6
Maintaining
Your Snow
Thrower
WARNING
Always stop engine, disconnect spark plug, and ground against engine before cleaning, lubricating or performing any kind of maintenance or adjustment on your machine.
IMPORTANT Avoid oil spillage on rubber friction wheel and aluminum drive plate.
Do not overfill the gear case. Damage to the seals could result.
WARNING: Always wear safety glasses during operation or while performing any adjustments or repairs.
Engine
Refer to the separate engine manual packed with your unit for all engine maintenance.
Lubrication
Gear (Hex) Shaft
Once a season, lubricate the hex shaft with a penetrat- ing oil, but not grease. Refer to Figure 17.
Wheels
At least once a season, remove both wheels. Clean and coat the axles with a multipurpose automotive grease before reinstalling wheels.
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 24.
Gear Case
The auger gear case has been filled with grease at the factory. If disassembled for any reason, lubricate with two ounces of grease (Part Number
NOTE: Do not overfill the gear case. Damage to the seals could result. Be sure the vent plug is free of grease in order to relieve pressure.
Drive Mechanism
Remove rear cover. Oil any chains, 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.
Engine
Refer to the separate engine manual packed with your unit for all engine lubrication instructions.
Drive/Auger Control Lock
The cam on the ends of the control rods which interlock the drive and auger controls must be lubricated at least once a season or every 25 hours of operation using
a
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 Figures 18A or 18B.
Figure 17
Figure 18A - Standard Skid Shoe
Figure 18B - Reversible Skid Shoe
To remove shave plate:
1.Remove the carriage bolts and hex nuts which attach it and the skid shoes to the snow thrower housing.
2.Reassemble new shave plate, making sure heads of carriage bolts are to the inside of housing. Tighten securely.
16
