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SNOW 

THROWER

MODEL

31BH763G401

OPERATOR’S MANUAL

IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY

MTD LLC P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

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.

PRINTED IN U.S.A.

FORM NO. 

770-10021D.fm

(6/02)

Summary of Contents for 31BH763G401

Page 1: ...d 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 abov...

Page 2: ...py the model number and the serial number of the equipment in the space below ENGINE INFORMATION The engine manufacturer is responsible for all engine related issues with regards to performance power...

Page 3: ...ye shields during operation and while performing an adjustment or repair to protect your eyes Thrown objects which ricochet can cause serious injury to the eyes 3 Do not operate without wearing adequa...

Page 4: ...ed 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 judgment Contact your dealer or telephone 1 800 800 7310 for...

Page 5: ...handle See Figure 2 Figure 2 Raise the upper handle assembly until it locks over the lower handle Look at the lower rear of snow thrower frame to be sure both cables are aligned with cable roller guid...

Page 6: ...chute tilt control forward to decrease the distance toward the rear to increase See Figure 5 Skid Shoe The position of the skid shoe is determined by the condition of the ground from where snow has t...

Page 7: ...ORTANT Do NOT attempt to turn the key Headlight The headlight is on whenever the engine is running Track Lock Lever The track lock lever is located on the right side of the snow thrower and is used to...

Page 8: ...engine is warm place choke in OFF position instead of FULL Push primer button two or three times If engine is warm push primer button once only NOTE Always cover vent hole in primer button when pushin...

Page 9: ...adjustment has been achieved Figure 7 Chute Clean out Tool The chute clean out tool is conveniently fastened to the rear of the auger housing with a mounting clip Should snow and ice lodge itself in...

Page 10: ...s follows To check the adjustment of the traction control clutch and shift lever proceed as follows With the engine off move the shift lever all the way forward to the highest speed With the traction...

Page 11: ...od as instructed under Final Adjustments in the Assembly Section before operating the snow thrower Skid Shoes The space between the shave plate and the ground can be adjusted See Figure 12 For close s...

Page 12: ...the seals could result Be sure the vent plug is free of grease in order to relieve pressure Auger Shaft At least once a season remove the shear bolts on the auger shaft Spray lubricant inside the sha...

Page 13: ...cessary to remove both belts in order to change either one If changing just one belt be certain to check the condition of the other belt Remove the plastic belt cover at the front of the engine by rem...

Page 14: ...underneath the snow thrower Remove the click pins which secure the wheels and remove the wheels from the axle Using a 7 8 wrench to hold the shaft loosen but do not completely remove the hex bolt and...

Page 15: ...carburetor by pressing upward on bowl drain located below the carburetor cover NOTE Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during storage Do not...

Page 16: ...Stop the engine immediately and disconnect the spark plug wire Tighten all bolts and nuts If vibration continues have the unit serviced by an authorized service dealer Unit fails to propel itself 1 T...

Page 17: ...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 Washer 76 x 1 5 x 030 13 736 0369 Flat Wash...

Page 18: ...67 65 57 58 55 54 8 17 11 22 21 18 4 1 11 15 19 7 14 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 62 5 5 38 35...

Page 19: ...1 1313C Cable Guide Chute Tilt 41 731 1320 Upper Chute 43 736 0159 5 16 Washer 45 736 0506 Special Washer 46 746 0896 Control Cable 47 746 0901 Control Cable 48 741 0475 Plastic Bushing 49 736 0159 5...

Page 20: ...20 Model 31BH763G401 1 2 3 4 5 6 7 8 9 10 11 12 14 15 13 16 10 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 9 19 43 44 45 46 47 48 49 30 50 31 21 22...

Page 21: ...0451 Carriage Bolt 5 16 18 x 1 00 35 684 0065 Impeller Assembly 36 715 0114 Pin 37 618 0122A Gear Assembly Complete 28 38 605 5196A Spiral Assembly RH 28 39 736 0188 Flat Washer 40 741 0493A Flange B...

Page 22: ...22 Model 31BH763G401 1 1 2 3 4 5 6 7 4 8 9 10 11 12 13 14 15 16 17 18 19 19 16 16 16 20 21 22 23 24 25 26 27 28 29 30 31...

Page 23: ...Lock Jam Nut 3 8 16 16 756 0569 Pulley Half 17 736 0242 Bell Washer 18 736 0505 Flat Washer 19 754 0430B Belt 20 756 0967 Auger Pulley 21 736 0247 Flat Washer 3 8 x 1 25 OD 22 736 0331 Bell Washer 23...

Page 24: ...24 25 19 26 27 24 23 22 21 16 17 18 19 20 29 30 31 2 32 32 34 30 2 27 26 19 25 36 21 24 23 22 12 2 30 10 18 19 20 2 1 13 11 14 15 9 3 7 6 5 4 32 40 39 38 Models 31BH763G401 28 8 35 41 41...

Page 25: ...er 1 4 ID x 93 OD 24 741 1111 Hex Flange Bearing 25 710 0643 Hex Cap Screw 5 16 18 x 1 26 748 0234 Shoulder Spacer 27 710 0604A Tap Screw 5 16 18 x 625 28 684 0031 Frame Assembly 29 738 0924 Hex Screw...

Page 26: ...G401 1 2 6 3 10 12 7 8 5 4 9 13 15 14 17 16 19 20 22 22 20 19 28 21 18 21 18 15 13 14 29 31 32 30 30 32 34 37 38 36 23 35 27 39 11 40 41 42 44 43 45 51 46 47 48 52 46 53 51 54 55 54 50 16 17 49 37 56...

Page 27: ...Dogg Assembly 24 684 0024 Idler Axle Assembly 25 710 1231 Eye Bolt 5 16 18 x 3 26 784 5639 Track Side Plate 27 711 0911 Actuator Shaft 28 713 0233 Chain 29 618 0169A Track Steering Shaft Assy 30 683 0...

Page 28: ...such as lubricants filters blade sharpening tune ups brake adjustments clutch adjustments deck adjustments and normal deterioration of the exterior finish due to use or exposure d MTD LLC does not ex...

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