Service Manual
Assembly(Figure251andFigure252)(continued)
Note:Theplanetaryshimkitincludestheretainingringandseveral
thrustwasherswiththicknessinincrementalstepsof0.10mm(0.004
in).RefertoyourPartsCatalogtoidentifythecorrectpartnumberfor
theplanetaryshimkit.
H.Measurethicknessofthrustwasher(item14)thatwasremovedduring
disassembly.Choosenewthrustwasherofequalthicknessorthenext
availablethicknessfromthrustwashersintheshimkit.
I.Applyalightcoatingofoiltospindleshaft,thrustwasher(item14)and
newretainingring(item15).Installthrustwasherontospindleshaft.
WARNING
Ifretainingring(item15)isnotfullyinstalledinspindlegroove,
lossofwheelandpersonalinjurymayresult.
J.Carefullyinstallnewretainingring(item15)intothespindleshaftgroove
takingcaretonotdistortring.Iftheproperthrustwasherhasbeen
installed,theretainingringshouldttightlybetweenthethrustwasher
andspindlegroove.TaptheODoftheretainingringstartinginthecenter
andworkingouttowardeachendtoensurethattheretainingringis
properlyseatedintothespindlegroove.MakesurethatretainingringID
isfullyseatedtospindleshaftgroove.
K.Afterretainingringisinstalled,makesurethatthereisnoendplayin
assembly.Ifrequired,removeretainingringandinstallathrustwasherof
differentthicknesstoadjustendplay.
L.InstallnewO−ring(item13)intogrooveinhousing.
4.Installsecondarycarrier(item28),secondarygear(item27)andprimary
carrier(item26)makingsurethatcarriergearteethalignwithringgearand
splineonspindleshaft.
5.Ifprimarygear(item24)wasremovedfromdriveshaft,slidegearontoshaft
andsecurewithretainingring(item23).
6.Installdriveshaftassembly(items25,24and23)makingsurethatdrive
shaftsplinealignswithcarriergears.
7.Installthrustplug(item21)andthrustwasher(item22)intoendcap(item
20).Makesurethatthrustplugandthrustwasherarecaptiveoninsideof
endcap(item20).
8.InstallnewO−ring(item13)toendcapandtheninstallendcap.Securecap
withretainingring(item17).
9.Checkoperationofplanetarydrivebyhand.Withaconstantturningforce
applied,rotationoftheplanetaryshouldbeconsistent.Ifthereismoredrag
atcertainpoints,gearsarenotrollingfreelyandtheplanetaryshouldbe
examinedforimproperassemblyordamagedcomponents.
10.Installwheelassembly.
11.Fillplanetarydrivewithgearlube;refertotractionunitOperator’sManual.A
portionofthegearlubewillpassintothebrakeassemblyautomatically.
12.Testplanetarydriveoperation.
Axles,PlanetariesandBrakes:ServiceandRepairs
Page7–14
Groundsmaster
®
4100-D&4110-D
13203SLRevF