Service Manual

DisassemblingtheLiftCylinder
1.Removeanyuidfromthecylinderbyslowlypumpingthecylinderrodwhile
holdingthecylinderoveradrainpan.
2.Plugbothcylinderportsandcleantheoutsideofthecylinder.
IMPORTANT
Donotclampvisejawsagainstthecylinderbarrel.Clamponthe
clevisONLY .
3.Mountthecylindersecurelyinavisebyclampingontheclevisendofthe
barrel.Usingavisewithsoftjawsisrecommended.
4.Loosentheheadfromthecylinderbarrel.
A.Useaspannerwrenchtorotatetheheadclockwiseuntiltheedgeofthe
retainingringappearsinthebarrelopening.
B.Insertascrewdriverunderthebevelededgeoftheretainingringtostart
theretainingringthroughtheopening.
C.Rotatetheheadcounter−clockwisetoremovetheretainingringfromthe
barrelandthehead.
5.Removetheplugsfromtheports.Extracttherod,theheadandthepiston
assemblyfromthebarrelbycarefullytwistingandpullingontherod.
IMPORTANT
Donotclampvisejawsagainstthecylinderrodsurface.Clampon
theclevisONLY.
6.Mountthecylinderrodsecurelyinavisebyclampingontheclevisoftherod.
Usingavisewithsoftjawsisrecommended.
7.Removethelocknutfromtherod.Slidethepistonandtheheadofftherod.
8.Removethewearring,theseals,theback−upringandtheO−ringsfromthe
pistonandthehead.
AssemblingtheLiftCylinder
1.Makesureallthecylindercomponentsarecleanbeforeassembly.
2.Coatthenewwearrings,theO−rings,thesealsandtheback−upringwith
cleanhydraulicuid.
A.Installthewearringandthesealtotheoutsideofthepiston.
B.InstalltheO−ringtotheinnerboreofthepiston.
C.InstalltheO−ring,theback−upringandtherodsealstothecylinderhead.
IMPORTANT
Donotclampvisejawsagainstthecylinderrodsurface.Clampon
theclevisONLY.
3.Mountthecylinderrodsecurelyinavisebyclampingontheclevisoftherod.
Usingavisewithsoftjawsisrecommended.
A.Coattherodwithalightlayerofcleanhydraulicuid.
Greensmaster3120
Page4–125
HydraulicSystem:ServiceandRepairs
17230SLRevD