Bosch GBH 24 V Professional Operations Instructions download pdf (Page 22)

22 | English

1 619 929 757 | (2.8.07) Bosch Power Tools

Changing the Tool Holder

Dismounting the SDS-plus Tool Holder or the

Quick change keyless chuck (see figure C)

Pull the lock ring of the tool holder 4 firmly in

the direction of the arrow, hold it in this position

and pull off the tool holder 1 or the keyless re-

placement chuck 18 toward the front.

After removing, protect the tool holder 1 or the

quick change keyless chuck 18 against contami-

nation. Lightly lubricate the engaging grooves, if

required.

Mounting the SDS-plus Tool Holder or the

Quick change keyless chuck

Grasp the tool holder 1 or the keyless replace-

ment chuck 18 completely with your hand. Slide

the tool holder 1 or the keyless replacement

chuck 18 with a turning motion onto the drill

chuck mounting until a distinct latching noice is

heard.

The tool holder 1 or the quick change keyless

chuck 18 is automatically locked. Check the

locking effect by pulling the tool holder.

Changing the Key Type Drill Chuck

(see figure D)

Mounting the Key Type Drill Chuck

Screw the SDS-plus adapter shank 17 into a key

type drill chuck 16. Secure the key type drill

chuck 16 with the securing screw 15. Please ob-

serve that the securing screw has a left-hand

thread.

Clean the shank end of the adapter shank and

apply a light coat of grease.

Insert the key type drill chuck with the adapter

shank into the tool holder with a turning motion

until it automatically locks.

Check the locking effect by pulling the key type

drill chuck.

Dismounting the Key Type Drill Chuck

Push the locking sleeve 3 toward the rear and

pull out the key type drill chuck 16.

Changing the Tool

With the SDS-plus tool holder, simple and con-

venient tool changing is possible without addi-

tional aids.

As a requirement of the system, the SDS-plus

drilling tool can move freely. This causes a cer-

tain radial run-out at no-load, which has no ef-

fect on the accuracy of the drill hole, as the drill

bit centres itself upon drilling.

The dust protection cap 2 largely prevents the

entry of drilling dust into the tool holder during

operation. When inserting the tool, take care

that the dust protection cap 2 is not damaged.

f A damaged dust protection cap should be

changed immediately. We recommend hav-

ing this carried out by an after-sales service.

Inserting SDS-plus Drilling Tools (see figure E)

Clean and lightly grease the shank end of the

tool.

Insert the tool in a twisting manner into the tool

holder until it latches itself.

Check the latching by pulling the tool.

Removing SDS-plus Drilling Tools

(see figure F)

Push back the locking sleeve 3 and remove the

tool.

Inserting Drilling Tools without SDS-plus

(GBH 24 VF) (see figure G)

Note: Do not use drilling tools without SDS-plus

for hammer drilling! Drilling tools without SDS-

plus as well as the tool holder are damaged

when used for hammer drilling.

Insert the quick change keyless chuck 18.

Firmly hold the retaining ring of the quick

change keyless chuck 18. Open the quick

change keyless chuck by turning the front sleeve

in the direction of the symbol “ ”.

Insert the drilling tool into the quick change key-

less chuck 18. Firmly hold the retaining ring of

the quick change keyless chuck 18 and turn the

front sleeve in the direction of the symbol

“”.

Set the selector switch 7 to the “Drilling” sym-

bol.

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Bosch GBH 24 V Professional Operations Instructions Page 22

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