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Operator's Manual
IMPORTANT: Read safety rules and instructions carefully before operating equipment.
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 arrester 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 368022 Cleveland, Ohio 44136-9722.
MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722
ECO #
PRINTED IN U.S.A.
21" Self Starter
Rear-Discharge
Lawn Mower
Model Series
247.371060
12A-449T402
FORM NO. 770-10545.fm
(4/2001)
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Summary of Contents for MTD yard-man 12A-449T402
- Page 1 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 368022 Cleveland, Ohio 44136-9722. MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722 ECO # FORM NO.
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Page 2: Table Of Contents
(Model Number) (Serial Number) Copy the model number here: Copy the serial number here: MTD PRODUCTS INC CLEVELAND, OHIO 44136 CALLING CUSTOMER SUPPORT If you have difficulty assembling this product or have any questions regarding the controls, operation or maintenance of this unit, please call the Customer Support Department. -
Page 3: Important Safe Operation Practices
SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: This symbol points out important safety instructions which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate this machine. Failure to comply with these instructions may result in personal injury. - Page 4 20. Never operate mower without proper trail shield, Keep children away from hot or running engines. They discharge cover, grass catcher, blade control handle or can suffer burns from a hot muffler. other safety protective devices in place and working. Never allow children under 14 years old to operate a Never operate mower with damaged safety devices.
- Page 5 Check the blade and engine mounting bolts at frequent shield are subject to wear and damage which could intervals for proper tightness. Also, visually inspect blade expose moving parts or allow objects to be thrown. for damage (e.g., bent, cracked, worn) Replace blade For safety protection, frequently check components and with the original equipment manufacture’s (O.E.M.) blade replace immediately with original equipment...
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Page 6: Slope Gauge
SECTION 2: SLOPE GAUGE... -
Page 7: Unpacking
SECTION 3: UNPACKING Removing Unit From Carton • Cut corners and lay carton down flat. Remove packing material. • Remove staples, break glue on top flaps or cut tape • Roll or slide unit out of carton. Check carton at carton end and peel along top flap to open thoroughly for loose parts. - Page 8 Grass Catcher Assembly • Using a pair of pliers, insert the hairpin clip into the inner hole in the weld pin. Repeat on the other side. See Figure 4. NOTE: Make certain the grass bag is turned right side out before assembling (warning label will be on the Move hairpin clip to outside).
- Page 9 • Lift the rear discharge door. • Slide the rod into the upper edge of the chute • Place the hooks of the grass catcher into the slots deflector so the tab on the rod is toward the left side in the handle bracket assemblies on both sides.
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Page 10: Know Your Lawn Mower
SECTION 5: KNOW YOUR LAWN MOWER WARNING: WARNING: Be familiar with all controls The blade control handle is a and their proper operation. Know how to stop safety device. Never attempt to bypass its the machine and disengage them quickly. operations. - Page 11 Gas and Oil Fill-Up 14. If engine does not start by the second pull, repeat steps 8, 9,10, 11 and 12. WARNING: Use extreme care when Second Time Starting Engine handling gasoline. Gasoline is extremely flammable and the vapors are explosive. NOTE: Follow these instructions if the self starter is Never fuel machine indoors or while the already in the energized mode.
- Page 12 NOTE: Engine may stop with a racketing sound. This • Do not operate the mower without the mulching sound is the self starter being reactivated/energized for cover, the grass catcher bag, or the discharge the next start. chute properly installed. •...
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Page 13: Maintaining Your Lawn Mower
page 17 for instruction on how to adjust the cutting • For best results in mowing, keep the cutting height height and the handle height. position high until you have determined which cutting height is preferred. SECTION 7: MAINTAINING YOUR LAWN MOWER WARNING: •... -
Page 14: Servicing Your Lawn Mower
Pivot Points • Lubricate the pivot points on the blade control handle, brake cable and the cutting height adjustment lever at least once a season with light oil. The blade control handle must operate freely in both directions. The cutting height adjustment levers should be able to move easily. - Page 15 • Install the blade adapter on the pulley with the “star” • If the blade is not balanced, remove metal from the away from the pulley. See Figure 16. heavy side until it balances evenly. Pulley Lock Nut Replacing Drive Belt Assembly WARNING: Disconnect the spark plug wire...
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Page 16: Making Adjustments
Right Front Left Front Wheel Wheel Engine Pulley Center Hex Bolt Figure 18 SECTION 9: MAKING ADJUSTMENTS WARNING: Be sure to disconnect the spark plug wire and DE-ENERGIZE starter To tighten cable before performing any adjustments or repairs. Adjustment DO NOT attempt any maintenance or service Wheel to the engine and/or mower equipped with the safety key in the unlocked and/or energized... -
Page 17: Off- Season Storage
Height Notch Adjustment Lower Lever Handle Figure 20 Figure 21 Adjusting Cutting Height Adjusting Carburetor All wheels must be placed in the same IMPORTANT: WARNING: If any adjustments are made to relative position. For rough or uneven lawns, move the the engine (e.g. -
Page 18: Troubleshooting
Engine • Follow recommendations in the accompanying engine manual for off-season storage of the • Clean engine and remove any grass clippings, dirt, engine. and debris from the cooling fins, air intake screen, • Change oil as stated in the engine manual. levers, linkage and the exterior of the engine. - Page 19 NOTES...
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Page 20: Parts List
SECTION 12: PARTS LIST FOR MODEL SERIES 440 24 23... - Page 21 Model Series 440 Ref. No Part No. Description Ref. No Part No. Description 731-1057 Upper Drive Cover 731-1937A Front Drive Cover - Yellow 731-0620 Drive Lever 754-0465 V-Belt 731-1058 Lower Drive Cover 712-0324 Hex Lock Nut 1/4-20 731-1059 Mounting Cap 756-1146A Drive Pulley 710-1667A...
- Page 22 Model Series 440 IMPORTANT: For a proper working machine, use Factory Approved Parts. V-BELTS are specially designed to engage and disengage safely. A substitute (non OEM) V-Belt can be dangerous by not disengaging completely.
- Page 23 Model Series 440 Ref. No Part No. Description Ref. No Part No. Description 712-3025 Hex Jam Nut 5/16-24 741-0604 Bearing Sleeve .50 I.D. 736-0425 Bell Washer .325 x .930 x .045 748-0355 Bearing Support 756-1042 Pulley, 3.82 x .313 x .68 736-0447 Wave Washer 1.5 x 1.0 x .029 736-0425...
- Page 24 MANUFACTURER’S LIMITED WARRANTY FOR: c. Routine maintenance items such as lubricants, filters, The limited warranty set forth below is given by MTD blade sharpening and tune-ups, or adjustments such PRODUCTS INC (“MTD”) with respect to new merchan- as brake adjustments, clutch adjustments or deck dise purchased and used in the United States, its posses- adjustments;...