Dust/Chip Extraction; Starting Operation - Berner BACD-1 BL 12V Notice Originale

To estimate vibration and noise emissions accur-
ately, the times when the tool is switched off or
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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Remove the battery from the power tool be-
u
fore carrying out work on the power tool (e.g.
maintenance, changing tool, etc.). The bat-
tery should also be removed for transport and
storage. There is risk of injury from unintention-
ally pressing the on/off switch.
Removing the battery (see figure A)
Use only the chargers listed in the technical
u
data. Only these chargers are matched to the
lithium-ion battery of your power tool.
Note: The battery is supplied partially charged. To
ensure full battery capacity, fully charge the bat-
tery in the charger before using your power tool
for the first time.
The lithium-ion battery can be charged at any time
without reducing its service life. Interrupting the
charging process does not damage the battery.
The lithium-ion battery is protected against deep
discharge by the "Electronic Cell Protection
(ECP)". When the battery is discharged, the power
tool is switched off by means of a protective cir-
cuit: The application tool no longer rotates.
Do not continue to press the On/Off switch
u
after the power tool has automatically
switched off. The battery can be damaged.
To remove the battery (5), press both release but-
tons (4) and pull the battery downwards out of the
power tool. Do not use force to do this.
Follow the instructions on correct disposal.
Changing the tool (see figure B)
The drill spindle is locked when the on/off switch
(7) is not pressed. This makes it possible to
change the application tool in the drill chuck
quickly, conveniently and easily.
Open the keyless chuck (1) by turning it in the dir-
ection of rotation ➊ until the tool can be inserted.
Insert the tool.
Firmly tighten the sleeve of the keyless chuck (1)
by turning it by hand in the direction of rotation ➋
1 609 92A 5H3 • 21.11.19
until it audibly clicks into place. This will automat-
ically lock the drill chuck.
The lock will disengage again if you turn the
sleeve in the opposite direction to remove the
tool.

Dust/Chip Extraction

Dust from materials such as lead-containing coat-
ings, some wood types, minerals and metal can
be harmful to one's health. Touching or breathing-
in the dust can cause allergic reactions and/or
lead to respiratory infections of the user or
bystanders.
Certain dust, such as oak or beech dust, is con-
sidered carcinogenic, especially in connection
with wood-treatment additives (chromate, wood
preservative). Materials containing asbestos may
only be worked by specialists.
– Provide for good ventilation of the working
place.
– It is recommended to wear a P2 filter-class res-
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pirator.
Observe the relevant regulations in your country
for the materials to be worked.
Avoid dust accumulation at the workplace.
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Dust can easily ignite.
Operation

Starting Operation

Inserting the battery
Note: The use of batteries unsuitable for your
power tool can lead to malfunctions or damage to
the power tool.
Set the rotational direction switch (6) to the
middle position to avoid unintentionally switching
it on. Insert the charged battery (5) into the
handle until you feel it engage and it is flush with
the handle.
Setting the rotational direction (see figure C)
The rotational direction switch (6) is used to
change the rotational direction of the power tool.
However, this is not possible while the on/off
switch (7) is being pressed.
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Right rotation: To drill and to drive in screws,
press the rotational direction switch (6) through to
the left stop.
Left Rotation: To loosen and unscrew screws and
nuts, press the rotational direction switch (6)
through to the right stop.
Preselecting the Torque
The torque presetting ring (2) can be used to
preselect the required torque in 20 stages. When
the correct setting is used, the application tool will
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