Craftsman 247.88790 Manual Del Operador página 14

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Bearing
j
Figure 14
2. Hex Gear Shaft: Oncea season,lubricatethe hex shaftwith a
penetratingoil, but notgrease.Referto Figure22 on page 17.
3. Gear Case: Thegear case is lubricatedwith greaseat the factory
and does not requireregularlubrication.However, i f disassembled
for any reason,lubricatewith 2 ouncesof Shell AIvania
TM
grease
(part # 737=0168). Beforereassembling, r emoveold sealantand
apply newsealant.
NOTE:Do not overfillthe gear case.Damageto the sealscould result.
4. Wheels: Oncea season,removethe boltfrom eachwheeland
take the wheeloff the axle. Applya multipurposeautomotive
greaseon the shaft beforeputting backthe wheels.
5. Auger Shaft: At least oncea season,removethe shear pinson
auger shaft. Spraylubricantinsideshaft, aroundthe spacers.Also
lubricatethe flangebearingsfoundat eitherend of the shaft.See
Figure14.
FULL
ADD
Maintain Oil Level
Between FULL andADD
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Figure 15
Genera_ Recommendations
1. Alwaysobservesafetyruleswhen performing
anymaintenance.
2. Thewarrantyon this snowthrowerdoesnot coveritemsthat have
beensubiectedto operatorabuseor negligence. T o receivefull
valuefromwarranty,operatormustmaintainthe snowthroweras
instructedhere.
3. Someadiustments will haveto be madeperiodicallyto maintain
yourunit properly.
4. Periodicallycheckall fastenersand makesuretheseare tight.
Check VoBelts
Followinstructionsbelowto checktheconditionof the drivebelts
every 50 hoursof operation.
1. Removethe plasticbeltcoveron the front of the engineby remov=
ing two self=tapping screws.
2. Visuallyinspectfor frayed,cracked,or excessively wornout belts.
Replace,if necessary,followinginstructionson pages16 and 17.
Check Friction Wheel
Followinstructionsbelowto checktheconditionof the frictionwheel
rubberevery50 hoursof operation.
1. Removethe self=tapping screwsfrom theframe coverunderneath
the snow thrower.Referto Figure19.
2. Visuallyinspectthe frictionwheel rubberforexcessivewear,
cracks,or loosefit on thefrictionwheeldrivehub.
3. Also, engagethedrh/econtroland checkif the frictionwheelis
makingcontactwith drive plate.If it does notmakecontact,adiust
the drivecable (referto page 19)and recheckthefrictionwheel
4. Replacefrictionwheelrubberif necessary.Referto instructionson
page 17.
5. Re=attach framecoverto the snow throwerand putthe equipment
back to operatingposition.
WARNING:Always stop engine and disconnect
spark plug wire before performing any maintenance
or adjustments. Alwayswear safety glasses during
operation or while performing any adjustments or
repairs.
Lubrication
1. Drive Mechanism: Once a seasonor after every25 hoursof
operation,removerearframe coverand lubricateany chains,
sprockets,gears,bearings,and shafts with engineoil or lubricant
spray.
Checking
Oi_ Leve_
1. Be sureengineis uprightand level
2. Unscrewoil fill cap from oil filler tubeand wipe dipstickclean.
3. Screw oil fill cap back intooil fillertube.Tighten securely.
4. Unscrewand removeoil fill cap fromoil fillertube. Note oil level If
oil readingon dipstick is below"ADD"mark,slowlyadd oil to reach
"FULl" level.See Figure15.
5. Screw oil fill cap back intooil fillertube.Tighten securely.
6. Wipeaway anyspilledoil
IMPORTANT: A voidoil spillageon rubberfrictionwheeland aluminum
driveplate.
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