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Operator's Manual
21" Mulching Mower
Model 549
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
769-00964A
PRINTED IN U.S.A.
Form No.
(4/5/2004)
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Table of Contents
Related Manuals for Yard-Man 549
Summary of Contents for Yard-Man 549
- Page 1 Operator’s Manual 21” Mulching Mower Model 549 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).
- Page 2 Content Important Safe Operation Practices Slope Gauge Assembling Your Lawn Mower Know Your Lawn Mower Operating Your Lawn Mower Making Adjustments This Operator’s Manual is an important part of your new lawn mower. It will help you assemble, prepare and maintain the unit for best performance.
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Page 3: General Operation
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: Slope Operation
immediately and the blade will stop rotating within three seconds. 9. Mow in daylight or good artificial light; walk, not run. 10. Stop the blade when crossing gravel drives, walkways or roads. 11. If the equipment should start to vibrate abnormally, stop the engine and check immediately for the cause. - Page 5 10. Never over fill fuel tank. Fill tank to no more than ½ inch below bottom of filler neck to provide space for fuel expansion. 11. Replace gasoline cap and tighten securely. 12. If gasoline is spilled, wipe it off the engine and equipment.
- Page 6 SECTION 2: SLOPE GAUGE Use this page as a guide to determine slopes where you may not operate safely. Do not operate your lawn mower on such slopes.
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Page 7: Hardware Pack
SECTION 3: ASSEMBLING YOUR LAWN MOWER Removing Unit From Carton • Remove staples, break glue on top flaps, or cut tape at carton end and open carton. • Remove loose parts if included with unit (i.e., operator’s manual, etc.) • Cut along corners, lay the carton down flat, and remove all packing material. - Page 8 • Fasten the cable to the lower handle with the two cable ties found on the lower handle. Pull the cable ties tight and trim off the excess. See Figure 5. Cable Tie Lower Handle Figure 5 NOTE: Your mower is shipped with the handle in the higher position.
- Page 9 hardtop cover so that the holes in the cover line up with the holes in the bracket. Insert the self tapping screws down through the hardtop cover and mounting bracket. Attaching Grass Catcher & Chute WARNING: Never operate the mower unless the hooks on the grass catcher are firmly seated on the chute pivot rod, and the rear discharge door rests firmly against the top...
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Page 10: Stopping Engine
Cutting Height Adjustment Levers These levers are located on each wheel and are used to adjust the cutting height. These levers have to be at the same relative position to ensure uniform cut. Recoil Starter The recoil starter is attached to the right upper handle. Stand behind the unit and pull the recoil starter rope to start the unit. -
Page 11: Handle Height Adjustment
WARNING: If the mower strikes a foreign object, stop the engine. Remove spark plug wire from the spark plug and thoroughly inspect for any damage. Repair the damage promptly before restarting and operating the mower. • For a healthy lawn, always cut off one-third or less of the total length of the grass. -
Page 12: Cleaning Mower
SECTION 7: MAINTAINING YOUR LAWN MOWER WARNING: Always stop the engine and disconnect the spark plug wire before performing any maintenance work or adjustments on your lawn mower. Cleaning Mower The underside of the mower deck should be cleaned after each use to prevent any build-up of grass clippings, leaves, dirt, or other debris. -
Page 13: Storing Your Lawn Mower
• Follow the original angle of grind as a guide. Make sure that each cutting edge receives an equal amount of grinding to prevent an unbalanced blade. WARNING: An unbalanced blade will cause excessive vibration when rotating at high speeds. It may cause damage to the mower, and could break causing personal injury. - Page 14 SECTION 10: PARTS LIST FOR MODEL 549 21 20...
- Page 15 Model 549 Ref. Part No. Part Description 749-1092A Upper Handle 747-1161A Control Handle 731-04302 Hardtop Cover 731-1506 Front End Cover 787-01113 Grass Bag Mounting Bracket 720-0279 Handle Knob 710-1205 Rope Guide 710-1174 Carriage Bolt 5/16-18 x 2” 736-0451 Shoulder Washer.320 ID x.930 OD...
- Page 16 MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the United States, its possessions and territories. “MTD” warrants this product against defects in material and workmanship for a period of two (2) years commencing on the date of original purchase and will, at its option, repair or replace, free of charge, any part found to be defective in...