Service Manual

RemovingtheCuttingDeckMotor(continued)
g031912
Figure142
1.Deckmotor(front)
4.Returnhose
2.Flange-headscrew
5.Casedrainhose
3.Inlethose
6.Removethe2ange-headscrewsthatattachthehydraulicmotortothe
motormount;refertoFigure141.
7.Carefullyremovethehydraulicmotorfromthecuttingdeck.
Note:Donotdamagethespiderhubthatisattachedtothemotor.
8.Locateandremovethespiderandmountingshim(s)(ifpresent)fromthe
deck.
9.Ifyouremovethehydraulicttingsfromthedeckmotor,putamarkonthe
ttingorientationforcorrectassembly.
10.RemovethettingsfromthemotoranddiscardtheO-rings.
11.Ifnecessary,removethehexnutandwasherthatattachthespidertothe
motorshaft.Useasuitablepullertoremovethehubfromtheshaft,and
removethewoodruffkey.
InstallingtheCuttingDeckMotor
1.Ifthettingswereremovedfromthedeckmotor,lubricateandinstallnew
O-ringsontothettings.Toproperlyalignandinstallthettingsintothe
motorports,usethemarksthatyoumadewhentheywereremoved.Tighten
thettings;refertoInstallingtheHydraulicFittings(SAEStraightThread
O-RingFittingintotheComponentPort)(page4–12).
2.Ifthewoodruffkeyandspiderhubwereremoved,installthemtothemotor
shaftandsecurethemwiththehexnutandwasher.T orquethenutto37
to44N∙m(27to33ft-lb).
3.Checkforproperclearancebetweenthespiderhubandthespindlepulley.
Installthemotortothecuttingdeckwithoutplacingthespiderinthespindle
pulley.
Note:Ensurethattheclearancebetweenthehubandthepulleyvalleysis
21.1to23.6mm(0.830to0.930inch).Ifnecessary,usemountingshim(s)
betweenthemotorandthemotormounttoadjustclearance.
HydraulicSystem:ServiceandRepairs
Page4–146
Groundsmaster5900TractionUnit
08159SLRevC