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DriveWheels
The wheels may be adjusted for two different methods
of operation. The adjustment is made by placing the
click pins in one of two different holes on the right side
of the unit. See Figure 18.
One Wheel Driving: Insert the click pin only
through the outside hole of the axle (not the rim) on
the right side of the snow thrower. This position
gives power drive to the left wheel only, making the
unit easier to maneuver.
Both Wheels Driving: Insert the click pin through
the hole in the hub of the rim and the inside hole on
the snow thrower's right axle. This position is good
for heavy snow as there is power drive in both
wheels.
Inside Hole
in Axle
Click Pin
n Outside Hole
Figure 18
IMPORTANT:Never operate the snow thrower with the
click pin inserted through both the rim and the outside
hole inthe axle. Doing so can result in serious damage
to the drive system.
SECTION6: MAINTAININGYOURSNOWTHROWER
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.
Lubrication
Engine
• Refer to the engine manual for maintenance
procedures and instructions.
WARNING: When following instructions in
the engine manual for draining oil, be sure to
protect frame to avoid oil dripping onto
transmission parts.
GearShaft
• Lubricate the gear shaft with a good all-weather
multi-purpose light grease at least once a season or
after every 25 hours of operation.
GearCase
• The auger gearbox has been filled with grease at
the factory. If disassembled for repairs, lubricate
with 1-1/2 ounces of grease, part no. 737-0168.
IMPORTANT:Do not overfill the gear case. Damage to
the seals could result. Be sure the vent plug isfree of
grease in order to relieve pressure.
AugerShaft
• At least once a season, remove shear bolts on
auger shaft. Oil or spray lubricant inside shaft. Also
lubricate the auger bearings at least once a season.
See Figure 19.
Shear Bolts
A
L
\
Bearings Bearings
Figure 19
ChuteDirectionalControl
• The worm gear on the chute directional control
should be greased with multipurpose automotive
grease.
IMPORTANT:Keep all grease and oil off friction wheel
and drive plate.
DriveandShiftingMechanism
• Remove rear cover. Oil 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.
15
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