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SERVmCmNGTHE CUTTmNGBLADES
Be sureto shutthe engineoff anddisconnectthe spark plug wire
andgroundagainstthe engineto preventunintendedstartingbefore
removingthe cuttingblade(s)for sharpeningor replacement,Protect
your handsby usingheavyglovesor a ragto graspthecutting blade,
Periodicallyinspectthe bladespindlesfor cracksor damage,espe=
ciallyif youstrikea foreignobiect,Replaceimmediatelyif damaged,
Mowerbladesare sharp,Whenworkingnearblades,wearheavy
leatherglovesor wrapbladesin thick ragsto protectyourselffrom
thesharpedges,
Blade Removal
1, Removethe deckfrombeneaththe mowerandgentlyflip the
deckoverto exposeits underside,Refer to "Removingthe Mower
Deck"for instructions,
2, Placea 2x4block of woodapproximately8,5" long betweenthe
deckhousingand the cuttingbladeto act as a stabilizer,
Figure20,
3, Removethe hexflangenutthat securestheblade to the spindle
assembly,Figure20,
Bmade Sharpening
IMPORTANT:Ifany metal separationis present,replacethe blades
withnewones,
1, Toproperlysharpenthe cutting blades,removeequalamounts
of metalfrom bothends of the bladesalong the cuttingedges,
parallelto the trailingedge,at a 25° to 30° angle,Figure21,
a, It is importantthateachcuttingbladeedgebeground
equallyto maintainproperblade balance,A poorlybalanced
bladewill causeexcessivevibrationand maycausedamage
to the mowerandresultin personaliniury,Thebladecan be
testedby balancingit on a roundshaft screwdriver,Grind
metalfromthe heavyside untilit balancesevenly,
Blade Installation
1, Wheninstallinga blade,placethe sideof the bladewitha part
numberstampedin it facingthegroundwhenthe moweris in the
operatingposition,
2, Use a torquewrenchto tightenthe spindleflangenutto between
70=90foot=pounds,
f
f
Removeflangenutto releaseblade
\
Useblockof wood to stabilizeblade.
Figure20
\
\
\
Figure21
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J
J
19
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