Hitachi H 65SD3, Руководство по обслуживанию, Страница: 4 / 17

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Fig. 3 • Removal of the O-ring
Fig. 4 • Disassembly of the retainer section
4. Removal of the O-rings
Because the two O-rings [12] are installed inside the Shank Sleeve [13] , it may be difficult to remove.
Gently pry the O-rings [12] upward with a small flat-blade screwdriver, while being very careful not to
damage the O-ring surface as illustrated in Fig. 3.
5. Disassembly of the striker section
(1) Remove the four Bolts M8 x 40 [23] , and separate the Cylinder Case [19] from the Housing Ass’y [49] .
(2) Take out the Striker [21] , Piston [26] , and Connecting Rod Ass’y [28] in a single body from the
Cylinder Case [19] .
(3) Holding the Striker [21] firmly in one hand, grasp the Connecting Rod Ass’y [28] in the other hand and
pull it forcefully to separate it from the Striker [21] .
(4) Extract the Piston Pin [25] from the Piston [26] and separate the Piston Pin [25] from the Connecting
Rod Ass’y [28] .
6. Disassembly of the retainer section
Remove the two Roll Pins D6 x 55 [1] from the 6 mm dia. holes of the Retainer [2] , and then remove the
Lever Pin [3] . The Retainer [2] and two Retainer Dampers (A) [4] can then be removed from the Front
Cover [8] .
.
[12]
[13]
Flat-blade screwdriver
[2]
[3]
[1]
[4]
[8]