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Yard-Man Model 503 Operator's Manual

22" rotary mowers
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Operator's Manual
22" Rotary Mowers
Model 503
IMPORTANT:
READ SAFETY
RULES AND INSTRUCTIONS
CAREFULLY
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
PRINTED IN U.S.A.
FORM NO.769-00904
(10/03)

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Summary of Contents for Yard-Man Model 503

  • Page 1 Operator's Manual 22" Rotary Mowers Model 503 IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY 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: Customer Support

    TABLEOFCONTENTS Content Page Content Page Important Safe Operation Practices Making Adjustments Slope Gauge Maintaining Your Lawn Mower Assembling Your Lawn Mower Trouble Shooting Know Your Lawn Mower Illustrated Parts List Operating Your Lawn Mower Warranty FINDINGMODELNUMBER 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.

  • Page 3: Section 1: Important Safeoperation P Ractices

    SECTION 1: IMPORTANT SAFEOPERATION P RACTICES 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

    18. Ifthe equipment should s tart t ovibrate a bnormally, stop watchful care of a responsible adult other than the the engine a nd check i mmediately forthe cause. operator. Vibration isgenerally awarning oftrouble. Be alert and turn mower off if a child enters the area. 19.
  • Page 5 GeneralService: Thoroughly inspect the mower for any damage. Repair the damage before starting and operating the mower. Never run an engine indoors or in a poorly ventilated Never attempt to make a wheel or cutting height area. Engine exhaust contains carbon monoxide, an adjustment while the engine is running.
  • Page 6 SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE i,,II A POWER POLE A CORNER OF A BUILDING OR A FENCE POST WARNING Do not mow on inclines with a slope in excess of 15 degrees (a rise of approximately 2-1/2 feet every 10 feet). A riding mower could overturn and cause serious injury.

  • Page 7: Section 3: Assembling Y Our Lawnmower

    SECTION 3: ASSEMBLING Y OUR LAWNMOWER IMPORTANT: This unit is shipped without gasoline or oil To secure the upper and lower handle, tighten the in the engine. Be certain to service engine with gasoline wing nuts near the top of lower handle (carriage and oil as instructed in the separate engine manual bolts must be seated properly into the before operating your mower.
  • Page 8 InstallingFront Wheels • Lower the chute deflector carefully to its operating • Place the front of the mower deck on raised blocks. position keeping your fingers out of the way. • Remove lock nut from pivot arm assembly, slide wheel onto pivot arm assembly and secure with lock nut.

  • Page 9: Section 4: Know Your Lawnmower

    IMPORTANT: This unit is shipped without gasoline or oil and oil as instructed in the separate engine manual in the engine. Be certain to service engine with gasoline before operating your mower. SECTION 4: KNOW YOUR LAWNMOWER Read this operator's manual and safety rules before Blade Control operating your lawn mower.

  • Page 10: Section 6: Making Adjustments

    • Yourlawnmower m aybeequipped w itha constant in the fall as long as there is growth. This mower is speed throttle, w hich issetatfullthrottle forbest designed to be operated at full throttle to give you the performance. best cut and do the most effective job of mowing or •...

  • Page 11: Section 7: Maintaining Your Lawnmower

    SECTION 7: MAINTAINING YOUR LAWNMOWER Customer R esponsibilities £ SERVICE MAINTENANCE DATES SCHEDULE ,_,,_,,, <e Lubricate Wheels t--- © Lubricate Blade Control Clean Deck Blade Care Check Oil Change Oil Replace Air Filter Clean Engine Check Spark Plug Check Spark Arrester (if any) General R ecommendations Blade Control Handle: Lubricate the pivot points on the blade control handle at least once a season with...

  • Page 12: Maintenance

    Maintenance Removingthe Blade • Disconnect spark plug wire from spark plug. NOTE: When tipping the unit or emptying the fuel tank • Turn mower on its side making sure that the air filter keep the air cleaner side of engine up. Never tip the and the carburetor are up.

  • Page 13: Section 8: Troubleshooting

    SECTION 8: TROUBLESHOOTING Problem Cause Remedy 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 tank with clean, fresh gasoline. Blocked fuel line. Clean fuel line.
  • Page 14 SECTION 9: PARTSLISTFORMODEL 503 18 19 lIf Equipped...
  • Page 15 Model503 Ref, Ref. Part No. Part No. Part Description Part Description 747-1161A Blade Control Handle 710-1044 Hex Cap Screw 3/8-24 x 1.5 749-1092A 736-0524A Upper Handle Blade Bell Support 746-0946 Blade Control Cable - 48.25" 738-1172 Shoulder Screw 3/8 - 16 x.302 710-1205 736-0741 Bell Washer.760 ID x 1.25 OD...
  • Page 16 MANUFACTURER'S LIMITED WARRANTY FOR: YaRD.MaN ® The limited warranty set forth below is given by MTD LLC with MTD does not extend any warranty for products sold or respect to new merchandise purchased and used in the exported outside of the United States, its possessions United States, its possessions and territories.

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