Yard-Man 31AH763G401, Operator'S Manual

Page 1: ...Ie 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 de...

Page 2: ...stomer Support Department or an authorized dealer You can locate the model number by looking at the lower frame cover in the rear of your snow thrower 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 iv Model Number Serial Number M ZpTOV c o o oooc c o o t3 j Copy the model number here Copy the seria...

Page 3: ...ar safety glasses or eye 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 adequate winter outer garments Do not wear jeweIry long scarves or other loose clothing which could become entangled in moving parts Wear footwear which will improve footing on slipper...

Page 4: ...tions occur which are not covered in this manuaI use care and good judgment Contact your dealer or telephone 1 800 800 7310 for assistance and the name of your nearest servicing dealer Maintenance AndStorage 1 Never tamper with safety devices Check their proper operation regularly 2 Disengage all clutch levers and stop engine Wait until the augedimpeller come to a complete stop Disconnect the spar...

Page 5: ...ion ovar the lower handle _ _ Hex Lock Nuts Upper 712 0429 Carriage Bolt _ _ Tighten these wing nuts Figure 1 IMPORTANT NEVER replace the auger shear bolts with standard hex bolts Any damage to the auger gearbox or other components from standard hex bolts will not be covered by your snow thrower s warranty Assembling Handle NOTE Reference to the left or right side of the snow thrower in this manua...

Page 6: ...oceed as follows Move the shift lever into sixth 6 position With traction control released gently push the snow thrower forward then pull it back The machine should move freely Engage traction control and try to move the machine both forward and back You should experience resistance Move the shift lever into the fast reverse R2 position and repeat the previous two steps If you experienced resistan...

Page 7: ... adjustment readjust as necessary and tighten the jam nut SkidShoe The space between the shave plate and the ground can be adjusted by repositioning the skid shoes For close snow removal place skid shoes in the low position Use middle or high position when area to be cleared is uneven See Figure 8 When operating on gravel always put skid shoes in the high position Shoes _Hex Nuts Figure 8 NOTE Mak...

Page 8: ...gers engaged When the auger control lock is released you can release the traction control to stop both the augers and the wheel drive AugerDrive The auger drive clutch is located on the left handle Squeeze the clutch grip to engage the augers Release to stop the snow throwing action Traction drive clutch must also be released in order to stop auger Figure 9 Shift Lever The shift lever is located i...

Page 9: ...thrown Tilt the discharge chute up for greater distance tilt down for less distance SkidShoe The position of the skid shoe is determined by the condition of the ground from where snow has to be removed Refer to page 7 for details FuelShut off Valve if equipped The fuel shut oft valve if so equipped is located under the fuel tank This valve controls fuel flow from the tank Always make sure it is in...

Page 10: ... receptacle proceed as follows Rotate choke knob to OFF position Connect power cord to switch box on engine Plug the other end of power cord into a three prong 120 volt grounded AC receptacle Push starter button to crank engine As you crank the engine move choke knob to FULL choke position When engine starts release starter button and move choke gradually to OFF If engine falters move choke immedi...

Page 11: ...MPORTANT Never move shift lever without first releasing the traction control Doing so will cause premature wear to drive system s friction whee rubber ToEngage Augers TO engage the augers and start snow throwing squeeze the auger control against the left handle To disengage augers release both the auger control and the traction control if engaged NOTE The auger control can also be locked so that y...

Page 12: ...ment on page 7 ShiftRod To adjust the shift rod proceed as follows Remove the hairpin clip and slide the connector up to separate the upper shift rod from the lower shift rod See Figure 13 Hairpin Shift Lever Clip Fiat Hex Clutch Rod Connecto Upper Shift Rod Hairpin Clip Drive Plate Lower Shift Rod Figure 12 If either or both are lacking adjust traction control as instructed below Loosen the jam n...

Page 13: ...ains sprockets gears bearings shafts and shifting mechanism at least once a season Use engine oil or a spray lubricant Avoid getting oil on rubber friction wheel and aluminum drive plate ElectricChuteRotationMotor The gear on the electric chute rotation motor and the base of the discharge chute itself should be lubed with multi purpose automotive grease once a season See Figure 15 Lube gear and ch...

Page 14: ...f the snow thrower are subject to wear They should be checked periodically and replaced when necessary To remove skid shoes remove the four carriage bolts belleville washers and hex nuts which attach them to the snow thrower Reassemble new skid shoes with the hardware earlier removed Make certain the skid shoes are adjusted to be level To remove shave plate remove the carriage bolts belleville was...

Page 15: ... on the auger pulley See Figure 21 Slip belt between friction wheel and friction wheel disc See Figure 21 Remove and replace belt Reassemble the parts removed earlier NOTE The support bracket must rest on the stop bolt after the new belt has been assembled See Figure 21 Figure 21 Changing FrictionWheelRubber The rubber on the frictien wheel is subject to wear and should be checked after 25 hours o...

