Replacing friction wheel rubber – Troy-Bilt 31AH7T74063 User Manual
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Figure 16
•
Remove the six self-tapping screws from the frame
cover underneath the snow thrower.
•
Roll the front and rear auger belts off the engine
pulley. See Figure 17.
•
Unhook the idler spring from the hex bolt on the
auger housing. See Figure 18.
•
Back out the stop bolt until the support bracket
rests on the auger pulley. See Figure 19.
NOTE: Loosening the six nuts that connect the frame to
the auger housing may aid in belt removal.
Figure 17
•
Lift the auger belt from the auger pulley, and slip
belt between the support bracket and the auger
pulley. Repeat this step for the front auger belt. See
Figure 18.
•
Replace both auger drive belts by following
instructions in reverse order.
NOTE: If you placed plastic film under the gas cap, be
certain to remove it before operating the snow thrower.
Figure 18
Drive Belt
•
Follow the first six steps of the instructions for
servicing the auger belts.
•
Pull the idler pulley up and lift the belt off the engine
pulley and friction wheel disc. See Figure 17.
•
Back out the stop bolt until the support bracket
rests on the auger pulley. See Figure 19.
•
Slip the belt between the friction wheel and drive
disc. Remove and replace the belt. Reassemble
following the instructions in reverse order.
NOTE: The support bracket must rest on the stop bolt
after the new belt has been assembled. See Figure 19.
Figure 19
Replacing Friction Wheel Rubber
The rubber on the friction wheel is subject to wear and
should be checked after 25 hours of operation, and
periodically thereafter. Replace the friction wheel
rubber if any signs of wear or cracking are found.
•
Drain the gasoline from the snow thrower.
Lock Nut
Hex
Self-Tapping
Screw
Belt
Cover
Chute
Crank
Hairpin
Clip, Flat
Washer
A
B
Engine
Shroud
Bolt
Auger
Pulley
Drive
Pulley
Drive
Belt
Idler
Pulley
Idler
Pulley
Auger
Belts
Frame
Frame
Support
Bracket
Spring
Auger
Housing
Idler
Spring
Front
Auger Belt
Rear
Auger
Belt
Auger
Pulley
Support
Bracket
Drive Plate
Friction
Wheel
Stop Bolt
Support Bracket
Auger Pulley