Craftsman 247.889720 Operator's Manual page 20

Lubrication "I
GearShaft
Thegear(hex)shaftshouldbelubricated at leastonceaseason or after every25
hoursof operation.
I. Topreventspillage, r emove all fuel fromtank byrunningengineuntil it
stops.
2. Carefully pivotthe snowthrowerupandforwardsothat it restsonthe auger
housing.
3. Remove t he lowerframecoverfrom the underside of the snowthrowerby
removing the self-tapping screws whichsecure it.
4. Applya lightcoatingof anti-seize to the hexshaft.SeeFigure 22.
NOTE: Whenlubricatingthe hexshaft,becareful n ot to get anyanti-seize on
the aluminum driveplateor rubberfrictionwheel.Doingsowill hinderthe snow
thrower'sdrivesystem. W ipeoff anyexcess o r spilledanti-seize.
Wheels
Atleastonceaseason, r emove bothwheels. C lean andcoattheaxleswith a
multipurpose automotive greasebeforereinstalling wheels.
Auger Shaft
Atleastonceaseason, r emove the shearpinson augershaft.Spray lubricantinside
shaft,andaroundthe spacers a ndflangebearings foundat eitherendof the shaft.
SeeFigure 23.
ShavePlateand Skid Shoes
Theshave plateandskidshoesonthe bottomof thesnowthroweraresubjectto
wear. T heyshouldbechecked periodkallyandreplaced whennecessary.
NOTE: Theskidshoes on thismachine havetwo wearedges. W henonesidewears
out,theycanberotated180 ° to usethe otheredge.
Toremove skidshoes:
Remove t he two carriage bolts,washers, a ndhexflangenutsthat secure
eachskidshoeto the snowthrower.
2. Reassemble newskidshoes with the fourcarriage bolts(two on eachside),
washers, a ndhexflangenuts.Refer t o Figure 24.
Toremove shaveplate:
1. Remove t he carriage boltsandhexnutswhichattachit to the snowthrower
housing.
2. Reassemble newshaveplate,making sureheads of carriage boltsareto the
inside of housing. T ighten securely. S eeFigure 24.
f
Figure 22
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F
Figure 23
NOTE: Angers not shown lor clarity.
Figure24
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