Hitachi DH 24PD3 Technical Data And Service Manual page 27

(4) Disassembly of the tool retainer
Slide the Grip [3] fully in the arrow direction as shown in Fig. 16 and remove the Front Cap [1]. Pulling the
Grip [3] as shown in Fig. 17, remove the Stopper Ring [2] with a retaining ring puller. Then the Grip [3], Ball
Holder [4], Steel Ball D7.0 [17], Holder Plate [5], Holder Spring [6] and Washer (B) [7] can be removed from
the Cylinder [18].
Grip [3]
(5) Disassembly of the cylinder and the second gear (slip mechanism section)
Remove the Gear Cover [10] from the Inner Cover Ass'y [40] and remove the entire tool retainer. Remove the
Retaining Ring for D20 Shaft [8] with a retaining ring puller. Stand the Gear Cover [10] in this state and pull
out the Cylinder [18] from the Gear Cover [10] with a hand press. Then Sleeve (A) [15] can be removed from
the Cylinder [18]. Remove the Retaining Ring 37 mm [27] from the Cylinder [18] with a retaining ring puller.
Then the Second Gear [19], Spring (A) [20] and Washer (A) [26] can be removed from the Cylinder [18].
Change Lever [25]
Front Cap [1]
Fig. 16
Pushing Button [22]
Fig. 15
Holder Plate [5]
Holder Spring [6]
Washer (B) [7]
Ball Holder [4]
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Steel Ball D7.0 [17]
Stopper Ring [2]
Grip [3]
Fig. 17