Changing The Sanding Sheet (See Figure A); Selection Of The Sanding Plate; Dust/Chip Extraction - Berner BROS-125 AVE Manual Original

when it is running but not actually being used
should also be taken into account. This may signi-
ficantly reduce vibration and noise emissions over
the total working period.
Implement additional safety measures to protect
the operator from the effects of vibration, such as
servicing the power tool and application tools,
keeping their hands warm, and organising work-
flows correctly.
Assembly
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Pull the plug out of the socket before carry-
u
ing out any work on the power tool.
Changing the sanding sheet (see
figure A)
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To remove the sanding sheet (10), lift it from the
side and pull it from the sanding pad (8).
Remove dirt and dust from the sanding pad (8),
e.g. with a paintbrush, before attaching a new
sanding sheet.
The surface of the sanding pad (8) 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 (10) firmly onto the un-
derside of the sanding pad (8).
To ensure optimum dust extraction, make sure
that the punched holes in the sanding sheet (10)
are aligned with the drilled holes in the sanding
pad (8).

Selection of the Sanding Plate

The power tool can be fitted with sanding pads of
various hardnesses, depending on the applica-
tion:
– Soft sanding pad: Suitable for polishing and
sensitive sanding even on curved surfaces
– Medium hard sanding pad: Suitable for all
sanding work, universal application
– Hard sanding pad: Suitable for heavy sanding
on flat surfaces
Changing the sanding pad (see figure
B)
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Note: Replace damaged sanding pads (8) imme-
diately.
Remove the sanding sheet or polishing tool. Un-
screw the screw completely (11) and remove the
sanding pad (8). Attach the new sanding pad (8)
and retighten the screw.
Note: When attaching the sanding pad, make
sure that the teeth of the catch mate with the re-
cesses in the sanding pad.
1 609 92A 4DE • 14.1.19
Note: Damaged sanding pads must only be re-
placed by an after-sales service centre authorised
to work with Berner power tools.

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 reactions 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 conjunc-
tion with wood treatment additives (chromate,
wood preservative). Materials containing asbestos
may only be machined by specialists.
– Use a dust extraction system that is suitable for
the material 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.
u
Dust can easily ignite.
Self-generated dust extraction with dust box
(see figures C–G)
Slide the dust box (7) onto the extraction outlet
(12). Turn the dust box in such a manner that its
recesses face against the tips on the extraction
outlet and the dust box can be felt to engage.
You can easily check the filling level of the dust
box (7) through the transparent container.
To empty the dust box (7), rotate slightly and pull
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it back.
Unscrew the filter element (6) and pull it out of the
dust box (7). Empty the dust box.
Gently tap the filter element (6) against a solid
surface to loosen the dust. Use a soft brush to
clean the flaps of the filter element (6).
Note: In order to ensure optimum dust extraction,
empty the dust box (7) in good time and clean the
filter element (6) regularly.
When working on vertical surfaces, hold the
power tool with the dust box (7) facing down-
wards.
External dust extraction (see figure H)
Fit a dust extraction hose (13) onto the extraction
outlet (12). Mount the vacuum hose onto the ex-
traction outlet (as shown in the figure) in such a
manner that the lateral openings on the extraction
outlet remain free. This prevents the power tool
from adhering to the workpiece during sanding
and the surface quality of the workpiece from be-
ing impaired.
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