Toro Greensmaster 3120 - Page 165

RemovingtheFrontLiftCylinders
1.Parkthemachineonalevelsurface.Lowerthecuttingunits,stoptheengine,
engagetheparkingbrakeandremovethekeyfromtheignitionswitch.
2.ReadandadheretotheinformationprovidedinGeneralPrecautionsfor
RemovingandInstallingtheHydraulicSystemComponents(page4–71).
3.Labelallhydraulicconnectionsforproperassembly.
CAUTION
Beforeopeningthehydraulicsystem,relievethehydraulicsystem
pressuretoavoidinjuryfrompressurizedhydraulicuid;referto
RelievingPressurefromtheHydraulicSystem(page4–4).
4.Disconnectthehydraulichoseassembliesfromthehydraulicttings.Allow
thehosestodrainintoasuitablecontainer.Capandplugthehydraulichoses
andttingstopreventsystemcontaminations.
5.Removethecotterpinandtheclevispinthatsecuretheliftcylinderclevisto
theliftarm.
6.Supporttheliftcylindertopreventitfromdropping.
A.Removethecapscrewandthewasherfromthepivotpin(item6in
Figure73).
B.Pullthepivotpinfromtheframe,thespacersandtheliftcylinder.Note
thatthethickerspaceristowardthecenterofthemachine.
C.Removethehydrauliccylinderfromtheframe.
7.Ifhydraulicttingsaretoberemovedfromthecylinder,markthetting
locationandorientationtoallowforcorrectassembly.Removethettings
anddiscardtheO−rings.
InstallingtheFrontLiftCylinders
Note:Inspectthethreadsandthesealingsurfacesofthehydraulicttings
andthehydraulichosespriortoinstallation.Replaceanydamagedorworn
ttingsorhoses.
1.LubricateandtnewO-ringsontothecylinderttings.Installthettings
makingsurethatthettinglocationandorientationisasnotedduring
removal.Tightenttingsasspecied;refertoInstallingtheHydraulicFittings
(SAEStraightThreadO-RingFittings)(page4–10).
2.Positiontheliftcylindertothemachine.
3.Insertthepivotpin(item6inFigure73)throughtheouterframebracket,
thethinnerspacer,theliftcylinder,thethickerspacerandtheinnerframe
bracket.Securethepintotheframewiththecapscrewandthewasher.
4.Positiontheclevisoftheliftcylindertotheliftarm.Securetheliftcylinder
clevistotheliftarmwiththeclevispinandthecotterpin.
5.Removetheplugsandthecapsfromthehydraulichosesandttings.Using
thelabelsplacedduringremoval,connectthehydraulichosestothecylinder
ttings.Tightentheconnectionsasspecied;refertoInstallingHydraulic
HosesandTubes(O-RingFaceSeal)(page4–8).
6.Chargethehydraulicsystem;refertoChargingtheHydraulicSystem(page
4–79).
Greensmaster3120
Page4–119
HydraulicSystem:ServiceandRepairs
17230SLRevC