Craftsman 536.885020 - Manual (Page 23)

TO REPLACE FRICTION WHEEL
If tiie snow thrower will not move forward, and the friction
wheel is worn or damaged, you need to replace it, as
follows: (First allow the engine to cool)
SERVICE AND ADJUSTMENTS
CAUTION: D«AiN GASOLINE OUTDOORS
AWAY FROM FIRE OR FLAME.
Drain the gasoline from the fuel tank tsy removing
the fuel line. Drain the fuel and reinstall the fuel line.
Disconnect the spark plug wire
Stand the snow thrower up on the auger housing
end (See Fig. 35).
Remove the rear and bottom panels (See Fig 35).
® Hold the hex shaft with an 11/16 inch wrench (or an
adjustable wrench) Place the wrench on the ex­
treme right hand side of the hex shaft (See Fig 36)
® Remove the 3/8 inch nut. lockwasher and fiat-
washer holding the wheel and hub assembly to the
shaft
® Remove the hub and wheel assembly and replace
the friction wheel
NOTE: Be sure the friction wheel is installed as it was
removed. The hub should be inside recessed or cupped
end and facing away from the clutch assembly Be sure
the 1/8 inch square key is in place and the thrust washer
is completely on the shoulder of the shaft, NOT trapped
between the shoulder and the thread,
® Reinstall the removed parts in reverse order of
removal,,
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