Toro Groundsmaster 7210 - Service and Repairs; General Precautions for Removing and Installing the Hydraulic System Components

ServiceandRepairs
GeneralPrecautionsforRemovingandInstallingtheHydraulic
SystemComponents
BeforeRepairingorReplacingtheComponents
1.Beforeremovinganypartsfromthehydraulicsystem,parkthemachineona
levelsurface,lowerthecuttingdeck(orimplement),shutofftheengine,set
theparkingbrake,andremovethekeyfromthekeyswitch.
2.Cleanthemachinebeforeyoudisconnect,remove,ordisassemblethe
hydrauliccomponents.
Note:Cleanlinessisnecessarywheneveryouworkonthehydraulic
equipment.Ensurethatyoucleanthehydrauliccomponents,hoses,
connections,andttings.
3.Labelallthedisconnectedhydrauliclinesandhosesforproperinstallation
afterrepairsarecompleted.
4.Notethepositionofthehydraulicttings(especiallyelbowttings)onthe
hydrauliccomponentsbeforeremoval.
Note:Marktheparts,ifnecessarybeforeremovalandensurethattheyare
alignedproperlywheninstallingthehydraulicttings,hoses,andtubes.
WARNING
Beforedisconnectingordoinganyworkonthehydraulicsystem,
releaseallthepressureinthesystem;refertoReleasingPressure
fromtheHydraulicSystem(page4–11).
5.Thehydraulicuidmaybehot.Becarefulwhenyouloosenandremove
thehydraulicsystemcomponents.
6.Installcleancapsorplugsonthehydrauliclines,hydraulicttings,and
componentsthatareleftopenorexposedtopreventhydraulicsystem
contamination.Captheopeningassoonasthelineorportisexposed.
AfterRepairingorReplacingtheComponents
1.Checkthehydraulic-uidlevelinthehydraulicreservoirandaddcorrect
quantityofuidifnecessary.Usethehydraulicuidsthatarespeciedin
theTractionUnitOperator'sManual.
IMPORTANT
Drainandllthehydraulic-systemreservoirandchangetheoillter
ifthecomponentfailureissevereorthesystemiscontaminated;
refertoFlushingtheHydraulicSystem(page4–59).
2.LubricatetheO-ringsandsealswithcleanhydraulicuidbeforeinstalling
thehydrauliccomponents.
3.Removeallthecapsorplugsfromthehydraulictubes,hydraulicttings,and
componentsbeforeconnectingthemagain.
4.Usepropertighteningprocedureswheninstallingthehydraulichosesand
ttings;refertoInstallingtheHydraulicHoseandTube(O-RingFaceSeal
Groundsmaster7210
Page4–57
HydraulicSystem:ServiceandRepairs
16222SLRevC