Hitachi DH 30PC, DH 30PB Confirming condition of the environment, Mounting the drill bit Fig

English

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.

Front cap

Part of SDS-plus shank

Grip

Drill bit

Fig. 2

7. Installation of dust cup or dust	Dust Cup
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.

◯Installing the dust cup

Fig. 3

Use the dust cup by attaching to the

drill bit a shown in Fig. 3. Dust Collector (B)

When using a bit which has big diameter, enlarge the center hole of

the dust cup with this rotary hammer. ◯ 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)

Fig. 4

CAUTION:

◯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.

◯Insert dust collector (B) completely into the chuck part of the main unit.

◯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.

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