Craftsman 88690 Operation Manual - Page 23

and9ft-lbs.

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NOTEB:ecarefunlotodamagtheethreadosntheshaft, 7. Carefupllyositiothnehexshafdtownwaarnddtotheleftbefore carefusllylidintghefrictiownheealssembolfyftheshaftS. ee Figur3e1. NOTEIf:you'rreeplacitnhgefrictiownheealssembalsyawhole, discartdhewornparat ndslidethenewparot ntothehexshaft. FollotwhestepasbovienreversoerdetroreassemcbolemponenIfts. you'rdeisassembtlhinefgrictiownheealndreplacionnglytherubber ringp, roceeadsfollows: 1. Removtheefourscrewwshichsecurtehefrictiownheels'side platetsogetheSr.eeFigur3e2. 2. Removtheerubberirngfrombetweethneplates. 3. Reassemtbhleesideplatewsithanewrubberirng. NOTEW: herneassembtlhinegfrictiownheealssembmlya, kseure thatherubberirngiscentereadndseatepdroperblyetweethneside plateTs.ighteenachscrewonlyonerotatiobneforteurnintghewheel clockwiasendproceedwinigththenexst crewR.epeathtisprocess severtaiml estoensurteheplateasresecurewdithequafol rce (betwe6enft-lbasnd9ft-lbs). 4. Slidethefrictiownheealssembblaycokntothehexshafatnd followthestepasbovienreversoerdetroreassemble components. 5. PerfortmheDrivCe ontrTolesot utlineedarlieinrtheServicaend Maintenasneccetion. Figur3e1 ... j Figure32 23

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NOTE:
Becareful
notodamage
thethreads
ontheshaft,
7. Carefully
position
thehexshaft
downward
and
tothe
leftbefore
carefully
sliding
thefriction
wheel
assembly
offtheshaft.
See
Figure
31.
NOTE:
Ifyou're
replacing
thefriction
wheel
assembly
asawhole,
discard
thewornpart
andslide
thenewpart
onto
thehexshaft.
Follow
thesteps
above
inreverse
order
toreassemble
components.
If
you're
disassembling
thefriction
wheel
andreplacing
only
therubber
ring,
proceed
asfollows:
1. Remove
the
fourscrews
which
secure
thefriction
wheel's
side
plates
together.
SeeFigure
32.
2. Remove
therubber
ring
frombetween
theplates.
3. Reassemble
thesideplates
withanew
rubber
ring.
NOTE:
When
reassembling
thefriction
wheel
assembly,
make
sure
thatherubber
ring
iscentered
andseated
properly
between
theside
plates.
Tighten
each
screw
onlyonerotation
before
turning
thewheel
clockwise
andproceeding
with
thenext
screw.
Repeat
thisprocess
several
times
toensure
theplates
aresecured
withequal
force
(between
6ft-lbs
and9ft-lbs).
4.
Slide
thefriction
wheel
assembly
back
onto
thehexshaft
and
follow
thesteps
above
inreverse
order
toreassemble
components.
5.
Perform
theDrive
Control
Test
outlined
earlier
intheService
and
Maintenance
section.
Figure
31
...
j
Figure32
23