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Yard-Man 979T Operator's Manual

21” self starter self propelled mower

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Operator's Manual
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 368022 Cleveland, Ohio 44136-9722.
MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722
PRINTED IN U.S.A.
21" Self Starter
Self Propelled
Mower
Model 979T
FORM NO. 770-10455.fm
(1/2001)

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Summary of Contents for Yard-Man 979T

  • Page 1 Operator’s Manual 21” Self Starter Self Propelled Mower Model 979T 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 SECTION 10: ILLUSTRATED PARTS LIST MODEL 979T Transmission and Pulley For Reference Only 12 47 Pulley Assembly For Reference Only...
  • Page 3 Model 979T Ref. Ref. Part No. Part Description Part No. Part Description 710-0134 Carriage Screw 1/4-20 x .62 731-1901 Trail Shield 710-0654A Scr. TT:3/8-18:1.00 732-0842 Trail Shield Wire 710-0703 Scr. 1/4-20 x .750 611-0064 Fr. Axle Ass’y. 712-0397 Wing Nut 1/4-20 710-1241 Hx Scr.
  • Page 4 Model 979T...
  • Page 5 Model 979T Ref. Ref. Part No. Part Description Part No. Part Description 710-1174 Bolt Cur. Carr. 5/16-18 x 2.0 16864 6 Spd. Rack Cable Brkt. 714-0104 Cotter Pin .072 x 1.12 Lg. 731-0905A Lower Control Housing 720-0241 Knob Ass’y Wingnut 5/16-18...
  • Page 6 Model 979T...
  • Page 7 Model 979T Ref. Part No. Part Description 746-0939 6 Spd. Cable 656-0613 Pulley Ass’y Multi- Spd. 710-0167 Scr. 1/4-20 x .50 Carr. 710-0896 Scr. AB 1/4-14 x .625 Hxinwsh 711-1114 Pivot Shaft 712-3006 Nut 1/4-20 732-0807 Torsion Spring LH 736-0270 Bell Wash.
  • Page 8 Model 979T...
  • Page 9 Model 979T Ref. Part No. Part Description 712-3025 Hex Jam Nut 5/16-24 736-0425 Bell Washer .325 x .930 756-0656 Pulley 736-3084 Flat Washer .510 x 1.120 712-0896 Hex Jam Nut 1/4-28 782-7598 Belt Keeper 741-0600 Bearing 750-1050 Flange Spacer 682-0027A...