Installation Instructions

g034925
Figure8
1.75mm(3.0inches)4.40mm(1.5inches)
2.65mm(2.5inches)5.25mm(1.0inches)
3.50mm(2.0inches)6.20mm(0.75inches)
InspectingtheBlades
ServiceInterval:Every50hours—Inspecttheblades
fordamageandexcessivewear.
Every50hours—Makesurethateachblade
boltistorquedto45N∙m(33.2ft-lb).
Important:Bladesshouldalwaysbereplacedat
thesametimeastheoppositeblade/aspairsto
maintainbalance.
1.Positionthemachineonalevelsurface.
2.Raiseandsupportthecuttingunitwiththe
transportlatches.
3.Shutofftheengine,settheparkingbrake,and
removethekeyfromtheignitionswitch.
4.Inspecteachbladefordamagepayingparticular
attentiontothefasteners,cuttingedge,and
installationhole(Figure9).Replacealldamaged
bladesandfasteners.
g034632
Figure9
1.Cuttingedge
2.Installationhole
5.Inspecteachbladeforexcessivewearusingthe
wearline(Figure10).Whenabladeisworn
downtothewearline,replacetheblade.
g034634
Figure10
1.Wearline
6.Makesurethateachbladeboltistorquedto45
N∙m(33.2ft-lb).
7.Gripeachbladeandmakesurethatthereis
notmorethanatotalof3mm(1/8inch)offree
movementineitherdirectionfromtherotor.If
thereismorethanatotalof3mm(1/8inch)of
freemovement,replacetheblade.
8.Checkeachpairofoppositebladesforaweight
differencebetweenthem.
Note:Eachpairofoppositebladesshouldnot
haveaweightdifferenceofmorethan10g(0.4
oz).
DANGER
Awornordamagedbladecanbreak,anda
pieceofthebladecouldbethrowntowardyou
orbystanders,resultinginseriouspersonal
injuryordeath.
•Inspectthebladesperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
6