Craftsman 247.88933 manual SERVmCmNGTHE CUTTmNGBLADES, Removeflangenutto releaseblade

SERVmCmNGTHE CUTTmNGBLADES f

Be sureto shutthe engineoffanddisconnectthe sparkplugwire 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,

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Removeflangenutto releaseblade

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Useblockof woodto stabilizeblade.

Mowerbladesaresharp,Whenworkingnearblades,wearheavyJ

leatherglovesor wrapbladesinthick ragsto protectyourselffromFigure20

thesharpedges,

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Blade Removal

1, Removethe deckfrombeneaththe mowerandgentlyflip the deckoverto exposeits underside,Referto "Removingthe Mower Deck"for instructions,

2, Placea 2x4blockof woodapproximately8,5" longbetweenthe deckhousingandthe cuttingbladeto act as astabilizer, Figure20,

3, Removethe hexflangenutthat securesthebladeto the spindle assembly,Figure20,

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Bmade Sharpening
IMPORTANT:Ifany metalseparationis present,replacethe blades
withnewones,
1, Toproperlysharpenthe cutting blades,removeequalamounts		Figure21
of metalfrombothends of the bladesalongthe cuttingedges,
parallelto the trailingedge,at a 25°to 30° angle,Figure21,
a,	It is importantthateachcuttingbladeedgebeground
	equallyto maintainproperbladebalance,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, Useatorquewrenchto tightenthe spindleflangenutto between 70=90foot=pounds,

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