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MTD Yard-Man 12A-449T402 User Manual

MTD Yard-Man 12A-449T402
24 pages
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YaRD-MaN}/f
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Operator's Manual
21" Self Starter
Rear-Discharge
Lawn Mower
Model Series
12A-449T402
IMPORTANT: Read safety rules and instructions carefully before operating equipment.
Warning: This unit is equipped with an internal combustionengine and shouldnot be used on or near any unimprovedforest-
covered, brush-covered or grass-covered land unless the engine's exhaust system is equipped witha spark arrester meeting
applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator.
Inthe State of California the above is required by law (Section 4442 of the California Public ResourcesCode). Other states may have
similar laws. Federal laws apply onfederal lands, A spark arrester for the muffler is available through your nearest engine authorized
service dealer or contact the 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. 770-10545.fm
(4/2001)
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MTD Yard-Man 12A-449T402 Specifications

General IconGeneral
Engine Type4-cycle
Drive SystemManual
Deck MaterialSteel
Height AdjustmentDual-lever
Grass Bag Capacity1.9 bushels
Starter TypeRecoil
Cutting Width21 inches
Cutting Height1.25 to 3.75 inches
Cutting Height Adjustment6 positions
Discharge OptionsMulch, Rear Bag, Side Discharge

Summary

Finding Your Lawn Mower Model Number

Customer Support Contact Information

SECTION 1: IMPORTANT SAFE OPERATION PRACTICES

General Operation Safety

Read, understand, and follow all instructions for safe operation.

Slope Operation Safety

Exercise extra caution on slopes; measure slopes using the gauge.

Child Safety Precautions

Keep children away from mowing area and mower when operating.

Safe Gasoline Handling

Handle gasoline with care due to flammability and explosive vapors.

General Service Safety

Never run engine indoors; disconnect spark plug before servicing.

Your Responsibility & Safety Labels

Understand warnings, follow instructions, and keep safety devices functional.

SECTION 2: SLOPE GAUGE

SECTION 3: UNPACKING

SECTION 4: ASSEMBLING YOUR LAWN MOWER

Assembling the Lawn Mower Handle

Steps to assemble the mower handle, including connecting upper and lower sections.

Assembling the Grass Catcher

Detailed instructions for assembling the grass catcher bag and frame.

Attaching Grass Catcher & Chute Deflector

How to attach the grass catcher and chute deflector, and convert to mulcher.

SECTION 5: KNOW YOUR LAWN MOWER

Lawn Mower Controls Overview

Identifies and explains key controls like Blade Control Handle and Safety Key.

SECTION 6: OPERATING YOUR LAWN MOWER

Gas and Oil Fill-Up Procedures

Instructions for safely filling the fuel tank and checking oil before operation.

Starting the Lawn Mower Engine

Step-by-step guide for starting the engine for the first time and subsequent starts.

Stopping the Engine and Blade

Procedures for safely stopping the mower's engine and blade.

General Mowing Operation & Bagging Clippings

Guidelines for mowing, safety when striking objects, and using the grass catcher.

SECTION 7: MAINTAINING YOUR LAWN MOWER

Cleaning and Engine Maintenance

Instructions for cleaning the mower deck and performing basic engine maintenance.

Lubrication Points

Details on lubricating wheels, chute deflector, and engine/transmission.

SECTION 8: SERVICING YOUR LAWN MOWER

Blade Care and Servicing

Procedures for inspecting, sharpening, and replacing the mower blade.

Replacing the Drive Belt

Step-by-step guide for replacing the mower's drive belt.

SECTION 9: MAKING ADJUSTMENTS

Adjusting Drive Clutch Control

How to adjust the drive clutch for proper self-propulsion engagement.

Adjusting Handle Height

Instructions for adjusting the mower handle to different height positions.

Adjusting Cutting Height

Steps to adjust the cutting height of the mower's deck.

SECTION 10: OFF-SEASON STORAGE

Off-Season Storage Preparation

Guidelines for preparing and storing the mower during the off-season.

SECTION 11: TROUBLESHOOTING GUIDE

Troubleshooting Engine Issues

Common engine problems and their corrective actions.

Troubleshooting Mower Performance

Solutions for issues like excessive vibration, poor mulching, and uneven cuts.

SECTION 12: PARTS LIST FOR MODEL SERIES 440

Parts List Overview (Model Series 440)

Visual diagram of mower components with reference numbers.

Parts List - Components A-G

Detailed breakdown of parts with reference numbers and descriptions.

Parts List - Components H-Z

Detailed breakdown of remaining parts with reference numbers and descriptions.

Parts List - Components 1-60

Detailed breakdown of parts with reference numbers and descriptions.

MANUFACTURER'S LIMITED WARRANTY

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