Bedienungsanleitung Bosch gsb 21 2 rct (Seite 22 von 155) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch, Türkisch, Schwedisch, Norwegisch, Finnisch)

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22 | English

2 609 932 659 | (4.2.09) Bosch Power Tools

Assembly

f Before any work on the machine itself, pull

the mains plug.

Auxiliary Handle (see figure A)

f Operate your machine only with the auxilia-

ry handle 12.

The auxiliary handle 12 can be set in 12 posi-

tions to achieve a safe and low-fatigue working

stance.

Turn the bottom part of the auxiliary handle 12

in rotation direction n and push the auxiliary

handle 12 forward until you can pivot it to the

desired position. Then pull the auxiliary handle

12 back again and tighten it by turning the bot-

tom part of the auxiliary handle in rotation direc-

tion o.

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

11 and insert the depth stop into the auxiliary

handle 12.

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.

The knurled surface of the depth stop 13 must

face upward.

Changing the Tool

f Wear protective gloves when changing the

tool. The drill chuck can become very hot

during longer work periods.

Keyless Chuck (see figure B)

The drill spindle is locked when the On/Off

switch 8 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 n, until the tool can be inserted. Insert

the tool.

Firmly tighten the collar of the keyless chuck 1

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.

Key Type Drill Chuck (see figure C)

Open the key type drill chuck 15 by turning until

the tool can be inserted. Insert the tool.

Insert the chuck key 14 into the corresponding

holes of the key type drill chuck 15 and clamp

the tool uniformly.

Screwdriver Tools (see figure D)

When working with screwdriver bits 16, a uni-

versal bit holder 17 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

f 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 spin-

dle.

Clamp the short end of an Allen key 18 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

18 in rotation direction n. Loosen a tight-seated

keyless chuck by giving the long end of the Allen

key 18 a light blow. Remove the Allen key from

the keyless chuck and completely unscrew the

keyless chuck.

OBJ_BUCH-909-001.book Page 22 Wednesday, February 4, 2009 7:50 AM

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