Dust/Chip Extraction; Starting Operation - Bosch PEX 220 A Originalbetriebsanleitung

Use
Preparing – Light sanding
(intermediate
– Abrading surfaces for further
sanding)
processing later on
Fine sanding – Intermediate paint sanding
– Abrading flaws in the paintwork
Changing the Sanding Sheet
To remove the sanding sheet (4), lift it from the side and pull
it from the sanding pad (3).
Remove dirt and dust from the sanding pad (3), e.g. with a
paintbrush, before attaching a new sanding sheet.
The surface of the sanding pad (3) is fitted with a hook-and-
loop fastening, allowing sanding sheets with a hook-and-loop
backing to be secured quickly and easily.
Press the sanding sheet (4) firmly onto the underside of the
sanding pad (3).
To ensure optimum dust extraction, make sure that the
punched holes in the sanding sheet (4) are aligned with the
drilled holes in the sanding pad (3).
Changing the Sanding Pad (see figure B)
Note: Replace damaged sanding pads (3) immediately.
Pull off the sanding sheet. Unscrew the four screws com-
pletely (9) and remove the sanding pad (3). Attach the new
sanding pad (3) and retighten the screws.

Dust/Chip Extraction

The dust from materials such as lead paint, some types of
wood, minerals and metal can be harmful to human health.
Touching or breathing in this dust can trigger allergic reac-
tions and/or cause respiratory illnesses in the user or in
people in the near vicinity.
Certain dusts, such as oak or beech dust, are classified as
carcinogenic, especially in conjunction with wood treatment
additives (chromate, wood preservative). Materials contain-
ing asbestos may only be machined by specialists.
– Use a dust extraction system that is suitable for the ma-
terial wherever possible.
– Provide good ventilation at the workplace.
– It is advisable to wear a P2 filter class breathing mask.
The regulations on the material being machined that apply in
the country of use must be observed.
Avoid dust accumulation at the workplace. Dust can
u
easily ignite.
Self-generated Dust Extraction with Dust Box (see figure
A1–A4)
Place the dust box (2) onto the extraction outlet (6) until it
clicks into place.
Bosch Power Tools
Application
– Sanding uneven surfaces to make them
even
– Removing marks left by coarse sanding
– Repairing surfaces before applying paint or
varnish
– Removing fibres from the surface
– Fine sanding before staining
– Abrading primer before painting
To empty the dust box (2), press the locking lever (7) on the
side of the dust box (➊). Remove the dust box by pulling it
downwards (➋).
Before opening the dust box (2), knock the dust box against
a firm surface as shown in the figure to loosen the dust from
the filter element.
Take hold of the dust box (2) by the recessed grip, fold the
filter element (8) upwards out of the way and empty the dust
box. Use a soft brush to clean the flaps of the filter element
(8).
Note: In order to ensure optimum dust extraction, empty the
dust box (2) in good time and clean the filter element (8)
regularly.
When working on vertical surfaces, hold the power tool with
the dust box (2) facing downwards.
External Dust Extraction (see figure C)
Attach the dust extraction adapter (10) to the extraction
outlet (6). Make sure that the locking levers of the dust ex-
traction adapter lock into place. A dust extraction hose with
a diameter of 19 mm can be connected to the dust extrac-
tion adapter (10).
The dust extractor must be suitable for the material being
worked.
When extracting dry dust that is especially detrimental to
health or carcinogenic, use a special dust extractor.
In Germany, wood dust extraction requires extraction
devices which have been tested on the basis of TRGS 553;
self-generated dust extraction must not be used in the com-
mercial sector. Commercial operators must clarify the spe-
cific requirements for other materials with the responsible
trade association.
When working on vertical surfaces, hold the power tool with
the dust extraction hose facing downwards.
To remove the dust extraction adapter (10), press its lock-
ing levers down simultaneously and take off the dust extrac-
tion adapter.
Operation

Starting Operation

Pay attention to the mains voltage. The voltage of the
u
power source must match the voltage specified on the
rating plate of the power tool. Power tools marked
with 230 V can also be operated with 220 V.
English | 13
Grit
Medium 80
Fine 120
Very fine 180
Extra fine 240
1 609 92A 84C | (08.07.2022)