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• Roll the front and rear auger belts off the engine
pulley. See Figure 22.
Rear Auger _ J_ f-- -- Drive
Belt _ ,- _ f==_.._ Belt Engine
' " -0"_'''_ Pulley
idler _ /_,_r _%_/_Belt
'alley_,_ _ \ _._
Engine Pulley _L'_
Pulley
Figure 22
Unhook the idler spring from the hex bolt on the
auger housing. See Figure 23.
Back out the stop bolt to allow the belts to slip
between the bolt and auger pulley. See Figure 24.
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 23. Repeat this step for front
auger belt (except models 600/610E).
• Replace both auger drive belts by following
instructions in reverse order.
Friction
Wheel
DriveBelt
• Follow steps 1through 4 of previous instructions.
• Pull idler pulley up, and lift belt off engine pulley and
friction wheel disc. See Figure 22.
• Back out the stop bolt until the support bracket rests
on the auger pulley. See Figure 24.
• Slip belt between friction wheel and friction wheel
disc. Remove and replace belt. Reassemble
following the instructionsin reverse order.
NOTE: The support bracket must rest on the stop bolt
after the new belt has been assembled. See Figure 25.
Friction _ Friction Wheel
Drive Belt
Support Bracket
Figure 24
ChangingFrictionWheelRubber
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 ifany 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 25.
Support
Rear Auger
Belt
rame
Hex Nut and
Bell Washer
/
Front Auger /
Pulley Auger Auger Bracket
Pulley Idler Housing Spring
Spring
Figure 23
Note: The unitis
.shown restingon
_g
Figure 25
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.
17
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