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Changing the tool (see pages 5/6).
Do not switch the power tool on while the clamping
lever is open. Otherwise there is danger of crushes
or contusions to the hand and fingers.
Do not reach into the area of the clamping jaws.
Otherwise there is danger of crushes or contusions
to the fingers.
Handling the battery.
Store, charge and operate the battery only within a bat-
tery operating-temperature range between 5 °C – 45 °C
(41 °F – 113 °F). At the beginning of the charging proce-
dure, the battery temperature must be within the battery
operating-temperature range.
LED indicator Meaning
1 – 4 green
Percentage of
LED
charge condi-
tion
Continuous
Battery is
red light
almost empty
Red flashing
Battery is not
light
ready for
operation
The real percentage of the battery charge condition is
only indicated when the power tool motor is stopped.
The electronics automatically switch off the motor prior
to the battery being deep discharged.
Additional operating instructions.
Do not actuate the clamping lever while the power
tool is running. Otherwise there is danger of injury.
Do not operate the power tool with with open clamp-
ing jaws and without an application tool! This could
damage the power tool.
When the clamping jaws are open before the appli-
cation tool is inserted, pivot the clamping lever
toward the front and then back again. The clamping
jaws are closed now. The application tool can be
inserted.
Guide the power tool toward the work piece only
when switched on.
The application tool can be offset in 30° steps and fas-
tened in the most favourable working position.
The self-start prevention lock prevents the power tool
from automatically starting when the battery is inserted
while the on/off switch is set to on.
Notes on sanding.
Press the power tool with the sanding sheet briefly and
firmly against a flat surface and briefly switch the power
tool on. This provides for good adhesion and prevents
premature wear.
When only one tip or corner of the sanding sheet is worn,
it can be removed again and reattached turned by 120°.
Work with the entire surface of the sanding plate, not
only with the tip.
Activity
Operation
Charge battery
Bring the battery into
the battery operating-
temperature range, then
charge
When sanding with small triangle sanding plates, select a
high oscillating frequency (electronics level 4 – 6); when
sanding with the round sanding plate and the large trian-
gle sanding plate, select a moderate oscillating frequency
(max. electronics level 4).
Sand with continuous motion applying moderate pres-
sure. Applying excessive pressure does not increase the
rate of removal, it only wears off the sanding sheet faster.
Notes on sawing.
Select a high oscillating frequency. Round saw blades can
be released and clamped offset again, to allow for uni-
form wearing off.
Notes on scraping.
Select a moderate to high oscillating frequency.
Repair and customer service.
When working metal under extreme operat-
ing conditions, it is possible for conductive
dust to settle in the interior of the power tool.
Blow out the interior of the power tool via the ventila-
tion slots frequently with dry and oil-free compressed air.
When working gypsum-containing materials, dust can
settle within the power tool and switch element, which
can harden in connection with humidity. This can impair
the switching mechanism. Blow out the interior of the
power tool via the ventilation slots and the switch ele-
ment frequently with dry and oil-free compressed air.
For storage of the power tool, remove the application
tool and shut the clamping lever.
The current spare parts list of this power tool can be
found on the Internet under www.berner.eu.
If required, you can change the following parts yourself:
Application tools
Environmental protection, disposal.
Packaging, worn out power tools and accessories should
be sorted for environmental-friendly recycling.
Dispose of batteries only when discharged.
For batteries that are not completely discharged, insulate
the terminals with tape as a protective measure against
short-circuiting.
English - 17
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