6

Maintaining

Your Snow

Thrower

WARNING

Before lubricating, repairing, or inspect- ing, disengage all controls and stop engine. Wait until all moving parts have come to a complete stop.

Engine

Refer to the separate engine manual packed with your unit for all engine maintenance.

Lubrication

Engine

Refer to the separate engine manual packed with your unit for all engine lubrication instructions.

Gear Shaft

The gear (hex) shaft should be lubricated at least once a season or after every 25 hours of operation.

1.Carefully pivot the snow thrower up and forward so that it rests on the auger housing.

2.Remove the lower frame cover by removing the two screws which secure it.

3.Apply a light coating of an all-weather multi-purpose oil to the hex shaft. See Figure 6-1.

NOTE: Avoid getting oil on rubber friction wheel and aluminum drive plate.

Wheels

At least once a season, remove both wheels. Clean and coat the axles with a multipurpose automotive grease before reinstalling wheels.

Chute Directional Control (optional)

Once a season, the joystick should be lubricated with petroleum jelly, linseed oil, mineral oil, paraffin wax or 3-in-1 oil.

Auger Shaft

At least once a season, remove the shear pins on auger shaft. Spray lubricant inside shaft, around the spacers. Also lubricate the flange bearings found at either end of the shaft. See Figure 6-2.

 

Figure 6-1

 

3HEARE0IN

3PACERS

"EARING

 

 

 

Figure 6-2

 

Keep all grease and oil off of the rubber friction wheel and aluminum drive plate.

Shave Plate and Skid Shoes

The shave plate and skid shoes on the bottom of the snow thrower are subject to wear. They should be checked periodically and replaced when necessary. To remove skid shoes:

1. Remove the four carriage bolts and hex flange nuts which secure them to the snow thrower.

2. Reassemble new skid shoes with the four carriage bolts (two on each side) and hex flange nuts. Refer to Figure 6-3.

To remove shave plate:

1. Remove the carriage bolts and hex nuts which attach

 

it and the skid shoes to the snow thrower housing.

Figure 6-3

 

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

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MTD 769-03250 warranty Maintaining Your Snow Thrower, Engine, Lubrication, Shave Plate and Skid Shoes