Working Advice; Maintenance And Service; Maintenance And Cleaning - Bosch WEU GBM Professional 10-2 RE Notice Originale

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OBJ_BUCH-321-003.book Page 21 Monday, December 20, 2010 8:40 AM
Right rotation: Press the rotational direction
switch 7 through to the right stop (for drilling
and driving screws).
Left rotation: Press the rotational direction
switch 7 through to the left stop (for loosening
and unscrewing screws and nuts).
Gear Selection, Mechanical
The gear selector 8 can be actuated at
standstill or when the machine is running.
However, this should not be done while op-
erating at full load or maximum speed.
Two speed ranges can be preselected with the
gear selector 8.
Gear I:
Low speed range; for working with large drilling
diameter or for driving in screws.
Gear II:
High speed range; for working with small drilling
diameter.
If the gear selector 8 cannot be fully engaged,
lightly rotate the drive spindle with the drill bit
by twisting the drill chuck.
Preselecting the Speed
(GBM 10-2 RE/GBM 13-2 RE)
The required speed can be preselected with the
thumbwheel 5 (also while running).
The required speed depends on the material to
be worked and the diameter of the tool. Deter-
mine the optimum setting through practical
testing.
Switching On and Off
To start the machine, press the On/Off switch 6
and keep it pressed.
To lock the pressed On/Off switch 6, press the
lock-on button 4.
To switch off the machine, release the On/Off
switch 6 or when it is locked with the lock-on
button 4, briefly press the On/Off switch 6 and
then release it.
Adjusting the Speed
(GBM 10-2 RE/GBM 13-2 RE)
The speed of the switched on power tool can be
variably adjusted, depending on how far the
On/Off switch 6 is pressed.
Bosch Power Tools
Light pressure on the On/Off switch 6 results in
a low rotational speed. Further pressure on the
switch results in an increase in speed.

Working Advice

Apply the power tool to the screw/nut only
when it is switched off. Rotating tool inserts
can slip off.
For drilling in metal, use only perfectly sharp-
ened HSS drill bits (HSS=high-speed steel). The
appropriate quality is guaranteed by the Bosch
accessories program.
Twist drills from 2.5–10 mm can easily be
sharpened with the drill bit sharpener (see ac-
cessories).
We recommend the use of a drill stand (see ac-
cessories) for work where greater precision is
particularly required.
The machine vice, which is available as an acces-
sory, enables secure clamping of workpieces.
This prevents the workpiece from turning and
any accidents this would cause.

Maintenance and Service

Maintenance and Cleaning

Before any work on the machine itself, pull
the mains plug.
For safe and proper working, always keep
the machine and ventilation slots clean.
If the machine should fail despite the care taken
in manufacturing and testing procedures, repair
should be carried out by an after-sales service
centre for Bosch power tools.
In all correspondence and spare parts order,
please always include the 10-digit article
number given on the type plate of the machine.
2 609 932 788 | (20.12.10)
English | 21

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