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Snow Thrower

Models

 31AH5C3F401

31AH5Q3G401

OPERATOR’S MANUAL

PRINTED IN U.S.A.

FORM NO. 

770-10028D.fm

(5/01)

IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY

MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722

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.

Summary of Contents for 31AH5C3F401

Page 1: ...ered 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 or...

Page 2: ...ed dealer You can locate the model number by looking at the lower frame cover on the rear of your snow thrower A sample model plate is explained below For future reference please copy the model number...

Page 3: ...res and other foreign objects which could be tripped over or thrown by the auger impeller 2 Always wear safety glasses or eye shields during operation and while performing an adjustment or repair to p...

Page 4: ...rge opening 19 Use only attachments and accessories approved by the manufacturer e g wheel weights tire chains cabs etc 20 If situations occur which are not covered in this manual use care and good ju...

Page 5: ...ly until it locks over the lower handle Look at the lower rear of the snow thrower frame to be sure all the cables are aligned with the cable roller guides Secure the upper handle and lower handle wit...

Page 6: ...ground to avoid uneven wear on the skid shoes When one side does wear out the skid shoes are reversible Figure 6 Retighten the hex nuts loosened earlier Repeat this adjustment on the skid shoe found...

Page 7: ...is located on the left handle Squeeze the control grip to engage the augers Release to stop the snow throwing action Traction control must also be released See Figure 7 Chute Tilt Control The distance...

Page 8: ...s the speed of the engine and will shut off the engine when pushed down completely See Figure 7 Safety Ignition Key The safety ignition key must be fully inserted in the switch before the unit will st...

Page 9: ...help dry off any moisture on the engine To help prevent possible freeze up of starter proceed as follows Electric Starter Connect power cord to switch box on engine then to 120 volt AC receptacle With...

Page 10: ...ustment Tip the snow thrower forward allowing it to rest on the auger housing Remove the frame cover underneath the snow thrower by removing the six self tapping screws With the traction control relea...

Page 11: ...nd stop engine Wait until all moving parts have come to a complete stop Disconnect spark plug wire and ground it against the engine to prevent unintended starting Lubrication Engine Refer to the separ...

Page 12: ...ill not turn check to see if the bolts have sheared Replacement shear bolts and hex lock nuts have been provided with the snow thrower When replacing bolts spray an oil lubricant into shaft before ins...

Page 13: ...y and friction wheel disc See Figure 14 Back out the stop bolt until the support bracket rests on the auger pulley See Figure 15 Slip the belt between the friction wheel and drive disc Remove and repl...

Page 14: ...ne to cool Extinguish cigarettes cigars pipes and other sources of ignition prior to draining fuel Fuel left in engine for extended periods deteriorates and will cause starting problems If unit is to...

Page 15: ...ghten all bolts and nuts If vibration continues have unit serviced by an authorized service dealer Unit fails to propel itself 1 Traction control cable in need of adjustment 2 Drive belt loose or dama...

Page 16: ...16 Notes...

Page 17: ...ro Key 3 16 x 5 8 6 715 0143 Spring Spiral Pin 25 x 1 25 7 717 0528 Worm Gear 20 tooth 8 717 0526 Worm Shaft 9 718 0186 Thrust Collar 10 721 0325 Grease Plug 11 721 0327 Grease Seal 12 736 0351 Flat W...

Page 18: ...1 18 4 1 11 15 19 52 7 14 23 38 35 35 39 9 43 26 25 31 40 41 9 50 24 37 31 45 9 51 40 46 47 53 59 29 68 69 69 27 82 70 72 72 73 27 68 71 74 27 56 64 76 77 78 79 11 15 75 81 27 83 80 13 13 57 58 58 66...

Page 19: ...1 2611 Motor Cover Chute Rotation 43 736 0159 5 16 Washer 44 736 0242 Belleville Washer 45 736 0506 Special Washer 46 746 0896 Control Cable 47 746 0901 Control Cable 48 741 1140 Bushing 49 784 5745 M...

Page 20: ...20 Models H5C3F H5Q3G 1 2 3 4 5 6 7 8 9 10 11 12 14 15 13 16 10 21 22 23 25 23 22 26 18 27 28 13 30 31 32 33 16 18 35 34 36 37 38 39 41 40 42 17 40 39 29 24 20 9 19...

Page 21: ...736 0169 Lock Washer 3 8 28 712 0798 Hex Nut 3 8 16 29 741 0245 Hex Flange Bearing 30 784 5038B Skid Shoe 31 736 0242 Bell Washer 32 712 3010 Hex Nut 5 16 18 33 784 5579A Shave Plate H5C3F 784 5582A S...

Page 22: ...8 19 19 16 16 16 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 IMPORTANT For a proper working machine use Factory Approved Parts V BELTS are specially designed to engage and disengage safely A subst...

Page 23: ...ock Hex Cap Screw 5 16 24 15 712 0181 Lock Jam Nut 3 8 16 16 756 0569 Pulley Half 17 736 0242 Bell Washer 18 736 0505 Flat Washer 19 754 0430A Belt 20 756 0967 Auger Pulley 21 736 0247 Flat Washer 3 8...

Page 24: ...37 33 37 10 9 13 1 34 26 31 30 16 9 43 17 34 46 34 18 19 6 39 18 24 40 34 32 14 20 32 35 38 45 40 34 32 38 32 20 14 9 48 5 7 49 36 47 36 47 11 41 42 11 9 43 16 30 9 51 13 9 26 34 4 25 7 54 55 57 53 2...

Page 25: ...ver LH 32 736 0351 Flat Washer 33 736 0626 Flat Washer 34 737 0170 Lubricant 6 in 1 35 737 0318 Grease 36 738 0924 Shoulder Screw 37 741 1111 Hex Flange Bearing 38 741 0598 Hex Flange Bearing 39 741 0...

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Page 27: ...27...

Page 28: ...on these items b Log splitter pumps valves and cylinders have a sepa rate one year warranty c Routine maintenance items such as lubricants filters blade sharpening and tune ups or adjustments such as...

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