English |
19
Bosch Power Tools
2 609 932 747 | (13.8.10)
Adjusting the Drilling Depth
The required drilling depth
X
can be set with the
depth stop
7
.
Loosen the wing bolt for the depth stop adjust-
ment
9
and insert the depth stop rod into the
auxiliary handle
10
.
Pull out the depth stop until the distance be-
tween the tip of the drill bit and the tip of the
depth stop correspond with the desired drilling
depth
X
.
Retighten the wing bolt for the depth stop ad-
justment
9
again.
Changing the Tool
f
Wear protective gloves when changing the
tool.
The drill chuck can become very hot
during longer work periods.
Key-type Drill Chuck with Automatic Locking
Feature (see figure B)
Open the key type drill chuck
1
by turning until
the tool can be inserted. Insert the tool.
Insert the chuck key
12
into the corresponding
holes of the key type drill chuck
1
and clamp the
tool uniformly.
Key-type Drill Chuck (Manual Locking)
(see figure C)
Open the key type drill chuck
16
by turning until
the tool can be inserted. Insert the tool.
Insert the chuck key
15
into the corresponding
holes of the key type drill chuck
16
and clamp
the tool uniformly.
With the hexagon of the chuck key
15
, turn the
den eccentric cam to the stop in rotation direc-
tion
o
. This ensures the tensioning force.
For removal of the application tool, turn the ec-
centric cam in rotation direction
n
and open the
key-type drill chuck
16
with the chuck key
15
.
Screwdriver Tools
When working with screwdriver bits
13
, a uni-
versal bit holder
14
should always be used. Use
only screwdriver bits that fit the screw head.
For driving screws, always position the “Drill-
ing/Impact Drilling” selector switch
2
to the
“Drilling” symbol.
Replacing the Drill Chuck
Removing the Drill Chuck (see figure D)
To dismount the key type drill chuck
1
, position
an open-end spanner
17
(size 17 mm) against
the spanner flats of the drive spindle.
Place the machine on a firm support, e.g., a
workbench. Insert the chuck key
12
into one of
the three holes of the key type drill chuck
1
and
release the key type drill chuck
1
with this lever
by turning in rotation direction
n
. Loosen a tight
seated key type drill chuck with a light blow on
the chuck key
12
. Remove the chuck key
12
from
the key type drill chuck and completely unscrew
the key type drill chuck.
Mounting the Drill Chuck (see figure E)
The key type drill chuck is mounted in reverse
order.
The drill chuck must be tightened with a
tightening torque of approx. 53–61 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. 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
connection with wood-treatment additives
(chromate, wood preservative). Materials
containing asbestos may only be worked by
specialists.
– Provide for good ventilation of the work-
ing place.
– It is recommended to wear a P2 filter-
class respirator.
Observe the relevant regulations in your
country for the materials to be worked.
f
Prevent dust accumulation at the work-
place.
Dusts can easily ignite.
OBJ_BUCH-1294-001.book Page 19 Friday, August 13, 2010 11:41 AM
