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 fitted, correct it.
b. Cover the piston with the sliding jig C, and then,
using the fitting jig D, quickly insert the slipper ring
(35).
CylinDers
Disassembly anD assembly
30
26
34
D
10
Cylinders
35
C
4
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