Craftsman 247.88787 Operator's Manual page 23

.
Carefullyremovethe hexnut and washerwhich securesthehex
shaftto the snowthrowerframeand lightlytap the shaft'send
to dislodgethe ball bearingfrom the rightsideof the frame.See
Figure30.
NOTE:Be carefulnot to damagethe threadson the shaft.
6. Carefullypositionthe hex shaftto the left then downward.See
Figure31.
NOTE: If you'rereplacingthe frictionwheelassemblyas a whole,
discardthe wornpartand slidethe newpart ontothe hexshaft.
7. Reassemble componentsby reversing the order and actionof
steps2 through6.
8. Performthe test previouslydescribedin the Drive Control
section.
If you'redisassembling thefrictionwheeland replacingonly the rubber
ring,proceedas follows:
1. Removethefour screwswhich securethe frictionwheel'sside
platestogether. See Figure32.
2. Removethe rubberring from betweenthe plates.
3. Reassemble the side plateswith a newrubberring.
NOTE: Whenreassembling the frictionwheelassembly,makesure
that the rubberring is centeredand seatedproperlybetweenthe side
plates.Tighteneachscrewonlyone rotationbeforeturningthe wheel
clockwiseand proceedingwith the next screw.Repeatthis process
severaltimes toensurethe platesare securedwith equalforce
(between6 ft-lbsand 9 ft-lbs).
4. Slide the frictionwheelassemblybackonto the hexshaftand
follow thestepsabovein reverseorder to reassemble
components.
5. Performthe testpreviouslydescribedin the DriveControl
section.
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Figure30
Figure31
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23
Figure32
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