6
Maintaining
Your Snow
Thrower
Drive and Shifting Mechanism
At least once a season or after every 25 hours of opera- tion, remove rear cover. Lubricate all chains, sprockets, gears, bearings, shafts, and the shifting mechanism. Use engine oil or a spray lubricant. Refer to Figure
IMPORTANT: Keep all grease and oil off the rubber friction wheel and drive plate.
Wheels
At least once a season, remove all wheels. Clean and coat the axles with a multipurpose automotive grease before reinstalling wheels.
Chute Directional Control
Once a season, the spiral end on the chute directional control should be greased with multipurpose automotive grease.
Auger Shaft
WARNING
Always stop engine, disconnect spark plug, and ground against engine before performing any type of maintenance on your machine.
Figure
Engine
Refer to the separate Tecumseh Engines manual packed with your unit for all engine maintenance instructions.
Lubrication
Engine
Refer to the separate Tecumseh Engines manual packed with your unit for all engine lubrication instructions.
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
Augers
The augers are secured to the spiral shaft with shear pins and cotter pins. See Figure
1.If augers do not turn, check to see if pins have sheared.
2.Replace the pins if needed. Two replacement shear pins and cotter pins have been provided with the snow thrower. Spray an oil lubricant into shaft before inserting new pins and securing with new cotter pins.
IMPORTANT
Avoid oil spillage on rub- ber friction wheel and aluminum drive plate.
IMPORTANT NEVER replace the auger shear pins with standard pins. Any damage to the auger gearbox or other components, as a result of doing so, will NOT be covered by your snow thrower’s warranty.
Shear Pin | Spacer | Bearing |
Cotter Pin
Figure
16
