Craftsman 917377630 Gas walk-behind Lawn Mower

Owner 's Manual - Page 12

For 917377630. Also, The document are for others Craftsman models: 117.377630

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NOTE: Wedo notrecommendsharpening
blacle- butif youdo, be sumthe blade is
balanced.
TO SHARPEN BLADE
Care shouldbe takento keepthe blade
balanced. An unbalancedblade wglcause
eventualdamage tolawnmowerorengine.
The blade can be sharpenedwitha fileor
ona grindingwheel. Donotattemptto
sharpenwhileonthe mower.
To checkbladebalance,drivea nailintoa
beam orwall. Leaveaboutoneinchofthe
straightnanexposed. Race centerhole of
blade overthe headof the nail. Ifblade is
--balanced,itshouldremainina ho__ontal
position.,if eitherend ofthe blade moves
downward,sharpenthe heavyenduntilthe
bladeisbalanced.
Blade Crank-
adaptor shaft
Key _ keyway
Blade
Blade
bolt
Lock
washer Crank-
Hardened Trailing Blade shaft
washer edge adaptor
GRASS CATCHER
t,- "L:kegrasscatcher may be hosed with
water, but musl be dry when used.
Check your grass catcher oftenfor
damage or deterioration. Through
normal use itwillwear. If catcher needs
re'placing, replace only with a manufac-
turer approved replacement catcher.
_ive the-lawn mower model number
when ordering.
DRIVE WHEELS
Check rear drive wheels eac'h'timeyou
mow to be sure they move freely. The
wheels not turning freely means trash,
grass cuttings, etc., may be inside the
drive wheel and dust'cover area and must
be cleaned out to free drive wheels.
If necessary to clean the drive wheels,
check both rear wheels.
Remove hubcaps and Iocknuts.
Remove wheels from wheel adjuster
axles.
_e aw trash or grass cuttingsfrom
inside the dustcover, pinion and/or drive
Wd,mel_jear teeth.
The pinion gear must be installedwith
the left gear on the left side and with the
rightgear on the rightside, from an
operator's view.
The pinion gear is stamped with an "L"
(left) or "R" (right) on the inside. If
installed incorrectly,the drive system will
not work.
Place wheels back on adjuster axles.
Replace Iocknuts and hubcaps.
NOTE: Pinionsand drive pawls should be
cleaned and lubricated with grease
approximately every 25 hours oronce a
year.
LocknutWash_
Drive pin
Dust cover
Pinion
E-ring
ENGINE
LUBRICATION
Use onlyhighqualitydetergent oilratedwith
API service dassificationSF,SG orSH.
Selectthe oirsSAE viscositygra_deaccording
toyourexpectedoperatingtemperature.
SAEvlscc_rrY GRADES
NOTE: Althoughmulti-viscosityoils(5W30,
10W30 etc.)improvestartingin coldweather,
these multi-viscosityoilswillresultinincreased
oilconsumplJonwhen usedabove32"R
Checkyourengineoil levelmore frequentlyto
avoidpossibleenginedamagefromrunning
lowon oil.
Changethe oilafteravery 25 hoursof
operationorat leastoncea year ifthe lawn
mowerisnotusedfor25 hoursinoneyear.
Checkthe crankcaseoillevelbeforestarting
the engineendaftereachfive(5)hoursof
continuous use.Tightenoilplugsecurelyeach
timeyoucheckthe oglevel.
12
;:?" "' " ,i'_'" ;_'_' "' "'7 ;'' " •-i!'.
i.
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