Troy-Bilt 7524 - Manual (Page 15)

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• Roll the front and rear auger belts off the engine
pulley. See Figure 17.
Figure 17
• Unhook the idler spring from the hex bolt on the
auger housing. See Figure 18.
• Back out the stop bolt to allow the belts to slip
between the bolt and auger pulley. See Figure 19.
NOTE: It may be necessary to loosen the six hex nuts
that fasten the frame to the auger housing.
• Lift the rear auger belt from the auger pulley, and
slip belt between the support bracket and the auger
pulley. See Figure 18. Repeat this step for front
auger belt .
• Replace both auger drive belts by following
instructions in reverse order.
Figure 18
Drive Belt
• Follow steps 1 through 4 of previous instructions.
• Pull idler pulley up, and lift belt off 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 belt between friction wheel and friction wheel
disc. Remove and replace 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
Changing 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, or place
a piece of plastic under the gas cap.
• Tip the snow thrower up and forward, so that it rests
on the housing. See Figure 20.
Figure 20
• Remove the six self-tapping screws from the frame
cover underneath the snow thrower.
• Remove the klick pins which secure the wheels,
and remove the wheels from the axle.
Rear Auger Drive
Belt
Engine
Pulley
Front Auger
Idler
Pulley
Idler
Pulley Engine
Pulley
Belt
Belt
Friction
Wheel
Support
Bracket
Auger
Pulley
Idler
Spring
Auger
Housing
Support
Bracket
Spring
Frame
Rear Auger
Belt
Front Auger
Pulley
Friction
Wheel
Disc
Stop
Bolt
Drive Belt
Friction Wheel
Support Bracket
Hex Nut and
Bell Washer
Chute
Auger
shown resting on
its auger housing
Note: The unit is