Lubrication

For a view of the lubrication points on the snow thrower, see Figure 19.

Sprocket Shaft

Lubricate the sprocket shaft with grease at least once a season or after every 25 hours of operation.

IMPORTANT: Keep all grease and oil off of the friction wheel and the drive plate.

Shifting Mechanism

Lubricate the shifting mechanism and pivot points on the shift rod with engine oil at least once a season or after every 25 hours of operation.

Traction Drive Control

Lubricate cams on the ends of the control rods, which interlock the traction drive and auger controls, at least once a season or every 25 hours of operation with grease. The cams can be accessed beneath the handle panel.

Gear Case

The gear case is lubricated with grease at the factory and does not require checking. If disassembled for any reason, lubricate with two ounces of Shell Alvania grease.

Bearings

Once a season lubricate the auger bearings and the bearings on the side of the frame with light oil. See lube chart below.

Check V-belts

Follow the instructions below to check the condition of the drive belts every 50 hours of operation.

Remove the plastic belt cover on the front of the engine by removing two self-tapping screws.

Visually inspect for frayed, cracked, or excessively worn out belts.

Check Friction Wheel

Follow the instructions below to check the condition of the friction wheel rubber every 25 hours of operation.

Remove the six self-tapping screws from the frame cover underneath the snow thrower. See Figure 20.

Self-Tapping

Screw

Self-Tapping

Screw

LUBE

LUBE

LUBE LUBE

Figure 19: Lubrication Chart

Figure 20

Visually inspect the friction wheel rubber for excessive wear, cracks, or loose fit on the friction wheel drive hub.

Also engage traction drive control and check if the friction wheel is making contact with the friction plate.

If it does not make contact, adjust the traction drive cable following instructions and recheck the friction wheel.

Replace friction wheel rubber if necessary. Refer to instructions on page 23.

Engine Maintenance

Engine Oil

Only use high quality detergent oil rated with API service classification SF, SG or SH. Select the oil’s SAE viscosity grade according to the expected operating temperature.

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Craftsman 247.88853 owner manual Lubrication, Check V-belts, Check Friction Wheel, Engine Maintenance

247.88853 specifications

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