Hitachi DH 28PC Technical Data And Service Manual page 21

Remove Seal Lock Hex. Socket Hd. Bolt M6 x 20 [7] from Cylinder Case [8] and then separate Cylinder
Case [8], Cylinder [21], and other assembly parts from Crank Case [104]. Demount Clutch [33] and Clutch
Spring [32] from the assembly parts.
Cylinder Case [8]
Clutch [33]
Cylinder [21]
Clutch Spring [32]
Push out Cylinder [21] from the front end. You can then separate the assembly parts (Cylinder [21],
Second Hammer [23], Striker [30], Slide Sleeve [19], Lock Sleeve [17], Lock Spring [16], Ball Bearing
6905DDUCMNS7S [14], etc.) from Cylinder Case [8].
Slide Sleeve [19]
Second Hammer [23] Lock Spring [16]
Cylinder [21]
Striker [30]
Felt Packing (A) [13]
Lock Sleeve [17]
Ball Bearing 6905DDUCMNS7S [14]
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