Cub Cadet S979 Operator's Manual

21” smart touch-starter mower

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Operator's Manual
21" Smart Touch-
Starter Mower
Model S979
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.
Troy-Bilt LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
PRINTED IN U.S.A.
769-00019B.fm
Form No.
(10/2002)

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Summary of Contents for Cub Cadet S979

  • Page 1 Operator’s Manual 21” Smart Touch- Starter Mower Model S979 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...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Content Page Important Safe Operation Practices..............3 Slope Gauge......................6 Assembling Your Lawn Mower ................7 Know Your Lawn Mower ..................9 Operating Your Lawn Mower ................10 Making Adjustments ..................... 12 Maintaining Your Lawn Mower ................13 Troubleshooting....................
  • 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 immediately and the blade will stop rotating within 3. Do not mow on wet grass. Unstable footing could three seconds. cause slipping. 9. Mow in daylight or good artificial light; walk, not run. Children 10. Stop the blade when crossing gravel drives, walkways or roads.
  • Page 5 10. Never over fill fuel tank. Fill tank to no more than ½ servicing them. inch below bottom of filler neck to provide space for 5. Keep all nuts, bolts, and screws tight to be sure the fuel expansion. equipment is in safe working condition. 11.
  • Page 6: Slope Gauge

    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.
  • Page 7: Assembling Your Lawn Mower

    SECTION 3: ASSEMBLING YOUR LAWN MOWER Removing Unit From Carton Setting Up Your Lawn Mower • Remove staples, break glue on top flaps, or cut Assembling Handle 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 Adapter ties tight and trim off the excess. See Figure 5. Cable Tie Lower Handle Wing Nuts Figure 5 Figure 7 Attaching Starter Rope...
  • Page 9: Know Your Lawn Mower

    SECTION 4: KNOW YOUR LAWN MOWER Read this operator’s manual and safety rules before NOTE: The starter button must be depressed to start operating your lawn mower. Compare the illustration in the engine either with the Smart Touch starter or recoil Figure 10 with your lawn mower to familiarize yourself starter system.
  • Page 10: Operating Your Lawn Mower

    SECTION 5: OPERATING YOUR LAWN MOWER 2. Remove plastic wrap under fuel cap. WARNING: Read, understand, and follow all 3. Check oil level. instructions and warnings on the machine and 4. Add fuel. in this manual before operating. 5. Open shut-off valve (if equipped) 1/4 turn. 6.
  • Page 11 2. Turn safety key 1/4 turn counterclockwise to LOCK discharge of grass clippings, and could cause you position. Remove key and store in a safe place. to slip and fall. New grass or thick grass may require a narrower cut. To De-Energize Smart Touch Starter •...
  • Page 12: Making Adjustments

    SECTION 6: MAKING ADJUSTMENTS WARNING: Do not at any time make any adjustments without first stopping engine and Notch disconnecting spark plug wire. Lower Handle Cutting Height Your mower is shipped with the cutting height in the lowest position. The cutting height adjustment lever is located above the left rear wheel.
  • Page 13: Maintaining Your Lawn Mower

    Shift Lever Cable • Start engine and place shift lever in the third speed position. Refer to Figure 13. Periodic adjustment of the three-speed shift cable may • Stop engine and disconnect spark plug wire and be necessary due to normal wear on the cable. ground it against engine.
  • Page 14 Rear Discharge Door Also, if the wheels are removed for any reason, lubricate the surface of the axle bolt and the inner • Lubricate the torsion spring and the pivot point on surface of the wheel with light oil. each end of the rear discharge door using a light oil. This will prevent rusting of the discharge door.
  • Page 15 • Move the cutting height adjustment to the highest • Slide the belt out from between the belt keeper position. bracket and the idler pulley.See Figure 18. • Remove the three hex screws holding the baffle to • Squeeze the belt together and push it forward, the deck and pivot baffle towards the rear of the while pressing the control arm inward towards the mower.
  • Page 16 • Pinch both sides of the belt together so that the belt • Make sure the belt is routed inside the pulley halves is not in the pulley groove, and the lower pulley can and the belt guard pin. be pushed towards the engine. See Figure 21. •...
  • Page 17: Troubleshooting

    SECTION 10: TROUBLESHOOTING Problem Cause Remedy Engine fails to start 1. Blade control handle disengaged. 1. Engage blade control handle. 2. Spark plug wire disconnected. 2. Connect wire to spark plug. 3. Fuel tank empty or stale fuel. 3. Fill tank with clean, fresh gasoline. 4.
  • Page 18 YOUR NOTES Date Comments...
  • Page 19 Safety & Decorative Labels 777S30116 AVOID SERIOUS INJURY OR DEATH • KEEP HANDS AND FEET AWAY FROM ROTATING PARTS. • REMOVE OBJECTS THAT CAN BE THROWN BY THE BLADE IN ANY DIRECTION. WEAR SAFETY GLASSES. • DO NOT MOW WHEN CHILDREN OR OTHERS ARE AROUND.
  • Page 20: Parts List

    SECTION 11: PARTS LIST FOR MODEL S979 36 37 IMPORTANT: 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 21 Model S979 Ref. Part No. Description Ref. Part No. Description 647-0070 Control Handle 16855 Ratchet Pawl Plate 731-2623 Bail Cover (Not shown) 10622B Plastic Spring Ratchet 731-0904A Upper Control Handle 748-0381 Pawl RH 16864 6 Spd. Rack Cable Bracket 748-0188B...
  • Page 22 Model S979...
  • Page 23 Model S979 Ref. Ref. Part No. Part Description Part No. Part Description 720-0223 Grip 712-0896 Hex Jam Nut 1/4-28 732-0803A 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...
  • Page 24 MANUFACTURER’S LIMITED WARRANTY FOR: 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. States, its possesions and territories, except those sold through Troy-Bilt LLC’s authorized channels of Troy-Bilt LLC warrants this product against defects for a...

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