Hitachi DH25PB Instruction Manual - Page 16

Dismounting. Fig. 17

Page 16 highlights

English CAUTION: ⅷ When removing the center pin and the guide plate, turn OFF the switch and disconnect the plug form the receptacle. 3. Dismounting. (Fig. 17) Remove the core bit shank from the rotary hammer and strike the head of the core bit shank strongly two or three times with the manual hammer holding the core bit, then the thread becomes loose and the core bit can be removed. Core bit shank Fig. 17 16

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English
16
CAUTION:
²
When removing the center pin and the guide plate, turn OFF the switch and disconnect
the plug form the receptacle.
3.
Dismounting. (Fig. 17)
Remove the core bit shank from the rotary
hammer and strike the head of the core bit
shank strongly two or three times with the
manual hammer holding the core bit, then the
thread becomes loose and the core bit can be
removed.
Fig. 17
Core bit shank