code). Other states may have
similar laws. Federal laws apply onfederal lands. A spark attester for the muffler is available throughyour nearest engine authorized
service dealer or contactthe service department, P.O. Box 368022 Cleveland, Ohio 44136-9722.
MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722
ECO#
PRINTED IN U.S.A.
FORM NO. 770-10478.fm
(1/2001)

MTD Yard-Man 12A-449T401 Specifications

General

Brand	MTD
Model	Yard-Man 12A-449T401
Category	Lawn Mower
Language	English

Summary

Section 1: Important Safe Operation Practices

Slope Operation

Operation on slopes requires extra caution. Measure slopes and avoid steep inclines for safe mowing.

Children Safety

Keep children away from mower, be alert to their presence, and never allow young children to operate.

Section 2: Slope Gauge

Section 4: Assembling Your Lawn Mower

Disconnecting Spark Plug

Disconnect the spark plug wire and ground it to prevent unintended starting during assembly.

Section 5: Know Your Lawn Mower

Blade Control Handle

Details on the blade control handle, its safety function, and operation.

Safety Key Function

Explanation of the safety key's role in activating and deactivating the self-starter system.

Section 6: Operating Your Lawn Mower

Gas and Oil Fill-Up

Before Starting Mower

First Time Starting Engine

Step-by-step guide for starting the mower engine for the very first time using the recoil starter.

Second Time Starting Engine

Stopping the Engine and Blade

Procedure for safely stopping the mower engine and rotating blade, including a warning about blade coasting.

De-Energizing Self Starter

Detailed steps to safely de-energize the self-starter system before performing maintenance or service.

Section 7: Maintaining Your Lawn Mower

Engine Maintenance

Key maintenance tasks for the engine, including oil changes, air filter service, and spark plug care.

Section 8: Servicing Your Lawn Mower

Blade Care and Inspection

Instructions for inspecting the blade adapter and pulley for damage and replacing the blade when necessary.

Removing the Mower Blade

Replacing the Mower Blade

Replacing Drive Belt

Procedure for safely removing and replacing the drive belt on the mower.

Section 9: Making Adjustments

Adjusting Drive Clutch Control

Adjusting Cutting Height

Section 11: Trouble Shooting Guide