Maintaining Your Snow Thrower - Yard-Man 31AH763G401 Operator's Manual

SECTION 6: MAINTAINING YOUR SNOW THROWER
Before lubricating, 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.
Lubrication
Gear Shaft
Lubricate the gear shaft with 6-in-1 grease (part
number 737-0170) at least once a season, or after
every 25 hours of operation. Refer to Figure 12.
IMPORTANT: Keep all grease and oil off the rubber
friction wheel and aluminum drive plate.
Engine
Refer to the seperate engine manual packed with your
unit for all engine lubrication instructions.
Auger Shaft
• At least once a season, remove shear bolts from
auger shaft. Oil or spray lubricant inside shaft. See
Figure 14. Also lubricate the plastic auger bearings
at least once a season.
Lube auger shaft here
Figure 14
Drive and Shifting Mechanism
At least once a season or after every 25 hours of
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.
ElectricChuteRotationMotor
The gear on the electric chute-rotation motor and the
base of the discharge chute itself should be lubed with
multi-purpose automotive grease once a season. See
Figure 15.
Lube gear and
chute base here
%
Figure 15
Gear Case
The gear case is lubricat,_=dwith grease at the factory
and does net require checking. If disassembled for any
reason, lubricate with twe ounces of Shell Alvania
TM
grease EPR00, part number 737-0168. Before
reassembling, remove old sealant and apply Loctite
TM
5699 or equivalent.
IMPORTANT: Do not overfill the gear case. Be sure the
vent plug is free of grease in order to relieve pressure.
Traction Control/ Auger ControlLock
The cams on the ends of the control rods which
interlock the traction driw.=and auger drive clutches
must be lubricated at lea.,_tonce a season or every
twenty five hours of operation. The cams can be
accessed beneath the handle panel. See Figure 16.
Use a multi-purpose automotive grease.
__dle Panel
b/_ca m s here
Figure 16
13