Operation - Bosch GSB 1600 RE Professional Original Instructions Manual

OBJ_BUCH-99-003.book Page 13 Tuesday, June 7, 2011 12:16 PM
from the effects of vibration such as: maintain the tool and the
accessories, keep the hands warm, organisation of work pat-
terns.
Declaration of Conformity
We declare under our sole responsibility that the product de-
scribed under "Technical Data" is in conformity with the fol-
lowing standards or standardization documents: EN 60745
according to the provisions of the directives 2004/108/EC,
2006/42/EC.
Technical file at:
Robert Bosch GmbH, PT/ESC,
D-70745 Leinfelden-Echterdingen
Dr. Egbert Schneider Dr. Eckerhard Strötgen
Senior Vice President Head of Product
Engineering Certification
Robert Bosch GmbH, Power Tools Division
D-70745 Leinfelden-Echterdingen
Leinfelden, 09.06.2011
Assembly
Auxiliary Handle (see figure A)
Operate your machine only with the auxiliary handle
12.
The auxiliary handle 12 can be set to any position for a secure
and low-fatigue working posture.
Turn the wing bolt for adjustment of the auxiliary handle 11 in
anticlockwise direction and set the auxiliary handle 12 to the
required position. Then tighten the wing bolt 11 again in
clockwise direction.
Adjusting the Drilling Depth (see figure A)
The required drilling depth X can be set with the depth stop
13.
Press the button for the depth stop adjustment 10 and insert
the depth stop into the auxiliary handle 12.
Pull out the depth stop until the distance between the tip of
the drill bit and the tip of the depth stop correspond with the
desired drilling depth X.
Changing the Tool
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
serted. Insert the tool.
Hold the rear sleeve 3 of the keyless chuck 1 tight and firmly
turn the front sleeve 2 in rotation direction
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.
Bosch Power Tools
Screwdriver Tools (see figure C)
When working with screwdriver bits 15, a universal bit holder
14 should always be used. Use only screwdriver bits that fit
the screw head.
For driving screws, always position the "Drilling/Impact Drill-
ing" selector switch 4 to the "Drilling" symbol.
Replacing the Drill Chuck
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 16 into the
keyless chuck 1 and position the open-end wrench 17
(size 12) against the spanner flats of the drive spindle. Place
the machine on a firm surface, e.g. a workbench. Hold the
open-end wrench 17 firmly and loosen the keyless chuck 1 by
turning the Allen key 16 in anticlockwise direction. A tightly
sitting keyless chuck is loosened with a light blow onto the
long end of the Allen key 16. 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.

Operation

Starting Operation
Observe correct mains voltage! The voltage of the pow-
er 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 9 is used to reverse the rota-
tional direction of the machine. However, this is not possible
with the On/Off switch 7 actuated.
Right Rotation: For drilling and driving in screws, push the
rotational direction switch 9 left to the stop.
Left Rotation: For loosening and unscrewing screws and
nuts, press the rotational direction switch 9 through to the
right stop.
Setting the Operating Mode
, until the tool can be in-
by hand until
The selector switch 4 engages noticeably and can also be ac-
tuated with the machine running.
The drill chuck must be tightened with a tightening
torque of approx. 30–35 Nm.
Drilling and Screwdriving
Set the selector switch 4 to the "Drilling" symbol.
Impact Drilling
Set the selector switch 4 to the "Impact drilling"
symbol.
1 609 929 M07 | (7.6.11)
English | 13