Exmark LAZER Z - Check Mower Blades

Maintenance
CheckMowerBlades
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Liftdeckandsecureinraisedpositionasstatedin
theCleanGrassBuild-UpUnderDecksection.
3.Inspectbladesandsharpenorreplaceasrequired.
4.Reinstalltheblades(iftheywereremoved)inthe
followingorder:
A.Installbushingthroughbladewithbushing
angeonbottom(grass)sideofblade.
g006780
Figure40
1.Installbushinginbladepriortoinstallingbushingin
spindle.
B.Installbushing/bladeassemblyintospindle.
Makesurethesplinesonthebushingare
engagedinthespindlebeforetighteningthe
bolt.
g008629
Figure41
1.Usewrenchhereforbladeinstallation.Thisnuthas
beentorquedto90ft-lb(122N-m)minimum
2.Torqueto50-60ft-lb(68-81N-m)Applylubricantto
threadsasneededtopreventseizing.Copper-based
anti-seizepreferable.Greaseacceptablesubstitute.
C.Applylubricanttothreadsofbladeboltto
preventseizing.Copper-basedanti-seize
preferable.Greaseacceptablesubstitute.
Installbladeboltngertight.Placewrench
onthetopspindlenutthentorquetheblade
boltsto50-60ft-lb(68-81N-m).
Important:Onreardischargedecks,theRH
bladerotatescounterclockwise.Besureto
reinstallthatbladeontotheRHspindleonly.
WARNING
Incorrectinstallationofthebladeor
componentsusedtoretainthebladecan
bedangerous.Failuretousealloriginal
componentsandassembledasshowncould
allowabladeorbladecomponenttobe
thrownoutfromunderthedeckresultingin
seriouspersonalinjuryordeath.
AlwaysinstalltheoriginalExmarkblades,
bladebushings,andbladeboltsasshown.
56