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OBJ_BUCH-805-002.book Page 9 Tuesday, July 22, 2008 9:16 AM
Assembly
Changing the Tool
Before any work on the power tool itself,
pull the mains plug.
Wear protective gloves when changing the
tool. The drill chuck can become very hot dur-
ing longer work periods.
Key-type Drill Chuck (see figure A)
Open the key-type drill chuck 1 by turning until
the tool can be inserted. Insert the tool.
Insert the chuck key 6 into the corresponding
holes of the key-type drill chuck 1 and clamp the
tool uniformly.
Screwdriver Tools (see figure B)
When working with screwdriver bits 7, a univer-
sal bit holder 8 should always be used. Use only
screwdriver bits that fit the screw head.
Replacing the Drill Chuck
For power tools without spindle lock, the drill
chuck must be replaced by an authorized after-
sales service agent for Bosch power tools.
The drill chuck must be tightened with a
tightening torque of approx. 31–35 Nm.
Dust/Chip Extraction
Dusts from materials such as lead-containing
coatings, some wood types, minerals and
metal can be harmful to one's health. Touch-
ing or breathing-in the dusts can cause aller-
gic reactions and/or lead to respiratory infec-
tions of the user or bystanders.
Certain dusts, such as oak or beech dust, are
considered as carcinogenic, especially in con-
nection with wood-treatment additives (chro-
mate, wood preservative). Materials contain-
ing 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 coun-
try for the materials to be worked.
Bosch Power Tools
Operation
Starting Operation
Observe correct mains voltage! The voltage
of the power source must agree with the
voltage specified on the type plate of the
power tool.
Reversing the Rotational Direction
(GBM 13 RE) (see figure C)
The rotational direction switch 5 is used to re-
verse the rotational direction of the machine.
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 5 left to the
stop.
Left Rotation: For loosening and unscrewing
screws and nuts, press the rotational direction
switch 5 through to the right stop.
Switching On and Off
To start the power tool, press the On/Off switch
4 and keep it pressed.
To lock the pressed On/Off switch 4, press the
lock-on button 3.
To switch off the power tool, release the On/Off
switch 4 or when it is locked with the lock-on but-
ton 3, briefly press the On/Off switch 4 and then
release it.
Adjusting the Speed (GBM 13 RE)
The speed of the switched on power tool can be
variably adjusted, depending on how far the
On/Off switch 4 is pressed.
Light pressure on the On/Off switch 4 results in
a low rotational speed. Further pressure on the
switch results in an increase in speed.
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