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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.
Fig. 9
Dust cup
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. 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 and
will rotate. 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.
⅜
Dump particles after every two or three holes
when drilling.
⅜
Please replace the drill bit after removing dust
collector (B).
5. Selecting the driver bit
Screw heads or bits will be damaged unless a bit
appropriate for the screw diameter is employed to
drive in the screws.
6. Confirm the direction of bit rotation (Fig. 11)
The bit rotates clockwise (viewed from the rear
side) by pushing the R-side of the push button. (Fig.
11-a)
The L-side of the push button is pushed to turn
the bit counterclockwise. (Fig. 11-b)
The motor does not rotate if the push button is set
to the center position. (Fig. 11-c)
(c) Does not rotate
Fig. 11 Diagram seen from the handle side
Fig. 10
Dust
collector (B)
(b) Reverse rotation
(a) Forward rotation
Push
the
R
side
Push
button
Push
the
L
side
Push
button
Push
button
Center
position
L
indication
R
indication
01Eng_DH25DAL_US 9/14/07, 20:3914