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15
WHEELS
Oil or spray lubricant into bearings at wheels at
least once a season. Pull the klick pins and remove
wheels, clean and coat axles with a multipurpose
automotive grease. See Figure 23.
Figure 23
.
Figure 24
AUGER SHAFT
Remove shear bolts on auger shaft. Oil or spray
lubricant inside shaft. See Figure 24.
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.
IMPORTANT: Keep all grease and oil off of the
friction 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.
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
AUGERS
The augers are secured to the spiral shaft with two
shear bolts and hex lock nuts. See Figure 24. If you
hit a foreign object or ice jam, the snow thrower is
designed so that the hex bolts will shear.
If the augers will not turn, check to see if the bolts
have sheared. Two replacement shear bolts and hex
lock nuts have been provided with the snow thrower.
For future use, order part number 710-0890A (shear
bolt 5/16-18 x 1.5" long) and 712-0429 (hex insert
lock nut 5/16-18 thread).
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.
To remove skid shoes, remove the four carriage bolts,
bell washers and hex nuts which attach them to the
snow thrower. Reassemble new skid shoes with the
four carriage bolts, bell washers (cupped side goes
against skid shoes) and hex nuts. Make certain the
skid shoes are adjusted to be level.
To remove shave plate, remove the carriage bolts,
bell washers and hex nuts which attach it to the snow
thrower housing. Reassemble new shave plate, mak-
ing sure heads of the carriage bolts are to the inside
of the housing. Tighten securely.
ENGINE
Refer to separate engine manual for all engine main-
tenance procedures.
Oil Bearings
or Spray Lubricant
Axle
Klick
Pin
Shear Bolts
Bearings