Yard-Man 31AE993I401 manual Replacing Belts, Auger Belt, Figure

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Replacing Belts

Shear Bolts

 

Washer

Carriage Bolt

Hex Nut

Shave Plate

 

Figure 15

Remove the six carriage bolts (three per side), belleville washers and hex nuts which attach slide shoes to the snow thrower on two sides. See Figure 8.

Reassemble new slide shoes with the hardware removed earlier (cupped side of belleville washer against the slide shoes). Make certain the slide shoes are adjusted to be level.

To remove the shave plate, remove slide shoe as well as the carriage bolts, belleville washers and hex nuts which attach shave plate to the snow thrower housing. For location of shave plate and carriage bolts, see Figure 15.

Reassemble the new shave plate, making sure heads of carriage bolts are to the inside of the housing.

Reinstall the skid shoes and tighten securely.

Replacing Belts

To remove and replace either the auger belt or the drive belt, follow the steps below and then proceed to the specific steps listed under respective sub-headings.

Disconnect the chute crank assembly at the discharge chute end by removing the hairpin clip and the two flat washers.

Remove the plastic belt cover, located near the engine, by removing the three self-tapping screws and flat washers that secure it. See Figure 16.

Remove the large shoulder bolt and washer on the left hand side of the engine pulley. See Figure 16.

Hairpin

Flat

Belt Cover Bolts(3)

Belt Cover

Clip

Washers

 

 

 

 

 

 

 

Upper Bolt

 

 

Shoulder Bolt

(remove)

 

 

(do not remove)

 

Engine Pulley

 

 

Shoulder Bolt

 

 

Figure 16

Auger Belt

Remove the cotter pin and washer from the ferrule in order to disconnect the auger idler rod from the brake bracket assembly. See Figure 17.

Slip the auger control belt (the front belt) off the engine pulley.

Engine

 

Pulley

Auger Control

 

Auger Idler

Belt

 

Rod

 

Ferrule

 

Brake Bracket

 

Assembly

Cable Roller

 

Z Fitting

Guide

 

Figure 17

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Contents 33” Snow Thrower Model 31AE993I401OPERATOR’S MANUAL MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIOFINDING MODEL NUMBER TABLE OF CONTENTSContent CALLING CUSTOMER SUPPORTPreparation SECTION 1 IMPORTANT SAFE OPERATION PRACTICESTraining OperationMaintenance And Storage Loose Parts SECTION 2: ASSEMBLING YOUR SNOW THROWERUnpacking Assembling HandleAuger Control Final AdjustmentsTraction Control and Shift Lever Traction Control / Auger Control Lock SECTION 3: KNOWING YOUR SNOW THROWERAuger Control Skid ShoesChute Crank Safety Ignition KeyShift Lever Chute Tilt ControlGas And Oil Fill-up SECTION 4: OPERATING YOUR SNOW THROWERBefore Starting To Start EngineTo Engage Wheel Drive SECTION 5: MAKING ADJUSTMENTSTo Stop Engine To Engage AugersChute Assembly Skid Shoe AdjustmentAuger Control Adjustment Drive WheelsCarburetor SECTION 6: MAINTAINING YOUR SNOW THROWERGeneral Recommendations LubricationShave Plate and Skid Shoes SECTION 7: SERVICING YOUR SNOW THROWERAugers Auger Bearings and ShaftReplacing Belts Auger BeltChanging Friction Wheel Rubber Drive BeltEngine SECTION 8: OFF-SEASONSTORAGECause SECTION 9: TROUBLESHOOTINGProblem RemedyModel 31AE993I401 Part No Part DescriptionModel 31AE993I401 Part Description A 32 Part Description 15 22 18 14 7 21 1 13 3 20 20 24 31 Notes Page MANUFACTURER’S LIMITED WARRANTY FOR