Metabo SBE 521 Operating Instructions Manual page 12

17026861_0108 SBE_521.book Seite 12 Dienstag, 29. Januar 2008 11:05 11
ENGLISH
ENG
7.3 Speed Preselection
(SBE 561, SBE 550, SBE 521, BE 561)
Select the (10) maximum speed using the prese-
lection 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:
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 anticlock-
wise operation (e.g. when screwdriving).
7.6 Tool Change With
Futuro Plus Keyless Chuck (3)
Machines with the designation SB...:
See illustrations on page 3.
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.
12
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) vigour-
ously in the direction of "AUF, RELEASE".
Machines with the designation B...:
See illustrations on page 3.
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) vigour-
ously in the direction of "AUF, RELEASE".
7.7 Tool Change With
Geared Chuck (2)
See illustrations on page 3.
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
Futuro Plus keyless chuck
Unscrew the safety screw - if available. Caution:
left-handed thread!
Hold the drill spindle securely using an open-end
wrench. Clamp an Allen key in the chuck and strike
lightly with a rubber hammer to loosen, then
unscrew.