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SECTION
9: LUBRICATION
,_
WARNING:
Disconnect the spark plug
wire and
ground
against
the
engine
before
performing
any
repairs
or
maintenance,
ENGINE
Refer
to engine
manual
for engine
lubrication
instructions.
WARNING:
When following instructions
in separate engine manual for draining oil,
be sure to protect frame to avoid oil
dripping onto transmission pads.
WHEELS
Oil or spray lubricant into bearings at wheels at least
once a season. Pull klick pin, remove wheels, clean
and coat axles with a multipurpose automotive
grease. See Figure 23.
Oil Bearings
Klick Pin
Lubricant
GEAR SHAFr
Lubricate the gear shaft with a good al-weather
multi-purpose
light grease at least once a season or
after every 25 hours of operation.
IMPORTANT:
Keep all grease and oil off of the
fdction 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
lubricant. Avoid getting oil on rubber friction wheel
and aluminum drive plate.
GEAR CASE
The worm gear case has been filled with grease at
the factory. If disassembled for any reason, lubricate
with 2 ounces of shell grease, part number
737-
0168.
IMPORTANT:
Do
not overfill the
gear
case.
Damage to the seals could result. Be sure the vent
plug is free of grease in order to relieve pressure.
SECTION
10: MAINTENANCE
,_
WARNING:
Disconnect the spark plug
wire
and
ground
against
the engine
before
performing
any
repairs
or
maintenance.
Figure 23
CHUTE
DIRECTIONAL
CONTROL
The worm gear on the chute
control should be
greased with multipurpose automotive grease.
AUGER
SHAFT
At least once a season, remove shear bolts on auger
shaft. Oil or spray lubricant inside shaft and lubricate
the auger bearings. See Figure 24.
Shear Bolts
Bearings
Figure 24
ENGINE
Refer to separate engine manual for all engine
maintenance procedures.
AUGERS
The augers are secured to the spiral shaft with two
shear bolts and hex lock nuts. See Figure 24. If you
hit a hard foreign object or ice jam, the snow thrower
is designed so that the bolts may shear.
If the augers will not turn, check to see if the bolts
have sheared. Replacement shear bolts and hex
lock nuts have been provided with the snow thrower.
When replacing bolts, spray an oil lubricant into shaft
before inserting new bolts.
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.
15
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