OBJ_BUCH-623-001.book Page 47 Tuesday, March 4, 2008 1:53 PM
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 workbench).
Hold the machine firmly and loosen the keyless chuck 2
by turning the Allen key 13 in rotation direction
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 keyless 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
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.
Bosch Power Tools
English | 47
. Loosen
2 609 002 549 | (4.3.08)