Bosch GSR Professional Original Instructions Manual page 25

OBJ_BUCH-690-003.book Page 25 Thursday, August 28, 2008 9:04 AM
Certain dusts, such as oak or beech dust, are
considered as carcinogenic, especially in
connection with wood-treatment additives
(chromate, wood preservative). Materials
containing asbestos may only be worked by
specialists.
– Provide for good ventilation of the work-
ing place.
– It is recommended to wear a P2 filter-
class respirator.
Observe the relevant regulations in your
country for the materials to be worked.
Operation
Starting Operation
Inserting the Battery
Use only original Bosch lithium ion batter-
ies with the voltage listed on the nameplate
of your power tool. Using other batteries can
lead to injuries and pose a fire hazard.
Set the rotational direction switch 10 to the cen-
tre position to protect the power tool against
accidental starting.
Insert the charged battery 8 from the front into
the base of the power tool. Push the battery
completely into the base until the red stripe can
no longer be seen and the battery is securely
locked.
Reversing the Rotational Direction
(see figure F)
The rotational direction switch 10 is used to re-
verse the rotational direction of the machine.
However, this is not possible with the On/Off
switch 11 actuated.
Right Rotation: For drilling and driving in
screws, push the rotational direction switch 10
left to the stop.
Left Rotation: For loosening and unscrewing
screws and nuts, press the rotational direction
switch 10 through to the right stop.
Bosch Power Tools
Setting the Torque
With the torque presetting ring 2 the required
torque setting can be preselected in
25+1 steps. With the correct setting, the insert
tool is stopped as soon as the screw is screwed
flush into the material or when the adjusted
torque is reached. The safety clutch is deactivat-
ed in the " " position, e. g. for drilling.
Select a higher setting or switch to the
" " symbol when unscrewing screws.
Setting range 1–20:
Lower torque for screwing in screws with small
diameter or into soft materials. Fine torque gra-
dients between the individual setting positions.
Setting range 21–25:
Higher torque for screwing in screws with large
diameters or into hard materials. Coarse torque
gradients between the individual setting posi-
tions.
Setting the Operating Mode
(GSB 14,4 VE-2 LI/ GSB 18 VE-2 LI)
(see figure G)
With the operating mode preselection ring 4,
you can select between drilling/screwdriving
and impact drilling.
Drilling and screwdriving
Set the preselection ring 4 to the "Drill-
ing without impact" symbol.
Impact drilling
Set the preselection ring 4 to the "Im-
pact drilling" symbol.
In the "Impact drilling" position, the safety
clutch is deactivated and the maximum power is
always effective.
Gear Selection, Mechanical
The gear selector 3 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 3.
Gear I:
Low speed range; for screwdriving or working
with large drilling diameter.
2 609 932 662 | (28.8.08)
English | 25