Changing The Tool; Dust/Chip Extraction - Bosch GBM 6 Professional Manual Original

OBJ_BUCH-513-001.book Page 18 Wednesday, September 12, 2007 12:49 PM
18 | English

Changing the Tool

Before any work on the machine itself, pull
the mains plug.
Wear protective gloves when changing the
tool. The drill chuck can become very hot dur-
ing longer work periods.
Keyless Chuck (see figure B)
Hold the rear sleeve 12 of the keyless chuck 10
tight and turn the front sleeve 11 in rotation di-
rection , until the tool can be inserted. Insert
the tool.
Hold the rear sleeve 12 of the keyless chuck 10
tight and firmly tighten the front sleeve 11 by
hand in rotation direction
tion (click) is heard. The drill chuck is locked au-
tomatically.
The locking is released again to remove the tool
when the front sleeve 11 is turned in the oppo-
site direction.
Key Type Drill Chuck (see figure C)
Open the key type drill chuck 1 by turning until
the tool can be inserted. Insert the tool.
Insert the chuck key 13 into the corresponding
holes of the key type drill chuck 1 and clamp the
tool uniformly.
Screwdriver Tools (see figure D)
When working with screwdriver bits 14, a univer-
sal bit holder 15 should always be used. Use only
screwdriver bits that fit the screw head.
Replacing the Drill Chuck
Before any work on the machine itself, pull
the mains plug.
Dismounting the Key Type Drill Chuck
(see figure E)
To dismount the key type drill chuck 1, position
an open-end spanner 16 (size 11 mm) against the
spanner flats of the drive spindle.
Place the machine on a firm support, e.g., a work-
bench. Insert the chuck key 13 into one of the
three holes of the key type drill chuck 1 and re-
lease the key type drill chuck 1 with this lever by
turning in rotation direction
1 609 929 M62 | (12.9.07)
seated key type drill chuck with a light blow on
the chuck key 13. Remove the chuck key 13 from
the key type drill chuck and completely unscrew
the key type drill chuck.
Dismounting the Keyless Chuck (see figure F)
To dismount the keyless chuck 10, clamp an Allen
key 17 into the keyless chuck 10 and position an
open-end spanner 16 (size 11 mm) against the
spanner flats of the drive spindle. Place the ma-
chine on a firm support, e.g., a workbench. Hold
the open-end spanner 16 firmly and loosen the
keyless chuck 10 by turning the Allen key 17 in ro-
tation direction
chuck by giving the long end of the Allen key 17 a
blow. Remove the Allen key from the keyless
, until the locking ac-
chuck and completely unscrew the keyless
chuck.
Mounting the Drill Chuck
The keyless chuck/key type drill chuck is mount-
ed in reverse order.

Dust/Chip Extraction

. Loosen a tight
. Loosen a tight seated keyless
The drill chuck must be tightened with a
tightening torque of approx. 25–30 Nm.
Dusts from materials such as lead-containing
coatings, some wood types, minerals and
metal can be harmful to one's health. Touch-
ing or breathing-in the dusts can cause aller-
gic reactions and/or lead to respiratory infec-
tions of the user or bystanders.
Certain dusts, such as oak or beech dust, are
considered as carcinogenic, especially in con-
nection with wood-treatment additives (chro-
mate, wood preservative). Materials contain-
ing asbestos may only be worked by
specialists.
– Use dust extraction whenever possible.
– Provide for good ventilation of the working
place.
– It is recommended to wear a P2 filter-class
respirator.
Observe the relevant regulations in your coun-
try for the materials to be worked.
Bosch Power Tools