Toro 30308 - Page 208

RemovingtheSteeringCylinder(4-WheelDrive)(continued)
CAUTION
Beforeopeningthehydraulicsystem,operateallthehydraulic
controlstoreleasesystempressureandavoidinjuryfromthe
pressurizedhydraulicuid;refertoReleasingPressurefromthe
HydraulicSystem(page5–6).
3.Forassemblypurposes,labelallthehydraulichosesthatareconnectedto
thettingsonthesteeringcylinder.
4.Cleanthehydraulichoseendsbeforeyoudisconnectthehosesfromthe
steeringcylinder.
5.Disconnectthehydraulichosesfromthesteeringcylinder.
6.Installcapsorplugsonthedisconnectedhosesandttingstoprevent
contamination.
7.Removethe4jamnuts(item20inFigure100)thatsecurethesteering
cylindertothemachine.
8.Separatethesteeringcylinderballjointsfromtheaxleassembly.Remove
thesteeringcylinderfromthemachine.
9.Ifnecessary,removetheballjointsfromthesteeringcylinder.
10.Ifthehydraulicttingsaretoberemovedfromthesteeringcylinder,mark
thettingorientationforassemblypurposes.Removethettingsfromthe
steeringcylinderanddiscardtheO-ringsfromthettings.
InstallingtheSteeringCylinder(4-WheelDrive)
1.Ifthehydraulicttingswereremovedfromthesteeringcylinder,lubricatenew
O-ringswithcleanhydraulicuid,positiontheO-ringstothettings,and
installthettingstothesteeringcylinder;refertoInstallingtheHydraulic
Fittings(SAEStraightThreadO-RingFittingintotheComponentPort)(page
5–11).
2.Ifremoved,installtheballjoints(item6inFigure100)intothesteering
cylinderandsecuretheballjointswiththeretainingrings.
3.Positionthesteeringcylindertotherearaxle.Securethesteeringcylinderto
theaxlewiththe4jamnuts(item20inFigure100).Installtherstjamnut
ontothecylinderballjointthreadsandtorquethejamnutto95to122N∙m
(70to90ft-lb).Then,holdtherstjamnutwithwrench,installandtorque
thesecondjamnutto95to122N∙m(70to90ft-lb).
4.Removethecapsandplugsfromthehydraulichosesandttings.
5.LubricateandinstallnewO-ringsonthesteeringcylinderttings.Correctly
connectthehydraulichosestothesteeringcylinder;refertoInstallingthe
HydraulicHoseandTube(O-RingFaceSealFitting)(page5–9).
6.Checkthehydraulic-uidlevelinthehydraulicreservoir(frontaxle)andadd
correctquantityofuidifnecessary;refertotheOperator’sManual.
7.Lubricatethesteeringcylinderballjointgreasettings;refertotheOperator’s
Manual.
8.Operatethemachinefunctionsslowlyuntilairisoutofsystem;referto
ChargingtheHydraulicSystem(page5–85).
9.Checkthatthesteeringcylinderdoesnotcontacttheaxleorframeas
cylindermovesfromfullyretractedtofullyextended.
HydraulicSystem:ServiceandRepairs
Page5–124
Groundsmaster
®
3280-D/3320
05138SLRevB