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6
Maintaining
Your Snow
Thrower
WARNING
Always stop engine,
disconnect spark
plug, and ground
against engine before
cleaning, lubricating
or doing any kind of
maintenance on your
machine.
IMPORTANT
Avoid oil spillage on
rubber friction wheel
and aluminum drive
plate.
Do not overfill the gear
case. Damage to the
seals could result.
Figure 18
Figure 19
WARNING: Always stop engine and
disconnect spark plug wire before
performing any maintenance or adjust
-
ments. Always wear safety glasses
during operation or while performing
any adjustments or repairs.
General Recommendations
1. Always observe safety rules when performing
any maintenance.
2. The warranty on this snow thrower does not cover
items that have been subjected to operator abuse
or negligence. To receive full value from warranty,
operator must maintain the snow thrower as
instructed here.
3. Some adjustments will have to be made periodically to
maintain your unit properly.
4. Periodically check all fasteners and make sure these
are tight.
Engine
Refer to the separate Tecumseh Engines manual packed
with your unit for all engine maintenance.
Lubrication
1. Drive Mechanism: Once a season or after every
25 hours of operation, remove rear frame cover and
lubricate any chains, sprockets, gears, bearings, and
shafts with engine oil or lubricant spray.
2. Hex Gear Shaft: Once a season, lubricate the hex
shaft with a penetrating oil, but not grease. Refer to
Figure 24 on page 18.
3. Gear Case: The gear case is lubricated with grease
at the factory and does not require regular lubrication.
However, if disassembled for any reason, lubricate
with 2 ounces of Shell Alvania™ grease (part #
737-0168). Before reassembling, remove old sealant
and apply new sealant.
4. Wheels: Once a season, remove the bolt from
each wheel and take the wheel off the axle. Apply a
multipurpose automotive grease on the shaft before
putting back the wheels.
5. Auger Shaft: 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 18.
6. Chute Directional Control: Once a season, the spiral
end on the chute directional control should be greased
with multipurpose automotive grease.
7. Pivot Points: All pivoting points on the snow thrower
should be lubricated with a light oil once a season.
8. Drive/Auger Control Lock: The cam on the ends of
the control rods which interlock the drive and auger
controls must be lubricated at least once a season
or every 25 hours of operation using a multi-purpose
automotive grease. The cam can be accessed
beneath handle panel.
9. Engine: Refer to the separate Tecumseh Engines
manual packed with your unit for all engine lubrication
instructions.
Augers
The augers are secured to the spiral shaft with two shear
pins and cotter pins. See Figure 19. If you hit a foreign
object or ice jam, the snow thrower is designed so that
the pins will shear.
1. If augers do not turn, check to see if pins have
sheared.
IMPORTANT
NEVER replace the
auger shear pins with
standard pins. Any
damage to the auger
gearbox or other com-
ponents, as a result of
doing so, will NOT be
covered by your snow
thrower’s warranty.