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Blade Sharpening
Toproperlysharpenthe cuttingblades,removeequalamountsof
metalfrombothends d the bladesalongthecuttingedges, parallelto
thetrailingedge,at a 250to300angle.See Figure16.
Figure16
J
NOTE: Itis importantthateachcutting bladeedge be groundequally
to maintainproperbladebalance.Apoorlybalancedbladewillcause
excessivevibrationandmaycausedamageto the mowerand result
in personalinjury.The blade canbe testedbybalancingit on a round
shaftscrewdriver.Grind metalfrom the heavyside untilit balances
evenly.
Blade Installation
An unbalancedbladewill causeexcessivevibrationwhen rotating
at highspeeds.It maycausedamageto mowerand couldbreak,
causingpersonalinjury.
1. Placethe cuttingblade,lockingplate,and blade bolton the motor
shaft andthreadthe bladeboltin fingertight.
NOTE: Makecertainto replacethe partsinthe exactorderin
whichtheywere removed.Wheninstallingthe cuttingblade,
be sureit is installedwiththe curvedends pointingtowardsthe
mowerdeckandnot towardstheground.
2. Torquethe blade boltdownusinga torquewrenchto assurethe
bolt is tightenedproperly.The recommendedtorquefor the blade
bolt is 170-220in. Ibs.
Toensuresafeoperationof your mower,periodicallycheckthe blade
bolt for correcttorque.
MAINTENANCE SCHEDULE
Alwaysstopthe motorand unplug mowerbeforecleaning,lubricating
or performingany repairsor maintenanceonthe lawn mower.Always
wearsafetyglassesduringoperationorwhileperforminganyadjust-
mentsorrepairs.
Followthe maintenanceschedulegiven below.This chart describes
serviceguidelinesonly.Usethe ServiceLogcolumnto keeptrackof
completedmaintenancetasks.To locate the nearest Sears Service
Centeror to scheduleservice,simplycontactSearsat
1-800-4-MY-HOME®,
EachUse
Annuallyor 25 hours
1. Mowerblades
2. Looseormissinghardware
3. Controls
4. Motor
5. Deck
1. Wheels
2. Reardischargedoorand
side mulchplug
3. Mowerblades
1. Sharpenas required
2. Tightenor replace
3. Checkfor properoperation
4. Removeany buildupof grassand
leaveson or aroundthe motorcover
(donot usewater).
5. Cleanundersideof deckwitha
suitabletool (do notuse water).
1. Lubewith light oil
2. Lubetorsion springand pivot point
withlightoil.
3. Sharpenandbalance
17
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