1 609 929 M07 | (11.9.07)
Bosch Power Tools
18
| English
Assembly
Auxiliary Handle (see figure A)
f
Operate your machine only with the auxiliary
handle 11.
The auxiliary handle
11
can be set to any position
for a secure and low-fatigue working posture.
Turn the wing bolt for adjustment of the auxiliary
handle
10
in anticlockwise direction and set the
auxiliary handle
11
to the required position. Then
tighten the wing bolt
10
again in clockwise direc-
tion.
Adjusting the Drilling Depth (see figure A)
The required drilling depth
X
can be set with the
depth stop
12
.
Press the button for the depth stop adjustment
9
and insert the depth stop into the auxiliary han-
dle
11
.
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
.
Changing the Tool
f
Before any work on the machine itself, pull
the mains plug.
Keyless Chuck (see figure B)
Hold the rear sleeve
3
of the keyless chuck
1
tight
and turn the front sleeve
2
in rotation direction
n
, until the tool can be inserted. Insert the tool.
Hold the rear sleeve
3
of the keyless chuck
1
tight
and firmly turn the front sleeve
2
in rotation di-
rection
o
by hand until the locking action is no
longer heard. This automatically locks the drill
chuck.
The locking is released again to remove the tool
when the front sleeve
2
is turned in the opposite
direction.
Screwdriver Tools (see figure C)
When working with screwdriver bits
14
, a univer-
sal bit holder
13
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
4
to the
“Drilling” symbol.
Replacing the Drill Chuck
f
Before any work on the machine itself, pull
the mains plug.
Removing the Drill Chuck (see figure F)
To remove the keyless chuck
1
, clamp an Allen
key
15
into the keyless chuck
1
and position the
open-end wrench
16
(size 12) against the span-
ner flats of the drive spindle. Place the machine
on a firm surface, e.g. a workbench. Hold the
open-end wrench
16
firmly and loosen the key-
less chuck
1
by turning the Allen key
15
in anti-
clockwise direction. A tightly sitting keyless
chuck is loosened with a light blow onto the long
end of the Allen key
15
. Remove the Allen key
from the keyless chuck and completely unscrew
it from the machine.
Mounting the Drill Chuck (see figure G)
The keyless chuck is mounted in reverse order.
The drill chuck must be tightened with a
tightening torque of approx. 30–35 Nm.
Operation
Starting Operation
f
Observe correct mains voltage! The voltage
of the power source must agree with the
voltage specified on the nameplate of the
machine. Power tools marked with 230 V can
also be operated with 220 V.
Reversing the Rotational Direction
(see figures D–E)
The rotational direction switch
8
is used to re-
verse the rotational direction of the machine.
However, this is not possible with the On/Off
switch
6
actuated.
Right Rotation:
For drilling and driving in screws,
push the rotational direction switch
8
left to the
stop.
OBJ_BUCH-99-002.book Page 18 Tuesday, September 11, 2007 11:34 AM
