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12
SECTION 6: MAINTAINING YOUR SNOW THROWER
WARNING: Before lubricating, repair-
ing, or inspecting, disengage all clutch
levers and stop engine. Wait until all mov-
ing parts have come to a complete stop.
Disconnect the spark plug wire and
ground it against the engine to prevent
unintended starting.
General Recommendations
• Always observe safety rules when performing any
maintenance.
• The warranty on this snow thrower does not cover
items that have been subjected to operator abuse
or negligence. To receive full value from the
warranty, operator must maintain the snow thrower
as instructed in this manual.
• Some adjustments will have to be made
periodically to maintain your unit properly.
• All adjustments in the service and adjustments
sections of this manual should be checked at least
once each season.
• Follow the maintenance schedule given below.
• Periodically check all fasteners and hardware to
make sure these are tight.
Carburetor
WARNING: If any adjustments are made
to the engine while the engine is running
(e.g. carburetor), keep clear of all moving
parts. Be careful of heated surfaces and
mufflers.
Minor carburetor adjustments may be required to
compensate for differences in fuel temperature, altitude
and load. Refer to the engine manual for instructions.
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 10.
IMPORTANT:
Keep all grease and oil off the rubber
friction wheel and drive plate.
Engine
Refer to the separate engine manual packed with your
unit for all engine lubrication instructions.
Auger Shaft
• At least once a season, remove the shear bolts
from the auger shaft and spray lubricant inside the
shaft. See Figure 12.
Figure 12
Discharge Chute
The base of the discharge chute and the spirals on the
chute crank should be lubricated at least every 25
hours of use. Apply the lubricant under the base of the
chute and where the spirals contact the discharge
chute. See Figure 13.
Figure 13
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 the 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 10.
Gear Case
The gear case is lubricated with grease at the factory
and it does not require checking. If disassembled for
any reason, lubricate with 2 ounces of Shell Alvania
grease EPR00, part number 737-0168. Before
reassembling, remove old sealant and apply new
sealant. See Figure 12.
Bearings
Vent Plug
Shear Bolts
Lube Under Chute Base
Chute Crank Spirals