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OBJ_BUCH-2423-002.book Page 30 Tuesday, August 11, 2015 9:55 AM
30 | English
Firmly tighten the collar of the keyless chuck 1 by hand in rotation direction until
the locking action ("click") is heard. This automatically locks the chuck.
The locking is released again to remove the tool when the collar is turned in the oppo-
site direction.
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 by-
standers.
Certain dust, such as oak or beech dust, is considered carcinogenic, especially in
connection with wood-treatment additives (chromate, wood preservative).Mate-
rials 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.
Observe the relevant regulations in your country for the materials to be worked.
Prevent dust accumulation at the workplace. Dust can easily ignite.
Operation
Starting Operation
Reversing the rotational direction (see figure C)
The rotational direction switch 2 is used to reverse the rotational direction of the ma-
chine. However, this is not possible with the On/Off switch 4 actuated.
Right Rotation: For drilling and driving in screws, push the rotational direction
switch 2 left to the stop.
Left Rotation: For loosening and unscrewing screws and nuts, press the rotational di-
rection switch 2 through to the right stop.
Switching On and Off
To start the machine, press the On/Off switch 4 and keep it pressed.
The power light 6 lights up when the On/Off switch 4 is slightly or completely pressed,
and allows the work area to be illuminated when lighting conditions are insufficient.
To switch off the machine, release the On/Off switch 4.
To save energy, only switch the power tool on when using it.
1 609 92A 1F9 | (11.8.15)
Bosch Power Tools