# Changing the drill chuck

## Inserting/removing the keyed chuck

## GBH 2-25 / GBH 2-26

You must use a suitable drill chuck (keyed or keyless chuck, accessories) to work with tools that do not have SDS plus (e.g. cylindrical shank drill bits).

##

- Screw the SDS plus shank (18) into a keyed chuck (17). Secure the keyed chuck (17) using the securing screw (16). Note that the securing screw has a left-hand thread.

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- Clean and lightly grease the insertion end of the shank.
- Insert the keyed chuck with the adapter shank into the tool holder with a turning motion until it automatically locks.
- Check that it is locked by pulling the keyed chuck.

##

- Push the locking sleeve (5) back and remove the keyed chuck (17).

## Removing/inserting the quick-change chuck

## GBH 2-25 F / GBH 2-26 F

### Removing the Quick-Change Chuck (see figure C)

- Pull back on the quick-change chuck locking ring (6), hold it in this position and pull the SDS plus quick-change chuck (2) or the keyless quick-change chuck (1) out from the front.
- Once the quick-change chuck is removed, protect it from dirt.

### Inserting the quick-change chuck (see figure D)

- Before insertion, clean the quick-change chuck and lightly grease the shank.
- Wrap your whole hand around the SDS plus quick-change chuck (2) or the keyless quick-change chuck (1). Use a turning motion to push the quick-change chuck into the drill chuck holder (19) until you hear it click into place.
- The quick-change chuck is automatically locked. Check that it is locked by pulling on the quick-change chuck.