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Operator's Manual
21" Rear-Discharge
Lawn Mower
Model Series 440
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 361131 Cleveland, Ohio 44136-0019.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
FORM NO. 770-10134D.fm
PRINTED IN U.S.A.
(12/2002)
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Summary of Contents for MTD 12A-446U729
- 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 361131 Cleveland, Ohio 44136-0019. MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019 FORM NO. 770-10134D.fm PRINTED IN U.S.A.
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Page 2: Table Of Contents
(Model Number) (Serial Number) Copy the model number here: Copy the serial number here: MTD LLC P. O. BOX 361131 CLEVELAND,OH 44136 330-220-4683 www.mtdproducts.com 800-800-7310... -
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 Do Not: 8. Never operate the mower in wet grass. Always be sure of your footing. A slip and fall can cause 1. Do not mow near drop-offs, ditches or serious personal injury. If you feel you are losing embankments, you could lose your footing or your footing, release the blade control handle balance.
- Page 5 7. Extinguish all cigarettes, cigars, pipes and other lead to improper performance and compromise sources of ignition. safety!” 8. Never fuel machine indoors because flammable 4. Mower blades are sharp and can cut. Wrap the vapors will accumulate in the area. blade or wear gloves, and use extra caution when 9.
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Page 6: Slope Gauge
SECTION 2: SLOPE GAUGE... -
Page 7: Assembling Your Lawn Mower
SECTION 3: ASSEMBLING YOUR LAWN MOWER Removing Unit From Carton • Raise the lower handle, as shown in Figure 3, until it snaps into place. • Remove staples, break glue on top flaps or cut tape • Raise the upper handle as shown in Figure 3. at carton end and peel top flap to open carton. - Page 8 Assembling Soft Grass Bag • Insert post of cable ties that are on lower handle into the holes provided on the lower handle. The • Place the bag over the frame (black plastic side is holes may be on the inside or outside. Pull cable the bottom of bag).
- Page 9 Never operate the mower unless the • Slide the rod into the upper edge of the chute hooks on the grass catcher are seated in deflector so the tab on the rod is toward the left side the slots on the handle bracket of the chute deflector.
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Page 10: Know Your Lawn Mower
SECTION 4: KNOW YOUR LAWN MOWER Read this owner’s manual and safety rules before operating your lawn mower. Compare the illustrations in Figure 11 with your lawn mower to familiarize yourself with the location of various controls and adjustments. Blade Control Handle Lower Bail Handle Chute Deflector (Optional) -
Page 11: Operating Your Lawn Mower
SECTION 5: OPERATING YOUR LAWN MOWER Gas and Oil Fill-Up Stopping Engine • Release blade control handle to stop the engine WARNING: Never fill fuel tank indoors, or and the blade. when engine is running or hot. Do not smoke •... -
Page 12: Maintaining Your Lawn Mower
Bagging Grass Clippings • Lift discharge door and pull grass bag up and away from the mower to dispose of the grass clippings. You can use the grass catcher bag to collect clippings while you are operating the mower. Adjusting Cutting Height •... - Page 13 Lubrication (See Figure 12) Wheels Lubricate • Lubricate the wheels and bearings, if so equipped, at least once a season with light oil or engine oil. Also, if the wheels are removed for any reason, lubricate the surface of the axle bolt and the inner surface of the wheel with light oil.
- Page 14 • Be sure to install the blade with the side of the • Lift the mower to access the belt from the underside blade marked “Bottom” (or with part number) facing of the mower. the ground when the mower is in the operating position.
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Page 15: Making Adjustments
Replacing Rear Flap • Attach the new flap and new rod to deck, bending the ends of the new rod over to secure to deck. • To remove rear flap, cut off the flat end of the wire rod which secures it to the deck. See Figure 16. Rear Discharge Door Handle... -
Page 16: Off- Season Storage
Adjusting Carburetor • Simply depress the lever towards the wheel and move the lever assembly to desired position. See Figure 18. NOTE: A dirty air cleaner may cause an engine to run rough too. Make sure that the air cleaner is clean and attached to the carburetor before deciding to adjust the carburetor. -
Page 17: Troubleshooting
SECTION 10: TROUBLE-SHOOTING GUIDE Problem Possible Cause Corrective Action Engine fails to start Blade control handle disengaged Engage blade control handle Spark plug wire disconnected Connect wire to spark plug Fuel tank empty, or stale fuel Fill up tank with fresh gasoline Blocked fuel line Clean fuel line Faulty spark plug... -
Page 18: Parts List
SECTION 11: PARTS LIST FOR MODEL 440 SERIES 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 19 Model 440 Series Ref. Ref. Part No. Description Part No. Description 747-2136 Lower Bail Handle 682-0015 Bearing Assembly 747-0824 Blade Control Handle 736-0447 Wave Washer 749-1501 Upper Handle 782-0512B Height Adj. Plate RH 710-1270 Oval C-Sunk Scr. 1/4-20 x 1.31” 782-0511A Height Adj.
- Page 20 Damage resulting from the installation or use of any acces- warranty above as to the parts as identified. No other sory or attachment not approved by MTD LLC for use with the express warranty, whether written or oral, except as...