operation, remove rear cover. Lubricate 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. Refer to Figure 14.
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 EPR00, part number
IMPORTANT: Do not overfill the gear case. Be sure the vent plug is free of grease in order to relieve pressure.
Traction Control / Auger Control Lock
The cams on the ends of the control rods which interlock the traction drive and auger drive clutches
must be lubricated at least once a season or every twenty five hours of operation. The cams can be accessed beneath the handle panel. Use a multi- purpose automotive grease.
Lube spiral and chute base
Figure 19
SECTION 7: SERVICE
WARNING: Before servicing, repairing, or inspecting, disengage all clutch levers and stop engine. Wait until all moving parts have come to a complete stop. Disconnect spark plug wire and ground it against the engine to prevent unintended starting.
Auger Belt(s)
•Remove the plastic belt cover on front of the engine by removing the two
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, remove the four carriage bolts, belleville washers and hex nuts which attach them to the snow thrower. Reassemble new skid shoes with the four carriage bolts, belleville washers (cupped side goes against skid shoes) and hex nuts. Make certain the skid shoes are adjusted to be level.
•To remove shave plate, remove the carriage bolts, belleville washers and hex nuts which attach it to the snow thrower housing. Reassemble new shave plate, making sure heads of the carriage bolts are to the inside of the housing. Tighten securely.
Belt Removal and Replacement
WARNING: Disconnect the spark plug wire from the spark plug and ground.
Belt
Cover
Figure 20
•Drain the gasoline from the snow thrower, or place a piece of plastic film under the gas cap.
•Tip the snow thrower up and forward so that it rests on its auger housing.
•Remove six
•Roll the front and rear auger belts off the engine pulley. See Figure 21.
NOTE: Model E633 has only one auger belt. Disregard any instructions regarding the second auger belt if you have this model of snow thrower.
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