Troy-Bilt Series 959 Operator's Manual
Troy-Bilt Series 959 Operator's Manual

Troy-Bilt Series 959 Operator's Manual

21" self-propelled mower

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Operator's Manual
21" Self-Propelled
Mower
Model Series
959
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.
Troy-Bilt LLC, P.O. BOX361131CLEVELAND,0HI0 44136-0019
PRINTED IN U.S.A.
FORM
NO. 769-00018
(2/2002)

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Summary of Contents for Troy-Bilt Series 959

  • 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. Troy-Bilt LLC, P.O. BOX361131CLEVELAND,0HI0 44136-0019 PRINTED IN U.S.A. FORM NO.
  • Page 2: Calling Customer Support

    TABLEOFCONTENTS Content Page Important Safe Operation Practices ................... Slope Gauge ........................Assembling Your Lawn Mower ..................Know Your Lawn Mower ....................Operating Your Lawn Mower ..................... Making Adjustments ......................Maintaining Your Lawn Mower ................... Servicing Your Lawn Mower ....................Off-Season Storage ......................Troubleshooting .........................
  • Page 3: Section 1: Important Safeoperation Practices

    SECTION 1: IMPORTANT SAFEOPERATION 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

    20. Never operate m ower without proper trail s hield, Keep children away from hot or running engines. They discharge cover, grass c atcher, blade control handle or can suffer burns from a hot muffler. other s afety p rotective devices inplace and working. Never allow children under 14 years old to operate a Never operate m ower with damaged safety d evices.
  • Page 5: Your Responsibility

    3. Check t heblade and engine m ounting bolts atfrequent 8. Never attempt tomake awheel orcutting h eight intervals forproper tightness. Also, visually inspect blade adjustment while theengine i srunning. fordamage (e.g., bent, cracked, worn) R eplace blade 9. Grass c atcher components, discharge cover, and trail with the odginal equipment manufacture's (O.E.M) blade...
  • Page 6 USE THIS PAGE AS A GUIDE TO DETERMINE SLOPES WHERE YOU MAY NOT OPERATE SAFELY. SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE A POWER POLE A CORNER OF A BUILDING 15° LI.J _IbWARNING 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 Your Lawnmower

    SECTION 3: ASSEMBLING YOUR LAWNMOWER IMPORTANT: This unit is shipped without gasoline or oil in the engine. Be certain to service engine with gasoline Assembly and oil as instructed in the separate engine manual before operating your mower. NOTE: Reference to right or left hand side of the mower is observed from the operating position.
  • Page 8: Section 4: Knowyour Lawnmower

    With the spark plug wire disconnected and Attaching Starter Rope grounded, hold the blade control handle against the The rope guide is attached to the right side of upper upper handle, and pull the starter rope out of the handle. Loosen the wing nut which secures the engine.
  • Page 9: Section 5: Operating Your Lawnmower

    SECTION 5: OPERATING YOUR LAWNMOWER Starting Engine WARNING: Keep hands and feet away from Prime engine as instructed in the separate engine chute area on the cutting deck. The operation manual. of any lawn mower can result in foreign objects Your lawn mower is equipped with a constant being thrown into the eyes., which can result in speed throttle, which is set at full throttle for best...
  • Page 10: Section 6: Makingadjustments

    Attach side discharge chute to unit and secure with Attaching Side DischargeChute the three wing nuts. See Figure 7. This mower can side discharge grass clippings. Follow instructions below to ready this mower for side discharge operation. Remove mulching baffle from unit by disconnecting wing nuts.
  • Page 11: Section 7: Maintaining Your Lawnmower

    Stop engine and disconnect spark plug wire and NOTE: For some people the drive clutch handle may ground it against engine. not be in a comfortable position. You can adjust the Loosen hex nut (A) which secures the adjustable handle out by tightening the adjustment wheel. cable bracket.
  • Page 12: Section 8: Servicing Your Lawnmower

    Clean the engine regularly with a cloth or brush. the wheel are removed for any reason, lubricate the Keep the cooling system (blower housing area) surface of the wheel with light oil. See Figure 12. clean to permit proper air circulation which is essential to engine performance and life.
  • Page 13: Drivebelt Removaland Replacement

    DriveBelt Removaland Replacement Slide the belt out from between the belt keeper bracket and the idler pulley. See Figure 16. Disconnect the spark plug wire and ground it Transmission against the engine. Pulle_ Drain the fuel tank or place a piece of plastic beneath the cap to prevent gasoline leakage.
  • Page 14: Section 9: Offseason Storage

    Place thenewbeltoverthetransmission pulley. Pivot the control arm back to its original position Start t hebeltinpulley groove androtate pulley until and reinstall the three-speed cable into the slot. beltis seated intransmission pulley. See Figure 20. Placebeltbetween idlerpulley andthebeltkeeper Check and make sure the belt is routed inside the bracket.
  • Page 15: Section 10: Trouble-Shooting

    SECTION 10: TROUBLE-SHOOTING GUIDE 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.
  • Page 16 SECTION 11: ILLUSTRATED PARTS LIST 959...
  • Page 17 Model959 Ref. Ref. Part No. Part No. Part Description Part Description 748-0381 Pawl RH 647-0004 Control Handle 748-0188B Pawl LH 731-0904A Upper Control Handle 738-0137A Shld Screw ,340 ID x .285 OD 16864 3 Spd, Rack Cable Bracket 748-0318 Wheel Rachet 731-0620 Control Lever 736-0270...
  • Page 18 Model959 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 Model959 Ref. Ref. Part No. Part No. Part Description Part Description 712-0896 Hex Jam Nut 1/4-28 720-0223 Grip 782-7598 732-0803A Belt Keeper Spring Lever 741-0600 738-0529 Bearing Shoulder Nut ,825 x ,165 Lg. 732-0849A 710-0751 Extension Spring Cap Screw 1/4-20 x .620 750-1050 736-0270 Bell Washer ,285 ID x ,75 OD...
  • Page 20 FOR: _lllmlF IIMIImllMIImlr The limited warranty set forth below is given by Troy-Bilt LLC Troy-Bilt LLC does not extend any warranty for with respect to new merchandise purchased and used in the products sold or exported outside of the United States, United States, its possessions and territories.

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