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Section5: Maintenance
_ eforeinspecting,cleaningorservicingthemachine,shutoffengine,waitformovingpartstostop,disconnectspank
plugwireandmovewireawayfromspankplug.Removeignitionkey(electricstartmodels).
Failuretofollowtheseinstructionscanresultinseriouspersonalinjur/orpropertydamage.
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I
Y I
Figure5-15: Transmissionneutral(N) adjustment,
MOWERBLADES
Mowerbladesaresharp.
• When working near blades, wear
heavyleatherglovesor wrapbladesin
thick ragsto protectyourselffrom the
sharpedges.
• Wear eye protectionwhensharpening
blades.
Examinemowerbladesbeforeoperation.
Forefficientmowing,cutting edgesof
bladesshouldalwaysbe keptsharp.
Checkfor bladewearor damage. See
Figure5-16. Replacea severelyworn or
damagedbladewith a newone.
ToInspect Blades:
1. Stopengine,waitforall partsto
stopmoving,anddisconnectspark
plugwire.
2. Tip moweron rearwheelsbyfollow-
ing instructions"Tipping MowerFor
Service"inthis Sectionof Manual.
ToRemoveBlades:
Removebolt (Figure5-18) and
washer(s). Removemowerblade.
ToSharpenBlades:
Grindor file thesameamountfrom each
bladeend to maintainbladebalance.An
unbalancedmowerbladeproducesex-
cessivevibration andmaydamagespin-
dle bearings.Sharpencuttingedge
straightacross,parallelto rearedgeof
mower blade.SeeFigure5-16. After
sharpening,bladebalancemustbe
checked.
IMPORTANT:PROFESSIONALSHARP-
ENINGSERVICESORYOURAUTHO-
RIZEDDEALERAREEQUIPPEDTO
SHARPENMOWERBLADESSAFELY.
ToInstallBlades:
Bladesmustbe installedperpendicular
to eachother(seeFigure5-17).
Install mowerbladeasshown in Figure
5-18 with flat sidedown. Installwasher
on bolt. Tightenboltsto atorquevalue
of 35 ft. Ibs.(47 Nm).
NOTE:If top bolt is removed,reinstall
usingLOCTITE#242 threadsealant.
NewBlade
WornBlade
Replaceff separation
begins to form.
SharpenedBlade
SharOn blade cuttingedgesb_ight
across,parallel tobladetrailing edge
Figure5-16:BladeInspection
t
s _
Figure5-17
Torqueto
35 Ft.Lbs.
erBlade
I
_:=Washer
Bolt I_-.<--- Torqueto
35 Ft. Lbs.
Figure5-18: Blade spindle.
23
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