Metabo SBE 550 Original Instructions Manual page 10

en ENGLISH
SBE 561, SBE 550, SBE 521, BE 561:
Make sure the chuck clamps securely:
After drilling for the first time (clockwise), firmly
tighten the safety screw inside the chuck using 
a screwdriver. Caution: left-handed thread! 
(see Section 7.8)
6.1 Attaching the Additional Handle
(SBE 561, SBE 550, SBE 521, SB 561)
For safety reasons, always use the 
additional handle supplied.
Open the clamping ring by turning the additional
handle (5) anticlockwise. Push the additional
handle onto the collar of the machine. Insert the
depth stop (4). Securely tighten the additional
handle at the angle required for the application.
7. Use
7.1 Adjusting the Depth Stop
(SBE 561, SBE 550, SBE 521, SB 561)
Loosen the additional handle (5). Set depth stop (4)
to the desired drilling depth and retighten additional
handle.
7.2 Switching On and Off
To start the machine, press the trigger switch (9).
SBE 561, SBE 550, SBE 521, BE 561: Press in the
trigger switch to change the speed.
For continuous operation the trigger switch can be
locked using the lock button (8). To stop the
machine, press the trigger switch again.
In continuous operation, the machine
continues running if it is forced out of your
hands. Therefore, always hold the machine
with both hands using the handles provided,
stand in a safe position and concentrate.
7.3 Speed Preselection
(SBE 561, SBE 550, SBE 521, BE 561)
Select the (10) maximum speed using the
preselection wheel. See page 4 for recommended
drilling speeds.
7.4 Switching Between Normal Drilling/
Impact Drilling
(SBE 561, SBE 550, SBE 521, SB 561)
Select the desired operating mode by pushing the
sliding switch (7).
Drilling
Impact drilling
Work with high speed settings when impact drilling.
Impact drilling and normal drilling only in
a clockwise direction.
7.5 Selecting the Direction of Rotation
(SBE 561, SBE 550, SBE 521, BE 561)
Do not activate the direction switch (6)
unless the motor has completely stopped.
Select direction of rotation:
10
R = Clockwise
L = Anticlockwise
Screw the chuck firmly to the spindle and
tighten the safety screw inside the chuck
using a screwdriver. (Caution: left-handed
thread!) 
Otherwise it may come loose during
anticlockwise operation (e.g. when
screwdriving).
7.6 Tool Change With 
Futuro Plus Keyless Chuck (3)
Machines with the designation SB...:
See illustrations on page 2.
Insert the tool. Hold the retaining ring (a) firmly and
turn the collet (b) towards "GRIP, ZU" with the other
hand until the mechanical resistance which can be
felt is overcome. 
Caution! The tool is not yet clamped! Keep
turning the sleeve (it must "click" when turning)
until it cannot be turned any further - only now is the
tool securely clamped.
With a soft tool shank, retightening may be required
after a short drilling period.
Open the chuck:
Hold the retaining ring (a) firmly and turn the collet
(b) towards "AUF, RELEASE" with the other hand.
Note: The grating sound which may be heard after
opening the drill chuck is functional and is stopped
by turning the sleeve in the opposite direction.
If the chuck is very securely tightened: Unplug.
Hold the drill chuck using an open-end spanner at
the flats on its head, and turn the sleeve (b)
vigourously in the direction of "AUF, RELEASE".
Machines with the designation B...:
See illustrations on page 2.
Insert the tool. Hold the retaining ring (a) firmly and
turn the collet (b) towards "GRIP, ZU" with the other
hand until it will not turn any further.
With a soft tool shank, retightening may be required
after a short drilling period.
Open the chuck:
Hold the retaining ring (a) firmly and turn the collet
(b) towards "AUF, RELEASE" with the other hand.
If the chuck is very securely tightened: Unplug.
Hold the drill chuck using an open-end spanner at
the flats on its head, and turn the sleeve (b)
vigourously in the direction of "AUF, RELEASE".
7.7 Tool Change With 
Geared Chuck (2)
See illustrations on page 2.
Clamping tools:
Insert the tool and clamp evenly in all 3 holes using
the chuck key (1).
Removing tools:
Open the geared chuck (2) using the chuck key (1)
and remove the tool.
7.8 Removing the Chuck
SBE 561, SBE 550, SBE 521, BE 561: The chuck
can be removed to insert a screwdriver bit. Insert
the bit directly in the hexagon socket on the spindle. 