Bosch PSB 850-2 RE Original Instructions Manual page 22

22 | English
Assembly
Before any work on the machine itself, pull
the mains plug.
Dust extraction
(PSB 850-2 RA/PSB 1000-2 RCA)
(see figures A F)
–
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
connection with wood-treatment additives
(chromate, wood preservative). Materials
containing asbestos may only be worked by
specialists.
– Use dust extraction whenever possible.
– 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.
Use the dust/chip extraction only when
working concrete, brick and brickwork.
Wood or plastic chips can easily lead to clog-
ging.
WARNING Fire hazard! Do not work metal-
lic materials with the extraction device
mounted. Hot metal chips can ignite parts of
the extraction device.
2 609 003 378 | (4.6.09)
To achieve optimum extraction results, please
observe the following notes:
– Pay attention that the extraction device faces
flush against the workpiece or the wall. This
also makes drilling at a right angle easier.
– When using the extraction device, always
work with the maximum speed.
– After reaching the desired drilling depth, pull
the drill bit out of the drill hole first and then
switch off the impact drill.
– Use the extraction device only with the filter
element 18 mounted, as otherwise
dust/chips could access the interior of the
power tool and cause damage.
– Check the condition of the filter element 18
regularly. Replace a damaged filter element
immediately.
– The dust protection ring 20 can wear, espe-
cially when working with large drill-bit diam-
eters. Replace the dust protection ring when
worn/damaged.
Mounting the Extraction Device (see figure A)
Guide the extraction device 14 from the front to-
ward the bottom side of the impact drill. Pay at-
tention that the extraction device 14 faces flush
against the casing and that it is locked.
Cleaning the Extraction Device
(see figures B–D)
The dust collector 15 is sufficient for approx.
20 drillings with a drilling diameter of 10 mm.
When the extraction force diminishes the dust
collector 15 must be emptied. For this, press on
the riffled surface of the release button 17 and
take off the dust collector 15.
Empty and clean the dust collector 15. Clean the
filter element 18 by gently striking or tapping
against it.
Check the filter element 18 for damage and re-
place it as required.
Press on the holder of the filter element 18 and
pull it out. Replace the filter element 18 includ-
ing the holder. When placing on the holder
again, make sure that the rubber gasket 19 is in-
serted.
Reattach the dust collector 15 again and lock it
by pressing against the smooth surface of the
release button 17.
Bosch Power Tools