OBJ_BUCH-623-001.book Page 51 Tuesday, March 4, 2008 1:53 PM
Protection Against Deep Discharging
The Li-ion battery is protected against deep discharging
by the "Electronic Cell Protection (ECP)". When the bat-
tery is empty, the machine is switched off by means of a
protective circuit: The inserted tool no longer rotates.
Working Advice
Apply the power tool to the screw only when it is
switched off. Rotating tool inserts can slip off.
Tips
After longer periods of working at low speed, allow the
machine to cool down by running it for approx. 3 minutes
at maximum speed with no load.
For drilling in metal, use only perfectly sharpened HSS
drill bits (HSS=high-speed steel). The appropriate quality
is guaranteed by the Bosch accessories program.
Before screwing larger, longer screws into hard materials,
it is advisable to predrill a pilot hole with the core diame-
ter of the thread to approx.
Maintenance and Service
Maintenance and Cleaning
Before any work on the machine (e. g., maintenance,
tool change, etc.) as well as during transport and
storage, set the rotational direction switch to the
centre position. Unintentional actuation of the On/Off
switch can lead to injuries.
Bosch Power Tools
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of the screw length.
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2 609 002 549 | (4.3.08)