Bosch Professional GDE 18V-12 Original Instructions Manual page 8

8 | English
Product Features
The numbering of the product features refers to the illustra-
tion of the dust extraction attachment on the graphics page.
(1) Button for drilling depth adjustment
(2) Guide with depth stop scale
(3) Button for drill bit length adjustment
(4) LED worklight
(5) Release buttons for dust box
(6) Release buttons for dust extraction attachment
(7) Viewing window
(8) Dust cap for SDS plus fixed chuck
(9) Housing guide (dust extraction attachment)
(10) Contacts
(11) Housing guide (rotary hammer)
(12) Locking button
(13) Dust box
a)
(14) HEPA filter
a) The HEPA filter removes 99.97% of all particles larger than
0.3 micrometres.
Technical Data
Dust extraction attachment
Article number
Drilling diameter
Max. drill bit length
Max. drilling depth
Weight according to EPTA-
Procedure 01:2014
Values can vary depending upon the product and are subject to ap-
plication and environmental conditions. For further information
www.bosch-professional.com/wac.
Assembly
Fitting the Dust Extraction Attachment (see
figure A)
– Put the housing guide for the dust extraction attachment
(9) on the housing guide for the rotary hammer (11) and
slide the dust extraction attachment onto the rotary ham-
mer. The dust extraction attachment must audibly en-
gage.
– To disconnect the attachment, press and hold both re-
lease buttons (6) and pull the dust extraction attachment
off the rotary hammer.
Operation
Working advice
Never use the dust extraction attachment without a
u
filter. If the dust extraction attachment is used without a
1 609 92A 7EM | (21.02.2023)
filter, larger particles of drilling dust can be flung towards
the user and the power tool can be damaged.
Do not use damaged filters (e.g. no cracks, small
u
holes, etc.). Replace any damaged filters immedi-
ately.
Never carry the power tool by the dust extraction at-
u
tachment.
During operation, hold the power tool with fitted dust
u
extraction attachment not on the dust extraction at-
tachment, but always on the handle and auxiliary
handle of the power tool.
Note: The guide (2) is spring-loaded. The guide can spring
forward when the button (3) for drill bit length adjustment is
pressed.
Hold the power tool firmly with both hands and make
u
sure you have a stable footing. The power tool is more
securely guided with both hands.
LED worklight
The LED (4) lights up when the rotary hammer's on/off
switch is lightly or fully pressed, meaning that the work area
is illuminated in poor lighting conditions.
In order for the product to be used as intended in combina-
tion with GBH 18V-22, a > 3.0 Ah battery must be used. An
LED (4) flashes if a battery with a lower capacity is used.
GDE 18V-12
Inserting/removing the drill bit (see figure B)
1 600 A02 8..
– Press the button (3) for drilling depth adjustment and pull
mm 4–12
the guide (2) all the way out.
mm 165
– Release the button (3) again.
mm 100
– Slide the tip of the drill bit through the dust cap (8) from
behind and then fit the bit into the drill chuck according to
kg 1.1
the instructions of your power tool.
– Before removing the drill bit, press the button (3) again
and pull the guide (2) all the way out.
Adjusting the Guide Length (see figure C)
– Insert the required drill bit into the tool holder of the drill
chuck.
– Press the button (3) while adjusting the guide (2) to
match the drill bit length.
– Release the button (3) again.
Note: To store the dust extraction attachment, press the
button (3) and pull the guide (2) all the way out. This re-
lieves the strain on the guide's spring, which increases the
service life of the spring.
To ensure dust is extracted cleanly and the
depth stop is set correctly, the guide (2) must
be adjusted so that the tip of the drill bit is flush
at the front with the dust cap (8).
Bosch Power Tools