Page 16: ... film under the gas cap be certain to remove it Engine Refer to the engine manual for all engine related service procedures SECTION 8 OFF SEASON STORAGE WARNING Never store engine with fuel in tank indoors or in poorly ventilated areas where fuel fumes may reach an open flame spark or pilot light as on a furnace water heater clothes dryer or other gas appliance If unit is to be stored over 30 days...

Page 17: ...with fresh fuel 4 Refer to the engine manual 1 Connect and tighten spark plug wire 2 Remove ice and snow from gas cap Be certain vent hole is clear 3 Refer to the engine manual 1 Refer to the engine manual or have the carburetor adjusted by an authorized engine service dealer Stop engine immediately and disconnect spark plug wire Tighten all bolts and nuts If vibration continues have unit serviced...

Page 18: ...SECTION 10 PARTS LISTFORMODEL H763 2O J 37 31 v J 52 J 4 32 72 18 ...

Page 19: ... 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 Part No i732 0209 i732 0264 i736 0105 i736 0160 736 0178 736 0242 736 0270 736 0272 736 0287 736 0406 _737 0170 737 0318 738 0140 _738 0924 741 0339 741 0563 741 1111 746 0897 746 0898 746 0948 748 0190 748 0234 748 0353A 750 0547 750 0903 Part Description Extension Spring Extension Spring Spring Washer Flat Washer Flat Washer BeIe...

Page 20: ...ModelH763 1 2 3 4 5 38 18 41 14 13 10 11 6 31 22 4O 40 24 42 39 29 2O ...

Page 21: ...cement 28 Housing Assembly Grease Arctic Lock Nut 5 16 18 Bell Washer Chute Adapter Hex Lock Nut 1 4 20 Ref No 21 22 23 Part No 736 0463 784 5618 710 0703 24 710 0604 25 1736 0169 26 712 0798 Description Flat Washer Beadng Housing w Fitting Carriage Screw 1 4 20 x 75 Hex Washer Screw 5 16 18 Lock Washer 3 8 Hex Nut 3 8 16 27 28 29 33 34 35 36 37 38 39 40 41 42 741 0245 784 5580 736 0242 784 5582A ...

Page 22: ...ModelH763 26 43 22 35 51 23 12 94 83 89 9O 21 61 22 ...

Page 23: ...ring Compression Spring Torsion Spring R f NO 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 81 82 83 84 85 86 87 88 89 90 91 92 93 94 Part No 735 0199A 736 0105 736 0509 746 0778 747 0877 748 0362 748 0363 784 5619A 784 5679 784 5680 784 5661 784 5682 710 1233 712 0127 728 0157 746 0950 732 0705 618 0419 629 0937 710 0262 710 0451 710 0599 710 0602 71...

Page 24: ... 10 12 18 7 6 13 i 25 2O IMPORTANT For a 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 24 ...

Page 25: ...0 1710 0654A 629 0071 iOEM 390 987 Description Hex Washer Screw 1 4 20 x _ _25 Belt Cover Extension Spring Hex Screw 5 16 24 x 75 Hex Cap Screw 3 8 16 x 1 25 Drive Clutch Idler Bracket Shoulder Spacer Pulley Half V Belt Pulley Half BelI Washer Hex Cap Screw 1 4 28 x 50 Flat Idler Lock Hex Cap Screw 5 16 24 Lock Jam Nut 3 8 16 Pulley Half Bell Washer Flat Washer BeIt Auger Pulley Flat Washer 3 8 x ...

Page 26: ... 0369 736 0445 741 0662 741 0663 618 0122A Description RH Reducer Housing LH Reducer Housing Hex Screw 1 4 20 x 75 Spiral Axle 28 Key Pin Spiral Worm Gear 20T Worm Shaft Thrust Collar Grease Plug Grease Seal Flat Washer 76 x 1 5 x 030 Flat Washer 508 x 1 0 x 020 Flat Washer 76 x 1 5 x 060 Flange Bearing 75 x 1 0 x 89 Flange Bearing 75 x 1 0 x 925 Complete Assembly 28 26 ...

Page 27: ...ModelH763 777D02982 777120711 777120722 777_20324 777S30514 777D02976 777DO3166 777S3o5 1 777D00179 777D02975 777DO13_1 27 ...

Page 28: ...rate manufacturer s warranty Please refer to the applicable manufacturer s warranty on these items b Routine maintenance items such as lubricants filters blade sharpening and tune ups or adjustments such as brake adjustments clutch adjustments or deck adjustments and normal deterioration of the exterior finish due to use or exposure c Log splitter pumps valves and cylinders have a sepa rate one ye...