Manual Bosch GSB 24-2 (page 19 of 277) (All languages)

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position. There is risk of injury from unintentionally

pressing the on/off switch.

uRemove the battery from the power tool before carry-

ing out work on the power tool (e.g. maintenance,

changing tool, etc.). The battery should also be re-

moved for transport and storage. There is risk of injury

from unintentionally pressing the on/off switch.

Auxiliary Handle

uDo not operate your power tool without the auxiliary

handle (11).

Only for GSB21-2 power tools with keyed chuck: Mount

the auxiliary handle(11) in accordance with figuresA toC.

You can adjust the auxiliary handle (11) to any of 12 posi-

tions in order to achieve a safe work posture that minimises

fatigue.

Turn the lower gripping end of the auxiliary handle(11) in

rotational direction  and push the auxiliary handle(11) for-

wards until you can swivel it into the required position. Then

pull the auxiliary handle(11) back again and turn the lower

gripping end in rotational direction  to tighten it (seefig-

ure D).

Setting the Drilling Depth (seefigureD)

You can use the depth stop to set the required drilling depth

Press the button for depth stop adjustment (10) and insert

the depth stop into the auxiliary handle .

Pull the depth stop far enough out that the distance between

the drill bit tip and the edge of the depth stop corresponds

to the required drilling depth X.

The fluting on the depth stop(12) must face upwards.

Changing the tool

uWear protective gloves when changing tools. The drill

chuck may heat up significantly when it is used for long

periods.

Keyless chuck (see figure E)

uRemove the battery from the power tool before carry-

ing out work on the power tool (e.g. maintenance,

changing tool, etc.). The battery should also be re-

moved for transport and storage. There is risk of injury

from unintentionally pressing the on/off switch.

The drill spindle is locked when the on/off switch (7) is not

pressed. This makes it possible to change the application

tool in the drill chuck quickly, conveniently and easily.

Open the keyless chuck (1) by turning it in the direction of

rotation  until the tool can be inserted. Insert the tool.

Firmly tighten the sleeve of the keyless chuck (1) by turning

it by hand in the rotational direction  until it stops clicking.

This will automatically lock the drill chuck.

The lock will disengage again if you turn the sleeve in the op-

posite direction to remove the tool.

Keyed chuck (seefigureF)

Open the keyed chuck(15) by turning it until the tool can be

inserted. Insert the tool.

Insert the chuck key(14) into the corresponding holes of the

keyed chuck(15) and clamp the tool evenly.

Screwdriving tools (see figure G)

You should always use a universal bit holder (17) when using

screwdriver bits (16). Only use screwdriver bits that fit the

screw head.

For screwdriving, make sure the "drilling/impact drilling" se-

lector switch (2) is always set to the "drilling" symbol.

Changing the drill chuck

uIf your power tool does not have a drill spindle locking

mechanism, you must have the drill chuck changed by

an authorised after-sales service centre for Bosch

power tools.

uPull the plug out of the socket before carrying out any

work on the power tool.

Removing the drill chuck (see figure H)

Remove the auxiliary handle(11) and set the gear selector

switch(9) to the middle position between first and second

gear.

Insert a steel pin with a diameter of 4 mm and a length of ap-

prox. 50 mm into the hole on the spindle collar to lock the

drill spindle in place. Clamp a hex key (18) in the keyless

chuck (1), leading with the short shaft.

Place the power tool on a firm surface, e.g. a work bench.

Hold the power tool in place and loosen the keyless chuck

(1) by turning the hex key (18) in the rotational direction .

A tightly seated keyless chuck is loosened with a light blow

on the long shaft of the hex key (18). Remove the hex key

from the keyless chuck and completely unscrew the keyless

chuck from the power tool.

Fitting the drill chuck (seefigureI)

To fit the keyless chuck/keyed chuck, perform the same

steps in reverse order.

uAfter successfully fitting the drill chuck, remove the

steel pin from the hole again.

The drill chuck must be tightened using a tight-

ening torque of approx. 67–74 Nm.

Dust/Chip Extraction

Dust from materials such as lead-containing coatings, some

wood types, minerals and metal can be harmful to one’s

health. Touching or breathing-in the dust can cause allergic

reactions and/or lead to respiratory infections of the user or

bystanders.

Certain dust, such as oak or beech dust, is considered carci-

nogenic, especially in connection with wood-treatment ad-

ditives (chromate, wood preservative). Materials containing

asbestos may only be worked by specialists.

– Provide for good ventilation of the working place.

– It is recommended to wear a P2 filter-class respirator.

Bosch Power Tools 1 609 92A 7YU | (01.06.2022)

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Bosch GSB 24-2 Manual

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