110
CYLINDER
7d
Disassembly of the piston
Remove the piston seal, the bushing, the cushion
bearing, the check valve, and the plate.
(The plate is installed only in cylinders with an internal
diameter of
55 or greater.)
7.
1. Draw out the U-ring and the backup ring by using a
spatula or a screwdriver.
2. Remove the bushing with expanding the joint with a
screwdriver.
3. Remove the snap ring, and pull out the cushion
bearing, the check valve and the plate. Pull the snap
ring out of the groove by using a sharp-pointed tool.
Plate
Snap ring
Bushing
U-ring
Backup ring
Cushion bearing
O-ring
Check valve
221W096E
221W097
All removed seals must be replaced to new
ones.
NOTE
Bushing
O-rings
X-ring
Wiper ring
221W098E
Replace all seals and rings to new ones when
reassembling.
NOTE
Disassembly of seals on the cylinder head.
Remove the X-ring, the wiper ring, and the O-ring.
8.
1. Remove rings with extending by using a spatula or a
screwdriver.
2. The wiper ring is press-fitted. Stick the ring by a tool
like a screwdriver from the bushing side and tap to
push the wiper ring out.
3. Remove the O-ring and X-ring with the same manner
by using a spatula or a screwdriver.
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