Repair Guide; Precautions On Disassembly And Reassembly - Hitachi DH 24PG Repair Manual

Be sure to disconnect the power cord plug from the power supply before conducting repair. Otherwise, the
motor may suddenly turn on, posing a very dangerous situation.

1. Precautions on disassembly and reassembly

(Bold) numbers in the descriptions below correspond to item numbers in the Parts List and exploded
assembly diagram for the Model DH 24PG, <Bold> numbers to those for the Model DH 26PB, and {Bold}
numbers to those for the Model DH 28PBY. [Bold] numbers correspond to item numbers for the Models
DH 24PG, DH 26PB, and DH 28PBY.
1. Disassembling the tool retainer ass'y
Fully pull the Grip [3] in the arrow direction and detach the Front Cap [1].
Then use the retaining ring puller to remove the Stopper Ring [2], while pulling the Grip [3] in the arrow
direction. You can now detach the Grip [3], Ball Holder [4], Steel Ball D7.0 [19], Holder Plate [5], and
Holder Spring [6] from the Cylinder [20].
Fig. 1 Disassembling the tool retainer ass'y
Grip [3]
Front Cap [1]

REPAIR GUIDE

Disassembly
Grip [3]
Holder Spring [6]
Holder Plate [5]
-1-
Steel Ball D7.0 [19]
Cylinder [20]
Stopper Ring [2]
Ball Holder [4]