User manual

Maintenance
A.Installbushingthroughbladewithbushing
angeonbottom(grass)sideofblade.
Figure18
1.Installbushinginbladepriortoinstallingbushingin
spindle.
B.Installbushing/bladeassemblyintospindle.
Figure19
1.Usewrenchherefor
bladeinstallation.This
nuthasbeentorquedto
140–145ft-lb(190–197
N-m)
2.Torqueto55-60ft-lb
(75-81N-m)Apply
lubricanttothreads
asneededtoprevent
seizing.Copper-based
anti-seizepreferable.
Greaseacceptable
substitute.
C.Applylubricanttothreadsofbladeboltas
neededtopreventseizing.Copper-based
anti-seizepreferable.Greaseacceptable
substitute.Installbladeboltngertight.Place
wrenchonthetopspindlenutthentorquethe
bladeboltsto55-60ft-lb(75-81N-m).
WARNING
Incorrectinstallationofthebladeor
componentsusedtoretainthebladecan
bedangerous.Failuretousealloriginal
componentsandassembledasshowncould
allowabladeorbladecomponenttobe
thrownoutfromunderthedeckresultingin
seriouspersonalinjuryordeath.
AlwaysinstalltheoriginalExmarkblades,
bladebushings,andbladeboltsasshown.
CheckSafetyInterlock
System
ServiceInterval:Beforeeachuseordaily
CAUTION
Ifsafetyinterlockswitchesaredisconnected
ordamagedthemachinecouldoperate
unexpectedlycausingpersonalinjury.
•Donottamperwiththeinterlock
switches.
•Checktheoperationoftheinterlock
switchesdailyandreplaceanydamaged
switchesbeforeoperatingthemachine.
UnderstandingtheSafetyInterlockSystem
Thesafetyinterlocksystemisdesignedtopreventthe
mowerbladesfromrotatingunless:
•Therightsidemotioncontrolleverismovedto
thecenter,operatingposition.
•Thebladecontrolswitch(PTO)ispulledon.
Thesafetyinterlocksystemisdesignedtostop
themowerbladesifyoumoveorreleasetheright
sidemotioncontrolleverintothePTOdisengage
position.
•Therightsidemotioncontrolleverismovedto
thecenter,operatingposition,theparkingbrake
isengaged,andthebladecontrolswitch(PTO)is
pulledon.
CheckingtheSafetyInterlockSystem
1.Starttheengine.
2.Settheparkingbrake.
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