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OBJ_BUCH-888-001.book Page 32 Thursday, February 19, 2009 12:55 PM
Auxiliary Handle (see figure B)
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.
Operate your machine only with the auxiliary
handle 7.
The auxiliary handle 7 can be set to any position for a
secure and low-fatigue working posture.
Turn the bottom part of the auxiliary handle 7 in coun-
terclockwise direction and swivel the auxiliary handle
7 to the desired position. Then retighten the bottom
part of the auxiliary handle 7 by turning in clockwise
direction.
The clamping band 14 of the auxiliary handle must be
seated in the corresponding groove.
Changing the Tool (see figure C)
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 6
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
until the locking action ("click")
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.
Replacing the Drill Chuck
Before any work on the machine (e. g., mainte-
nance, tool change, etc.) as well as during
transport and storage, set the rotational direc-
tion switch to the centre position. Unintentional
actuation of the On/Off switch can lead to injuries.
Removing the Securing Screw (see figure D)
The keyless chuck 1 is secured with a securing screw
16 against unintentional loosening from the drill spin-
dle. Completely open the keyless chuck 1 and
unscrew the securing screw 16 in rotation direction
. Please note that the securing screw has a
left-hand thread.
32 | English
Removing the Drill Chuck (see figure E)
Clamp the short end of an Allen key 17 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 17 in rotation
direction
. Loosen a tight-seated keyless chuck by
giving the long end of the Allen key 17 a light blow.
Remove the Allen key from the keyless chuck and
completely unscrew the keyless chuck.
Mounting the Drill Chuck (see figure F)
The keyless chuck is mounted in reverse order.
Note: After mounting the keyless chuck, screw the
securing screw 16 in again.
The drill chuck must be tightened with a
tightening torque of approx. 10–25 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 lithium ion batteries
with the voltage listed on the nameplate of
your power tool. Using other batteries can lead
to injuries and pose a fire hazard.
Set the rotational direction switch 5 to the centre posi-
tion to protect the power tool against accidental start-
ing.
Insert the charged battery 8 from the front into the
base of the power tool. Push the battery completely
into the base until the red stripe can no longer be seen
and the battery is securely locked.
2 609 932 668 • 19.2.09
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