Hitachi H 65SD3, Руководство по обслуживанию, Страница: 6 / 17

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Fig. 6 • Mounting the striker
Fig. 7 • Mounting oil seal (A)
5. Mounting the striker
The striker can be mounted in either of the following two ways.
• Mount the Connecting Rod Ass’y
[28] to the Crank Shaft [48] inside the Housing Ass’y [49] . Mount the
Piston [26] and apply grease for hammer. hammer drill (Code No. 980927) to the inside and outside of
the Striker [21] . Turn the Crank Shaft [48] and move the Connecting Rod Ass’y [28] all the way inside the
Housing Ass’y [49] . Then mount the Striker [21] .
• Mount the Piston [26] onto the Connecting Rod Ass’y [28] . Apply grease for hammer. hammer drill
(Code No. 980927) to the inside and outside of the Striker [21] . Mount the Striker [21] .
Either of the above two ways requires a pressing force of more than 30 kg.
When a "hissing" sound is heard, the Piston
[26] is properly inserted in the Striker [21] .
(The "hissing" is the sound of the compressed air escaping from the Striker [21] when the Piston [26]
reaches the respiratory hole in the Striker [21] .)
6. Mounting oil seal (A)
When mounting Oil Seal (A) [27] on the Piston [26] ,
ensure that the lip portion of Oil Seal (A) [27] is
directed toward the rear surface of the Piston [26] as
illustrated in Fig. 7. Before mounting, thoroughly coat
Oil Seal (A)
[27] and O-ring (A) [22] with grease for
hammer. hammer drill (Code No. 980927) and
carefully ensure they are not damaged.
[21] (Grooved for identification)
Piston length 48 mm
[49]
[48]
Press.
[28]
Press.
Respiratory holes
[26]
Respiratory holes
[22]
[27]
Lip
[26]