Craftsman 247.370160 Lawn Mower User Manual


 
Blade Sharpening
Toproperlysharpenthe cuttingblades,removeequalamountsof
metalfrombothendsd the bladesalongthecuttingedges,parallelto
thetrailingedge,at a 250to300angle.See Figure16.
Figure16
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NOTE: Itisimportantthateachcutting bladeedgebegroundequally
to maintainproperbladebalance.Apoorlybalancedbladewillcause
excessivevibrationandmaycausedamageto themowerand result
in personalinjury.Thebladecanbe testedbybalancingit on a round
shaftscrewdriver.Grindmetalfromtheheavyside untilit balances
evenly.
Blade Installation
An unbalancedbladewill causeexcessivevibrationwhen rotating
at highspeeds.It maycausedamageto mowerand couldbreak,
causingpersonalinjury.
1. Placethe cuttingblade,lockingplate,andbladebolton themotor
shaft andthreadthebladeboltin fingertight.
NOTE: Makecertainto replacethe partsinthe exactorderin
whichtheywere removed.Wheninstallingthe cuttingblade,
be sureit isinstalledwiththecurvedendspointingtowardsthe
mowerdeckandnot towardstheground.
2. Torquethe bladeboltdownusinga torquewrenchto assurethe
bolt istightenedproperly.The recommendedtorquefor theblade
bolt is 170-220in.Ibs.
Toensuresafeoperationofyour mower,periodicallycheckthe blade
bolt forcorrecttorque.
MAINTENANCE SCHEDULE
Alwaysstopthe motorandunplugmowerbeforecleaning,lubricating
or performinganyrepairsor maintenanceonthelawn mower.Always
wearsafetyglassesduringoperationorwhileperforminganyadjust-
mentsorrepairs.
Followthe maintenanceschedulegivenbelow.Thischartdescribes
serviceguidelinesonly.Usethe ServiceLogcolumntokeeptrackof
completedmaintenancetasks.Tolocate 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. Sharpenasrequired
2. Tightenor replace
3. Checkfor properoperation
4. Removeany buildupofgrassand
leaveson oraroundthemotorcover
(donot usewater).
5. Cleanundersideofdeckwitha
suitabletool (do notuse water).
1. Lubewithlightoil
2. Lubetorsionspringandpivotpoint
withlightoil.
3. Sharpenandbalance
17