Hitachi DH 24PC3 Technical Data And Service Manual page 25

(4) Neutral (Fig. 9)
The Model DH 24PC3 has a neutral mode used for positioning a tool such as a flat chisel. Adjust the change
lever to a position halfway between "hammering only" ( mark) and "rotation and hammering" ( marks).
Engagement between the pinion sleeve and the second pinion ( B portion in the figure), and between the lock
plate and the locking claw of the second pinion ( C portion in the figure) is released and the cylinder rotates
freely. Simply turn the grip to adjust the tool to the desired position.
Lock plate
C portion is separated (tool turns free).
Second pinion
Locking claw of second pinion
Second gear
Cylinder
Pinion sleeve
B portion is separated
(rotation stopped).
Fig. 9
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