Auxiliary Handle (See Figure A); Changing The Tool - Bosch Professional GSB 16 RE Manual Original

OBJ_BUCH-806-001.book Page 19 Thursday, July 10, 2008 12:35 PM
Assembly
Before any work on the machine itself, pull
the mains plug.

Auxiliary Handle (see figure A)

Operate your machine only with the auxilia-
ry handle 7.
The auxiliary handle 7 can be set to any position
for a secure and low-fatigue working posture.
Turn the bottom part of the auxiliary handle 7 in
counterclockwise direction and swivel the auxil-
iary handle 7 to the desired position. Then
retighten the bottom part of the auxiliary handle
7 by turning in clockwise direction.
Adjusting the Drilling Depth (see figure A)
The required drilling depth X can be set with the
depth stop 8.
Turn the bottom part of the auxiliary handle 7 in
anticlockwise direction and insert the depth
stop 8.
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.
Afterwards, tighten the bottom part of the auxil-
iary handle 7 again by turning in clockwise direc-
tion.
The knurled surface of the depth stop 8 must
face upward.

Changing the Tool

Keyless Chuck (see figure B)
The drill spindle is locked when the On/Off
switch 5 is not pressed. This makes quick, con-
venient and easy changing of the tool in the drill
chuck possible.
Open the keyless chuck 1 by turning in rotation
direction , until the tool can be inserted. Insert
the tool.
Firmly tighten the collar of the keyless chuck 1
by hand in rotation direction
action ("click") is no longer heard. This automat-
ically locks the chuck.
Bosch Power Tools
The locking is released again to remove the tool
when the collar is turned in the opposite direc-
tion.
Key Type Drill Chuck (see figure C)
Wear protective gloves when changing the
tool. The drill chuck can become very hot
during longer work periods.
Open the key type drill chuck 10 by turning until
the tool can be inserted. Insert the tool.
Insert the chuck key 9 into the corresponding
holes of the key type drill chuck 10 and clamp
the tool uniformly.
Screwdriver Tools (see figure D)
When working with screwdriver bits 11, a uni-
versal bit holder 12 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
Before any work on the machine itself, pull
the mains plug.
For power tools without spindle lock, the
drill chuck must be replaced by an author-
ised after-sales service agent for Bosch
power tools.
Removing the Drill Chuck (see figure E)
Disassemble the auxiliary handle and set the
gear selector 10 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 spindle.
Clamp the short end of an Allen key 13 into the
keyless chuck 1.
Place the machine on a stable surface (e. g. a
workbench). Hold the machine firmly and loos-
en the keyless chuck 1 by turning the Allen key
13 in rotation direction
keyless chuck by giving the long end of the Allen
until the locking
key 13 a light blow. Remove the Allen key from
the keyless chuck and completely unscrew the
keyless chuck.
English | 19
. Loosen a tight-seated
1 609 929 R66 | (10.7.08)