Craftsman 917375622 lawn mower

User Manual - Page 12

For 917375622.

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LAWN MOWER
Alwaysobservesafetyruleswhenper-
forminganymaintenance.
TIRES
Keeptiresfree of gasoline,oil, or insect
controlchemicalswhichcanharmrubber.
Avoidstumps,stones,deepruts,sharp
objectsandother hazardsthat may
causetiredamage.
DRIVEWHEELS
Checkfrontdrivewheelseachtimebefore
you mowtobe suretheymovefreely.
Thewheelsnotturningfreelymeans
trash,grasscuttings,etc. are inthedrive
wheelareaandmustbecleanedtofree
drivewheels.
Ifnecessaryto cleanthedrivewheels,be
sureto cleanbothfrontwheels.
1. Removehubcaps,Iocknuts&washers.
2. Removewheelsfromwheeladjusters.
3. Removeanytrashorgrasscuttings
frominsidethedustcover,pinionand/
ordrivewheelgearteeth.
4. Putwheelsbackinplace.
NOTE: Ifaftercleaning,thedrivewheels
do notturnfreely,contacta Searsor other
qualifiedservicecenter.
GEARCASE
Tokeepyourdrivesystemworking
properly,thegearcaseandareaaround
thedriveshouldbe keptcleanandfree
oftrashbuild-up. Cleanunderthedrive
covertwiceaseason.
Thegearcaseis filledwith lubricantto
theproperlevelatthefactory. Theonly
timethelubricantneedsattentionisif
servicehasbeenperformedon thegear
case.
Iflubricantisrequired,useonlyELF
MultisEP00. Donotsubstitute.
BLADE CARE
Forbestresults,mowerblademustbekept
sharp. Replaceabentordamagedblade.
A CAUTION: Useonlya replacement
bladeapprovedbythemanufacturerof
your mower. Usinga bladenotapproved
bythe manufacturerofyourmoweris
hazardous,coulddamageyour mowerand
voidyourwarranty.
TOREMOVEBLADE
1. Disconnectsparkplugwirefromspark
plugandplacewirewhereitcannot
come incontactwith plug.
2. Turnlawnmoweron itsside.Make
sure airfilterandcarburetorareup.
3. Useawoodblockbetweenbladeand
mowerhousingtopreventbladefrom
turningwhenremovingbladebolt.
NOTE: Protectyourhandswith gloves
and/orwrapbladewith heavycloth.
4. Removebladeboltbyturningcounter-
clockwise.
5. Removebladeandattachinghardware
(bolt,lockwasher,hardenedwasher).
NOTE: Removethebladeadapterand
checkthe keyinsidehubof bladeadapter.
Thekeymustbe ingoodconditionto work
properly.Replaceadapterif damaged.
TOREPLACEBLADE
1. Positionthebladeadapterontheen-
ginecrankshaft.Besure keyin adapter
andcrankshaftkeywayare aligned.
2. Positionbladeon thebladeadapter
aligningthetwo(2)holesin theblade
with theraisedlugson theadapter.
3. Besurethetrailingedgeofblade(oppo-
sitesharpedge)is uptowardengine.
4. Installthe bladeboltwiththelock
washerandhardenedwasherinto
bladeadapterandcrankshaft.
5. Useblockofwoodbetweenbladeand
lawnmowerhousingandtightenthe
bladebolt,turningclockwise.
Therecommendedtighteningtorqueis
35-40ft. Ibs.
IMPORTANT:Bladeboltisheattreated.
Ifboltneedsreplacing,replaceonlywith
approvedboltshownin theRepairParts
sectionofthismanual.
Bladeadapter Key
Lockwasher_ _
o
Hardened _
washer
TO SHARPEN BLADE
Crankshaft
i
Crankshaft
NOTE: We do not recommend sharpening
blade - but if you do, be sure the blade is
balanced. Care should be taken to keep the
blade balanced. An unbalanced blade will
cause eventual damage to mower or engine.
The blade can be sharpened with a file
or on a grinding wheel. Do not attempt
to sharpen while on the mower.
To check blade balance, drive a nail into
a beam or wall. Leave about one inch of
the straight nail exposed. Place center
hole of blade over the head of the nail.
If blade is balanced, it should remain in
a horizontal position. If either end of the
blade moves downward, sharpen the
heavy end until the blade is balanced.
12
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