FrontDeckLiftArmRemoval(Figure299)(continued)
C.Removeretainingringthatsecuressphericalbearinginliftarm.Remove
taperedstudwithsphericalbearingfromliftarm.Separateangenut
andsphericalbearingfromstud.
D.Pressangebushingsfromliftarm.Thoroughlycleanliftarmbore.
FrontDeckLiftArmInstallation(Figure299)
1.Ifremoved,installcomponentstoliftarm(Figure300):
A.Assembleheight−of−cutchainu−boltsothatthereis46mm(1.8in)
betweentheinsideloopoftheu−boltandthebottomofthemounting
plate.
B.Lightlylubricatenewangebushingsandpressbushingsintoliftarm.
Makesurethatbushingangeispressedfullytoliftarmsurface.
C.Installsphericalbearingontaperedstudandsecurewithangenut.
Installstudwithsphericalbearingintoliftarmandsecurewithretaining
ring.
D.Thoroughlycleantaperedsurfacesofstudandmountingbossofsupport
hub.Securesupporthub(positionslottedholeinhubtowardrearof
deck)totaperedstudwithatwasherandlocknut.Tightenlocknutfrom
184to223N·m(135to165ft−lb).
2.Positionliftarmandwasherstoframeandinsertliftarmpin.Engagerollpin
intoframeslotsandinstalllocknutonpin.Tightenlocknutfrom82to94
N·m(60to70ft−lb).
3.Alignliftcylinderandwasherswithliftarm.Slideliftcylinderpinthroughlift
arm,washersandcylinderend.Securepinwithangeheadscrewand
angenut.
4.Installfrontwheelassembly(seeWheels(page7–3)).Lowermachineto
theground.
WARNING
Failuretomaintainproperwheellugnuttorquecouldresultinfailure
orlossofwheelandmayresultinpersonalinjury.
5.Tightenwheellugnutsevenlyinacrossingpatternfrom124to146N·m
(92to108ft−lb).
6.Installfrontcuttingdeck(seeFrontCuttingDeck(page8–3)).
7.Lubricateliftarmgreasettings.
8.Afterassemblyiscompleted,raiseandlowerthecuttingdecktoverifythat
hydraulichosesandttingsdonotcontactothercomponents.
Groundsmaster
®
5900&5910
Page7–19
Chassis:ServiceandRepairs
16227SLRevB