Operator's Manual

CuttingUnitMaintenance
RemovingtheCuttingUnits
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthecuttingunits,shutoff
theengine,andremovethekey.
2.Disconnectandremovethehydraulicmotor
fromthecuttingunit(Figure118).Coverthetop
ofthespindletopreventcontamination.
g011351
Figure118
1.Motor-mountingscrews
3.Removethelynchpin(forGroundsmaster4500
machines)orretainingnut(forGroundsmaster
4700machines)securingthecuttingunit-carrier
frametothelift-armpivotpin(Figure119).
g011352
Figure119
1.Lynchpin
2.Lift-armpivotpin
4.Rollthecuttingunitawayfromthemachine.
InstallingtheCuttingUnits
1.Movethecuttingunitintopositioninfrontofthe
machine.
2.Slidethecuttingunit-carrierframeontothe
lift-arm-pivotpin(Figure119).Securethe
cuttingunittothepinwiththelynchpin(for
Groundsmaster4500machines)orretainingnut
(forGroundsmaster4700machines).
3.Installthehydraulicmotortothecuttingunit
(Figure118).MakesurethattheO-ringisin
positionandnotdamaged.
4.Greasethespindle.
ServicingtheFrontRoller
Inspectthefrontrollerforwear,excesswobble,or
binding.Serviceorreplacetherollerorcomponentsif
anyoftheseconditionsexist.
DisassemblingtheFrontRoller
1.Removetheroller-mountingbolt(Figure120).
2.Insertapunchthroughtheendoftheroller
housinganddrivetheoppositebearingoutby
alternatingtapstotheoppositesideofinner
bearingrace.Thereshouldbea1.5mm(0.060
inch)lipofinnerraceexposed.
g011356
Figure120
1.Frontroller3.Bearing
2.Mountingbolt4.Bearingspacer
3.Pushthesecondbearingoutinpress.
4.Inspecttherollerhousing,bearings,andbearing
spacerfordamage(Figure120).Replaceany
damagedcomponentsandassemblethem.
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