Maintaining Your Snow Thrower - Yard Machines 615 Operator's Manual

SECTION 7: MAINTAINING YOUR SNOW THROWER
WARNING:
wire and ground against the engine
before performing
maintenance.
Engine
Refer to engine manual for engine lubrication
instructions.
WARNING:
ions in separate engine manual for
draining oil, be sure to protect frame to
avoid oil dripping onto transmission
parts.
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 19.
Klick
Pin
Axle
Figure 19
Chute directional control
The worm gear on the chute direction crank should be
greased with multipurpose automotive grease.
Disconnect the spark plug
any repairs
When following instruct-
Oil Bearings
or Spray Lubricant
Auger shaft
Remove shear bolts on auger shaft. Oil or spray
or
lubricant inside shaft. See Figure 20.
Bearings
Gear shaft
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.
Keep all grease and oil off of the friction
IMPORTANT:
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 Alvania grease EPR00, part number
737-0168. Before reassembling, remove old sealant
and apply "Loctite 5699" or equivalent.
Do not overfill the gear case. Damage to
IMPORTANT:
the seals could result. Be sure the vent plug is free of
grease in order to relieve pressure.
14
Shear Bolts
Bearings
Figure 20