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Reversing the rotational direction (GBH 2-23 RE)
The rotational direction switch 4 is used to reverse the rota-
tional direction of the machine. However, this is not possible
with the On/Off switch 6 actuated.
Right rotation: Turn the selector switch for drilling/
hammer drilling 4 on both sides to the stop in the
position
.
Left rotation: Turn the selector switch for drilling/
hammer drilling 4 on both sides to the stop in the
position
.
Set the direction of rotation for hammer drilling, drilling and
chiselling always to right rotation.
Switching On and Off
– To start the machine, press the On/Off switch 6.
– To lock the On/Off switch, keep it pressed and additionally
push the lock-on button 5.
– To switch off the machine, release the On/Off switch 6.
When the On/Off switch 6 is locked, press it first and then
release it.
Setting the Speed/Impact Rate (GBH 2-23 E/RE)
The speed/impact rate of the switched on power tool can be
variably adjusted, depending on how far the On/Off switch 6
is pressed.
Light pressure on the On/Off switch 6 results in low speed/im-
pact rate. Further pressure on the switch increases the
speed/impact rate.
Overload Clutch
If the tool insert becomes caught or jammed, the drive
to the drill spindle is interrupted. Because of the forces
that occur, always hold the power tool firmly with both
hands and provide for a secure stance.
If the power tool jams, switch the machine off and loos-
en the tool insert. When switching the machine on with
the drilling tool jammed, high reaction torques can oc-
cur.
Working Advice
Before any work on the machine itself, pull the mains
plug.
Chiselling
For chiselling, a MV 200 SDS-plus chiselling attachment (ac-
cessory), which is inserted into the SDS-plus tool holder 1, is
required.
Inserting Screwdriver Bits (see figure H)
Apply the power tool to the screw/nut only when it is
switched off. Rotating tool inserts can slip off.
Hold the tool by the insulated gripping surfaces when
performing operations where the application tool or
the screw could contact hidden wiring or its own power
cord. Contact with a "live" wire will also make exposed
metal parts of the power tool "live" and shock the operator.
To work with screwdriver bits, a universal bit holder 22 with
SDS-plus shank (accessory) is required.
Bosch Power Tools
– Clean the shank end of the adapter shank and apply a light
coat of grease.
– Insert the universal bit holder with a turning motion into
the tool holder until it automatically locks.
– Check the locking effect by pulling the universal bit holder.
– Insert a screwdriver bit into the universal bit holder. Use
only screwdriver bits that match the screw head.
– To remove the universal bit holder, pull the locking sleeve
3 toward the rear and remove the universal bit holder 22
out of the tool holder.
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.
A damaged dust protection cap should be changed im-
mediately. We recommend having this carried out by
an after-sales service.
– Clean the tool holder 1 each time after using.
If the replacement of the supply cord is necessary, this has to
be done by Bosch or an authorized Bosch service agent in or-
der to avoid a safety hazard.
After-sales Service and Application Service
Our after-sales service responds to your questions concern-
ing maintenance and repair of your product as well as spare
parts. Exploded views and information on spare parts can al-
so be found under:
www.bosch-pt.com
Bosch's application service team will gladly answer questions
concerning our products and their accessories.
In all correspondence and spare parts orders, please always
include the 10-digit article number given on the nameplate of
the product.
Cambodia
Robert Bosch (Cambodia) Co., Ltd
Unit 8BC, GT Tower, 08th Floor, Street 169,
Czechoslovakia Blvd, Sangkat Veal Vong
Khan 7 Makara, Phnom Penh
VAT TIN: 100 169 511
Tel.: +855 23 900 685
Tel.: +855 23 900 660
www.bosch.com.kh
People's Republic of China
China Mainland
Bosch Power Tools (China) Co., Ltd.
567, Bin Kang Road
Bin Jiang District 310052
Hangzhou, P.R.China
Tel.: 4008268484
Fax: (0571) 87774502
E-Mail: [email protected]
www.bosch-pt.com.cn
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1 609 92A 40R | (17.10.17)