10
4
CYLINDERS
DISASSEMBLY AND ASSEMBLY
4L0AX00CYLINDERS
 3.Installthedustseal(26).
• Foradustsealwithametalringarounditsperim-
eter,useasupportingmetal(30)forinstallation.
 4.Install the backup ring (22) and the O-rings (20) and
(21).
• Make surethat the cutportionof the backupring
does not get out of place.
Piston
1. Install the piston packing on the piston.
a. InstalltheO-ring(34).
• IftheO-ringistwistedaftertted,correctit.
b.Cover the piston with the sliding jig C, and then,
usingthettingjigD,quicklyinserttheslipperring
(35).
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