AdjustingtheWingMower-DeckPitch
ServiceInterval:Every800hours
1.Removethetensioningcapfromthespindleshaftand
slidethespindleoutofthecasterarm(Figure78).
Note:Positiontheshims,asrequired,toraiseorlower
thecasterwheeluntilthemowerdeckhasthecorrect
pitch.
Figure78
1.Tensioningcap4.Axle-mountingholes
2.Spacers5.Casterwheel
3.Shims
2.Installthetensioningcap.
ServicingtheCaster-Arm
Bushings
Thecasterarmshavebushingspressedintothetopand
bottomofthetubeandaftermanyhoursofoperation,the
bushingsdevelopwear.Tocheckthebushings,movethe
casterforkbackandforthandfromsidetoside.Ifthecaster
spindleislooseinsidethebushings,thebushingsareworn
andmustbereplaced.
1.Raisethemowerdecksothewheelsareofftheoor
andblockthemowerdecksoitcannotfall.
2.Removethetensioningcap,spacer(s),andthrust
washerfromthetopofthecasterspindle.
3.Pullthecasterspindleoutofthemountingtube.
Note:Keepthethrustwasherandspacer(s)onthe
bottomofthespindle.
4.Insertapinpunchintothetoporbottomofthe
mountingtubeanddrivethebushingoutofthetube
(Figure79).
Note:Alsodrivetheotherbushingoutofthetube.
Cleantheinsideofthetubestoremovedirt.
Figure79
1.Caster-armtube
2.Bushings
5.Applygreasetotheinsideandoutsideofthenew
bushings.
6.Usingahammerandatplate,drivethebushingsinto
themountingtube.
7.Inspectthecasterspindleforwearandreplaceitifit
isdamaged.
8.Pushthecasterspindlethroughthebushingsand
mountingtube.
9.Slidethethrustwasherandspacer(s)ontothespindle
andinstallthetensioningcaponthecasterspindleto
retainallpartsinplace.
ServicingtheCasterWheels
andBearings
ServiceInterval:Every800hours
1.Removethelocknutfromtheboltholdingthe
caster-wheelassemblybetweenthecasterfork(Figure
80)orthecaster-pivotarm(Figure81).
Note:Graspthecasterwheelandslidetheboltout
oftheforkorpivotarm.
Figure80
1.Casterbolt
3.Bearing
2.Casterfork
4.Bearingspacer
56