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Bosch PEX 420 AE Instructions D'emploi page 9

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  • FRANÇAIS, page 12
Replacing the Sanding Sheet/
Sanding Plate
Before any work on the machine itself, pull the
I
mains plug.
Selecting the Sanding Sheet
Depending on the material to be worked and the de-
sired material removal, various sanding sheet qualities
are to be used:
For the working of all wooden materials.
For the working of paint/enamel coats or primers and
fillers.
For the working of extremely hard materials such as
stone, marble, granite, ceramic or glass.
For the working of polymer materials such as Corian
®
and Variocor
as well as the working of extremely hart
materials such as stone, marble and Fiberglas plastics.
Changing the Sanding Sheet
Lift the sanding sheet 9 at the edge and pull it off the
sanding plate 10. Clean the sanding plate 10, if required.
Press the new sanding sheet 9 against the bottom of
the sanding plate. To ensure optimum dust extraction,
the holes of the sanding sheet must match with those
of the sanding plate.
Selection of the Sanding Plate
Depending on the application, the machine can be
equipped with sanding plates of different hardness
(see Application Table):
Soft sanding plate (III): Suitable for polishing and
sensitive sanding (also for curved surfaces).
Middle sanding plate (II): Suitable for universal us-
age on flat surfaces.
Hard sanding plate (I): Suitable for high sanding
performance on flat surfaces.
Changing the Sanding Plate
To replace the sanding plate 10, pull off the sanding
sheet or polishing tool. With the Allen key 1, loosen
and remove the screw 8.
When placing on the sanding plate, take care
that the teeth of the drive piece engage in the re-
cesses of the sanding plate (see Fig.
Hold the sanding plate and firmly tighten the screw 8
with the Allen key 1.
Replace damaged sanding plates without delay.
2 609 932 214 • (03.02) T
Dust/Chip Vacuuming
Dust produced while working can be detrimental to
I
health, inflammable or explosive. Suitable protec-
tion measures are required.
Examples: Some dusts are considered to be carci-
nogenic. Use suitable dust/chip extraction and
wear a dust protection mask.
Light metal dust can burn or explode. Always keep
I
the work place clean since material mixtures are
especially dangerous.
®
Fitting the suction hood
Supplied suction hood 7 ensures optimum dust ex-
traction, particularly when large amounts of dust are
generated from grinding flat surfaces.
Put suction hood 7 over rubber backing pad 10 , en-
suring that the suction hood fits exactly into designat-
ed groove 6 .
Internal Vacuuming with Dust Box
(see Fig.
Attaching the dust box
Before mounting the dust box 3 , pull out the plastic
slide 14 . Place the dust box on the outlet piece 15 and
allow to latch. Take care that the plastic slide 14 en-
gages in the holder 13 .
Emptying the dust box
Press the latching lever 16 and pull off the dust box.
Before opening the dust box, it is recommended to
loosen the dust from the filter element by striking
against a hard surface.
Hold the dust box by the recessed grips, lift up the filter
element (micro-filtersystem) 17 upwards and empty
the dust box. Clean the vanes of the filter element with
).
C
a soft brush.
Note: To guarantee optimum dust extraction efficien-
cy, empty the dust container in good time and regular-
ly knock out the dust from the filter.
English–2
Caution, fire hazard!
For unfavourable conditions such as fly-
ing sparks when sanding metals, sanding
dust in the dust bag, micro filter or paper
sack (or in the filter sack or filter of the
wet/dry vacuum cleaner) can self-ignite,
especially when mixed with remainders
of varnish, polyurethane or other chemi-
cal materials and when the sanded work
piece is hot after long periods of working.
Avoid overheating the object being sand-
ed as well as the machine and always
empty the dust container before pauses
in the work.
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