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Craftsman 247.883971 Operator's Manual page 24

Cx series electric start snow thrower
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.
Usinga 3/4" wrench,hold the hex shaftand removethe hex
screwand bellevillewasherand bearingfrom left sideof the
frame.Referto Figure38.
f
RemoveHex Screw
BellevilleWasher
l.
Friction WheelAss'y.
/
Slide Hex
ShaftOut
RightSide
Figure38
5.
Holdingthe frictionwheelassembly,slidethe hex shaftoutof
the frictionwheelassemblyandthe rightsideof theframe.The
spaceron the left sideof the hex shaftwillfall and the sprocket
shouldremainhanginglosein the chain.
6.
Lift the frictionwheelassemblyout betweenthe axle shaftand
the driveshaftassemblies.
7.
Removefourscrewssecuringthe frictionwheelto the hub
assembly(referto Figure39). Discardold frictionwheel.
f
.
.
©
Figure40
10. Slidethe hexshaft throughthe rightside of the frametowardthe
Idt sideand throughthe frictionwheelassembly.
11. After makingcertainthat the chainis on boththe large and the
smallsprocket,alignthe hex shaftwith the hexhub of the small
sprocket,and slidethe shaftthroughthe sprocket.
NOTE:If the sprocketfell from the snowthrowerwhileremoving
the hex shaft,placethe sprocketon the chain.Realignthe
sprocketon the chainwith the hex hubfacing the rightsideof
unit. Positionthe hexhub of the sprockettowardthe frictionwheel
whenslidingthe sprocketon to the hexshaft.
12. Slidethe spacerontothe end of the hex shaft.
Note: The spacer is to be placedon the hexshaftbetweenthe
sprocketand bearingpreviouslyremovedon the Idt sideof the
frame.
13. Align the bearingon the rightend of thehex shaftwith the hole
in the rightside of the frame,then pushthe hexshaftto the left
intopositionin the frame.
14. Slidethe bearingontothe left end of the hex shaftand press into
the hole on theleft sidethe frame.
15. Placethe bellevillewasher(roundedside towardhead)ontothe
hexscrewremovedearlier,and insert thescrewinto thethreaded
holeof the hex shaft.
16. Graduallytightenthe hexscrewto fully seat the bearingsin each
sideof the frameand to securethe hex shaft.
17. Positionthe framecoveron the bottomof the frameand secure
with the self-tappingscrews.Pivotthe snowthrowerdownto it
normaloperatingposition.
Figure39
Reassemble the newfrictionwheelontothe hubassembly, t ighten-
ingthefourscrewsin rotation and with equalforce,itisimportant to
assemblethefrictionwheelsymmetrically for properfunctioning.
Repositionthe frictionwheelassemblyin the snowthrowerframe.
insertthe pin from the speedselector armassemblyintothe
frictionwheelassemblyand hold assemblyin position.Referto
Figure40.
24
IMPORTANT: Repeatthe drivecontroltestfrom the Assemblysection
of this manualbeforeoperatingthe snowthrower.

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