AUGER SHAFT
At least once a season, remove shear bolts on auger shaft. Oil or spray lubricant inside shaft. Also lubri- cate the auger bearings at least once a season. See Figure 23.
Shear Bolts | |
Bearings | Bearings |
Figure 23
GEAR SHAFT
Lubricate the gear shaft with a good
Refer to Figure 20.
IMPORTANT: Keep all grease and oil off of the friction wheel and drive plate.
DRIVE AND SHIFTING 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 lubri- cant. Avoid getting oil on rubber friction wheel and aluminum drive plate. Refer to Figure 20.
GEAR CASE
The worm gear case has been filled with grease at the factory. If disassembled for repairs, lubricate with 2 ounces of shell grease, part no.
IMPORTANT: Do not overfill the gear case. Dam- age to the seals could result. Be sure the vent plug is free of grease in order to relieve pressure.
ENGINE
Refer to separate engine manual for engine mainte- nance procedures.
WARNING: When following instruc- tions in separate engine manual for draining oil, be sure to protect frame to avoid oil dripping onto transmission parts.
CLEAN EQUIPMENT
Be certain to follow the precautions listed under TO STOP ENGINE to prevent possible
SECTION 9: SERVICE
AUGERS
The augers are secured to the spiral shaft with two shear bolts and hex lock nuts. See Figure 23. If you hit a foreign object or ice jam, the snow thrower is designed so that the hex bolts will shear.
If the augers will not turn, check to see if the bolts have sheared. Two replacement shear bolts and hex lock nuts have been provided with the snow thrower. For future use, order part number
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, bell washers and hex nuts which attach them to the snow thrower. Reassemble new skid shoes with the four carriage bolts, bell 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, bell washers and hex nuts which attach it to the snow thrower housing. Reassemble new shave plate, mak- ing sure heads of the carriage bolts are to the inside of the housing. Tighten securely.
ENGINE
Refer to separate engine manual for all engine ser- vice procedures.
BELT REMOVAL AND REPLACEMENT
WARNING: Disconnect the spark plug wire from the spark plug and ground.
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