English |
23
Bosch Power Tools
2 609 003 378 | (4.6.09)
Removing the Extraction Device (see figure E)
For disassembly of the extraction device
14
,
press release button
21
and pull off the extrac-
tion device
14
toward the front.
Stowing the Extraction Device (see figure F)
For stowing the extraction device
14
in the case,
remove the extraction device
14
, slide it togeth-
er and attach clamp
22
.
Attach the locking latch
23
or empty the dust
collector
15
before placing down the extraction
device.
Auxiliary Handle
f
Operate your machine only with the auxilia-
ry handle 12.
The auxiliary handle
12
can be set in 8 positions
to achieve a safe and low-fatigue working
stance.
Turn the wing bolt for adjustment of the auxilia-
ry handle
13
in anticlockwise direction and push
the auxiliary handle
12
forward until you can piv-
ot it to the desired position. Then pull the auxil-
iary handle
12
back again and tighten the wing
bolt
13
again in clockwise direction.
Adjusting the Drilling Depth (see figure G)
The required drilling depth
X
can be set with the
depth stop
1
.
Press the button for the depth stop adjustment
3
and insert the depth stop into the auxiliary
handle
12
.
The knurled surface of the depth stop
1
must
face downward.
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 (see figure H)
Keyless Chuck
The drill spindle is locked when the On/Off
switch
10
is not pressed. This makes quick, con-
venient and easy changing of the tool in the drill
chuck possible.
Open the keyless chuck
2
by turning in rotation
direction
n
, until the tool can be inserted. Insert
the tool.
Firmly tighten the collar of the keyless chuck
2
by hand in rotation direction
o
until the locking
action (“click”) is no longer heard. This automat-
ically locks the chuck.
The locking is released again to remove the tool
when the collar is turned in the opposite direc-
tion.
Screwdriver Tools
When working with screwdriver bits
25
, a uni-
versal bit holder
24
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 I)
Disassemble the auxiliary handle and set the
gear selector
11
to the centre position between
the 1st and 2nd gear.
Insert a steel pin with a diameter of Ø 4 mm and
approx. 50 mm of length into the drill hole on
the spindle neck in order to lock the drill spin-
dle.
Clamp the short end of an Allen key
26
into the
keyless chuck
2
.
Place the machine on a stable surface (e. g. a
workbench). Hold the machine firmly and loos-
en the keyless chuck
2
by turning the Allen key
26
in rotation direction
n
. Loosen a tight-seated
keyless chuck by giving the long end of the Allen
key
26
a light blow. Remove the Allen key from
the keyless chuck and completely unscrew the
keyless chuck.
OBJ_BUCH-875-001.book Page 23 Thursday, June 4, 2009 10:51 AM