Troy-Bilt 998Q Operator's Manual
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Troy-Bilt 998Q Operator's Manual

Troy-Bilt 998Q Operator's Manual

21" self-propelled mower
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0 T RoKRILT
Operator's Manual
21" Self-Propelled
Mower
Model 998Q
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-cov-
ered, 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 attester 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,OHIO44136-0019
PRINTED IN U.S.A.
Form No.769-00492
(11/2002)

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Summary of Contents for Troy-Bilt 998Q

  • Page 1 Federal laws apply on federal lands. A spark attester 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,OHIO44136-0019 PRINTED IN U.S.A. Form No.769-00492...

  • Page 2: Table Of Contents

    A sample model plate is explained below. For future reference, please copy the model number and the serial number of the equipment in the space below. Model Number) (Serial Number) Copy the model number here: Copy the serial number here: O BILT, TROY-BILT P. O. BOX 361131 www.troybilt.com CLEVELAND, OH44136 330-558-7220 866-840-6483...

  • Page 3: Important Safe Operation Practices

    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 immediately andthebladewillstoprotating within Do not mow on wet grass. Unstable footing could threeseconds. cause slipping. 9. Mowindaylight o rgoodartificial light; w alk,notrun. Children 10.Stoptheblade whencrossing g ravel d rives, walkways o r roads. Tragic accidents can occur if the operator is not alert to 11.
  • Page 5 10.Never o verfillfueltank.Filltankto nomorethan Mower blades are sharp and can cut. Wrap the inch below bottom of filler neck to provide space for blade or wear gloves, and use extra caution when fuel expansion. servicing them. 11. Replace gasoline cap and tighten securely. Keep all nuts, bolts, and screws tight to be sure the 12.

  • Page 6: Slope Gauge

    SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE A POWER POLE A CORNER OF A BUILDING OR A FENCE POST 15° •5 WARNING ¢o _ 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 o.

  • Page 7: Assembling Your Lawn Mower

    SECTION 3: ASSEMBLING YOUR LAWNMOWER Removing UnitFromCarton SettingUpYourLawnMower • Remove staples, break glue on top flaps, or cut AssemblingHandle tape at carton end and peel along top flap to open • Lift up and pull back on the upper handle to raise carton.
  • Page 8 Fasten the cable to the lower handle with the two Grass Bag cable ties found on the lower handle. Pull the cable ties tight and trim off the excess. See Figure 5. Cable Tie. Handle w,oi Nuts Figure 5 Figure 7 Attaching StarterRope •...

  • Page 9: Know Your Lawn Mower

    SECTION 4: KNOW YOUR LAWNMOWER Read this operator's manual and safety rules before MulchingPlug operating your lawn mower. Compare the illustration in The mulching plug is used only for mulching purposes. Figure 10 with your lawn mower to familiarize yourself Instead of collecting grass clippings in a grass catcher, with the location of various controls and adjustments.

  • Page 10: Operating Your Lawn Mower

    SECTION 5: OPERATING Y OUR LAWNMOWER Neutral AdjustmentTest To perform the neutral adjustment test, answer the i_lb WARNING: Read, understand, and follow all instructions and warnings on the machine and following questions. in this manual before operating. • With the drive clutch control released, push mower NOTE: For shipping purposes your mower is set with forward and pull it backward.

  • Page 11: Making Adjustments

    Using YourLawnMower WARNING: If the mower strikes a foreign object, stop the engine. Remove spark plug wire from the spark plug and thoroughly inspect ARNING: Do not operate the mower without mulching battle, discharge chute or for any damage. Repair the damage promptly grass catcher properly installed.
  • Page 12 Cutting Height CasterLockAdjustment Your mower is shipped with the cutting height in the The casters can be locked in a straight ahead position lowest position. To adjust the rear cutting height, or position to swivel freely. See Figure 14. proceed as follows: •...

  • Page 13: Maintaining Your Lawn Mower

    • Start engine and place shift lever in the third speed • Push back on the adjustable cable bracket and position. Stop engine and disconnect spark plug tighten hex nut. wire and ground it against engine. • Loosen hex nut which secures the adjustable cable EngineAdjustments bracket.
  • Page 14 Blade ControlHandle Wheels • Lubricate the pivot points on the blade control • Lubricate the wheels and bearings, if so equipped, handle at least once a season with light oil. The at least once a season with light oil or engine oil. blade control must operate freely in both directions.
  • Page 15 DriveBeltReplacement • Disconnect the spark plug wire and ground it Transmissi/o_7_'_ f_,_L_ "_I against the engine. • Drain the fuel tank or place a piece of plastic beneath the cap to prevent gasoline leakage. • Place shift lever in the first position and tip the mower on its side with air filter facing up.
  • Page 16 • Pivot the control arm back to its original position and reinstall the three-speed cable into the slot. Upper See Figure 25. Ha,, Three-Speed Cable Tab_Belt J/_,Lower Pulley Belt _---_/_-----_'_- Half Figure 23 Control IMPORTANT: When replacing the belt, do not disas- semble the lower pulley assembly.

  • Page 17: Troubleshooting

    SECTION 10: 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 18 YOUR NOTES Date Comments...
  • Page 19 Safety& Decorative Labels 777S30116 777S30118 777120291 I_DAMaIR _1 777120880 777120798 777S30128 777S30145 I1#ANeEn II 777120745 777120292...

  • Page 20: Parts List

    SECTION 11: PARTS LISTFORMODEL 998Q IMPORTANT: proper working machine, use Factory Approved Parts. V-BELTS are specially designed to engage and disengage safely. A substitute (non OEM) V-Belt be dangerous by nol disengaging completely.
  • Page 21 Model998Q Ref. Part No. Ref. Description Part No. Description B47-00408 Control Handle Bell Washer .265 ID x .75 OD 736-0270 731-0904A Upper Control Handle 710-0751 Hex Cap Screw 1/4-20 x .620 16864 737-3000 3-Speed Rack Cable Bracket Grease Fitting 731-0620 Control Lever Flat Washer .203 ID x .403 OD 736-0931...
  • Page 22 Model998Q...
  • Page 23 Model998Q Ref. Ref. Part No. Part Description Part No. Part Description 720-0223 Hex Jam Nut 1/4-28 Grip 712-0896 732-0803A Spring Lever 782-7598 Belt Keeper 738-0529 Shoulder Nut .825 x.165 Lg. 741-0600 Bearing 710-0751 Cap Screw 1/4-20 x .620 732-0849A Extension Spring 736-0270 Bell Washer .285 ID x.75 OD 750-1050...
  • Page 24 MANUFACTURER'S LIMITED WARRANTY FOR: 0 TPD RILT'__ The limited warranty set forth below is given by Troy-Bilt Troy-Bilt LLC does not extend any warranty for LLC with respect to new merchandise purchased and used products sold or exported outside of the United in the United States, its possessions and territories.

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