Toro Groundsmaster 4300-D - Page 207

RemovingtheLiftCylinder
g193309
Figure113
1.Flangenut
3.Carriagescrew
2.R-clamp
4.#4liftcylinder
1.Parkthemachineonalevelsurface,lowerthecuttingdecks,shutoffthe
engine,settheparkingbrake,andremovethekeyfromthekeyswitch.
2.ReadtheGeneralPrecautionsforRemovingandInstallingtheHydraulic
SystemComponents(page4–87).
3.Iftheliftcylinderfordeck#4or#5isbeingremoved,removetheangenut
andcarriagescrewthatsecuretheR-clamptotheliftcylinder(Figure113).
4.Forassemblypurposes,labelallthehydraulicconnections.Cleanthe
hydraulicconnectionsbeforelooseningthehydrauliclinesfromthelift
cylinder.
CAUTION
Beforeopeningthehydraulicsystem,operateallthehydraulic
controlstoreleasesystempressureandavoidinjuryfromthe
pressurizedhydraulicuid;refertoReleasingPressurefromthe
HydraulicSystem(page4–6).
5.Disconnectthehydraulichosesfromthettingsintheliftcylinderthatistobe
removed.Allowthehosestodrainintoasuitablecontainer.Removeand
discardtheO-ringsfromthettings.
6.Installcleancapsorplugsonthehydraulichosesandttingstoprevent
contamination.
7.Remove1retainingring(item3inFigure111)andthrustwasherfromthe
cylinderslidepin.Pullthepinfromtheliftcylinderandliftarm.Locateand
retrievethesecondthrustwasher.
8.Removetheange-headscrew(item12inFigure111)andatwasherthat
securetheliftcylindertothepivotshaft.
9.Removetheliftcylinderfromthepivotshaftandframe.
10.Ifthehydraulicttingsaretoberemovedfromtheliftcylinder,markthetting
orientationforassemblypurposes.Removethettingsfromtheliftcylinder
anddiscardtheO-ringsfromthettings.
Groundsmaster
®
4300-D
Page4–145
HydraulicSystem:ServiceandRepairs
16226SLRevC