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Assembly
Battery Charging
A battery that is new or has not been used for a longer
period does not develop its full capacity until after
approx. 5 charging/discharging cycles.
To remove the battery 6 press the unlocking buttons
5 and pull out the battery downwards. Do not exert
any force.
The battery is equipped with a NTC temperature con-
trol which allows charging only within a temperature
range of between 0 °C and 45 °C. A long battery serv-
ice life is achieved in this manner.
A significantly reduced working period after charging
indicates that the battery is used and must be
replaced.
Observe the notes for disposal.
Changing the Tool (see figure A)
Before any work on the machine (e. g., main-
tenance, tool change, etc.) as well as during
transport and storage, set the rotational
direction switch to the centre position. Unin-
tentional actuation of the On/Off switch can lead
to injuries.
The drill spindle is locked when the On/Off switch 8
is not pressed. This makes quick, convenient and easy
changing of the tool in the drill chuck possible.
Open the keyless chuck 1 by turning in rotation direc-
tion
, until the tool can be inserted. Insert the tool.
Firmly tighten the collar of the keyless chuck 1 by hand
in rotation direction
is no longer heard. This automatically locks the chuck.
The locking is released again to remove the tool when
the collar is turned in the opposite direction.
Screwdriver Tools
When working with screwdriver bits 4, a universal bit
holder 9 should always be used. Use only screwdriver
bits that fit the screw head.
Replacing the Drill Chuck
(see figures B–D)
Before any work on the machine (e. g., main-
tenance, tool change, etc.) as well as during
transport and storage, set the rotational
direction switch to the centre position. Unin-
tentional actuation of the On/Off switch can lead
to injuries.
1 609 929 S52 • 16.1.09
until the locking action ("click")
The keyless chuck 1 is secured with a securing screw
10 against unintentional loosening from the drill spin-
dle. Completely open the keyless chuck 1 and
unscrew the securing screw 10 in rotation direction
. Please note that the securing screw has a
left-hand thread.
Removing the Drill Chuck (see figure C)
Clamp the short end of an Allen key 11 into the key-
less chuck 1.
Place the machine on a stable surface (e. g. a work-
bench). Hold the machine firmly and loosen the key-
less chuck 1 by turning the Allen key 11 in rotation
direction
. Loosen a tight-seated keyless chuck by
giving the long end of the Allen key 11 a light blow.
Remove the Allen key from the keyless chuck and
completely unscrew the keyless chuck.
Mounting the Drill Chuck (see figure D)
The keyless chuck is mounted in reverse order.
Note: After mounting the keyless chuck, screw the
securing screw 10 in again.
The drill chuck must be tightened with a
tightening torque of approx. 20–25 Nm.
Dust/Chip Extraction
Dusts 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 dusts can cause allergic reactions and/or lead
to respiratory infections of the user or bystanders.
Certain dusts, such as oak or beech dust, are con-
sidered as 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-
pirator.
Observe the relevant regulations in your country
for the materials to be worked.
Operation
Starting Operation
Inserting the Battery
Use only original BTI batteries with the volt-
age listed on the nameplate of your power
tool. Using other batteries can lead to injuries and
pose a fire hazard.
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