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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:
ⅷ 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.
ⅷ Insert dust collector (B) completely into the
chuck part of the main unit.
ⅷ 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. (When using dust collector
(B) attached to a drill bit that has more than 7-15/32" (190 mm) of overall length, dust
collector (B) cannot touch the concrete surface but rotates. Therefore please use dust
collector (B) by attaching to drill bits which have 6-17/32" (166 mm), 6-19/64" (160
mm) and 4-21/64" (110 mm) overall length.
ⅷ Dump particles after every two or three holes when drilling.
ⅷ Please replace the drill bit after removing dust collector (B).
8. Selecting the driver bit
Screw heads or bits will be damaged should an inappropriate bit for the screw diameter
be employed to drive in the screws.
Fig. 2
Part of SDS-plus
shank
Front cap
Grip
Drill bit
Dust cap
Fig. 3
Dust collector (B)
Fig. 4
e01_dh25pb(02_24)e.p65 2/14/03, 5:02 PM11