Parker 3Z Series - Disassembly and Inspection: End Cover Components; End Cover Component Removal

HY13-1597-01/US
3Z Motor Service Procedure
3ZG Series
Parker Hannin Corporation
Hydraulic Pump & Motor Division
Greeneville, TN 37745 US
11
Disassembly and Inspection
Seediagramofendcover
components.Thenextve
disassemblystepswillbedirectly
relatedtoremovingcomponents
fromwithintheendcover.
(Figure6)
Removerollpinfromthe
endcover.
Iftherollpindoesnotfalloutas
youremovetheendcover,turn
theendcoverwiththediscvalve
facingdownontoacleansoft
surface.Knockseveraltimes
usingplastichammerontherear
endcover.Setasidefallenparts
inorderasshownabove.
(Figure7)
Usingasmallscrewdriver,
removetheO-ringfromthe
endcover.(Figure8)
Removediscvalveandinspect
foranysplinechippingorother
damage.Insertyourngersinto
themiddleoftheendcover,
lightlyspinningasyouliftthe
platesoutoftheendcover.
(Figure9)
Separatethevalveplatefromthe
timingplate.(Figure10)
Setendcover,discvalve,
balanceplate,andtimingplate
totheside.Returntothemotor
housinginthevicetocontinue
withdisassembly.
NOTE
Remove Roll Pin
NOTE
Remover O-rings from
Endcover
Remove Disc Valve and
Balance Plate
Remove the Valve and
Timing Plates
NOTE
Figure6
Figure7
Figure8
Figure9
Figure10