2 609 003 652 | (5.2.09)
Bosch Power Tools
46
| English
Completely open the keyless chuck
2
and unscrew the se-
curing screw
12
in rotation direction
n
.
Please note that
the securing screw has a left-hand thread.
If the securing screw
12
is seated tightly, apply a screw-
driver to the screw head and loosen the securing screw
by giving a blow onto the handle of the screwdriver.
Removing the Drill Chuck (see figure D)
Clamp the short end of an Allen key
13
into the keyless
chuck
2
.
Place the machine on a stable surface (e. g. a work-
bench). Hold the machine firmly and loosen the keyless
chuck
2
by turning the Allen key
13
in rotation direction
n
. Loosen a tight-seated keyless chuck by giving the long
end of the Allen key
13
a light blow. Remove the Allen key
from the keyless chuck and completely unscrew the key-
less chuck.
Mounting the Drill Chuck (see figure E)
The keyless chuck is mounted in reverse order.
Note:
After mounting the keyless chuck, screw the secur-
ing screw
12
in again.
The drill chuck must be tightened with a tighten-
ing torque of approx.
17–23
Nm.
Dust/Chip Extraction
f
Dusts from materials such as lead-containing coatings,
some wood types, minerals and metal can be harmful
to one’s health. Touching or breathing-in the dusts can
cause allergic reactions and/or lead to respiratory in-
fections of the user or bystanders.
OBJ_BUCH-623-003.book Page 46 Thursday, February 5, 2009 4:00 PM
