Hitachi DH 30PC - Manual (Page 11)

11
English
Fig. 2
Dust Cup
Dust Collector (B)
Fig. 3
Part of SDS-plus
shank
Front cap
Grip
Drill bit
Fig. 4
5. Confirming condition of the environment:
Confirm that the work site is placed under appropriate conditions conforming
to prescribed precautions.
6. Mounting the drill bit (Fig. 2)
(1) To attach a drill bit (SDS-plus shank),
fully pull the grip in the direction of the
arrow as shown in Fig. 2 and insert the
drill bit as far as it will go while
manually turning.
(2) By releasing the grip, the drill bit will
be secured.
(3) To remove the drill bit, fully pull the
grip in the direction of the arrow and
pull out the drill bit.
7. Installation of dust cup or dust
collector (B) (Optional accessories)
(Fig. 3, Fig. 4)
When using a rotary hammer for
upward drilling operations attach a
dust cup or dust collector (B) to collect
dust or particles for easy operation.
⅜ Installing the dust cup
Use the dust cup by attaching to the
drill bit a shown in Fig. 3.
When using a bit which has big
diameter, enlarge the center hole of
the dust cup with this rotary hammer.
⅜ Installing dust collector (B)
When using dust collector (B), insert
dust collector (B) from the tip of the
bit by aligning it to the groove on the
grip (Fig. 4)
CAUTION:
⅜ The dust cup and dust collector (B) are for exclusive use of concrete drilling
work. Do not use them for wood or metal drilling work.
⅜ Insert dust collector (B) completely into the chuck part of the main unit.
⅜ When turning the rotary hammer on while dust collector (B) is detached from
a concrete surface, dust collector (B) will rotate together with the drill bit. Make
sure to turn on the switch after pressing dust cup on the concrete surface.