Selecting A Gear; Preselect Speed; Tips And Tricks - Metabo BE 751 Instrucciones De Manejo

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The drill chuck must be firmly screwed onto
the spindle and the safety screw inside the
drill chuck (if applicable / model-specific) must be
firmly tightened with a screwdriver. (Caution, left-
handed thread !) If rotated counterclockwise (e.g.
when screwing) it could otherwise become loose.
7.2

Selecting a gear

Select the desired gear by turning the
thumbwheel (1).
Change speed only when the machine
is in the process of running down
(briefly switch it on and off).
1st gear (low speed, high torque)
e.g. for screwdriving, drilling
2nd gear (high speed) e.g. for drilling
7.3

Preselect speed

(except BE 751)
Use the setting wheel (5) to preselect the
maximum speed. See page 4 for recommended
drilling speeds.
7.4
Switching on/off, changing speed
Switching on, speed: press the trigger (9).
The speed can be changed by pressing in the
trigger.
The electronic soft start means that the
machine accelerates continuously until the
preselected speed is reached (depends on
equipment).
Release the trigger to switch off.
Continuous activation: While pressing on the
trigger (9), press in the locking button (8) and
then release the trigger. To switch off, press
and release the trigger (9) 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 concen-
trate.
7.5
Tool change with Plus (4) chuck
See illustrations A on page 3.
Opening the drill chuck:
Grip the retaining ring and, using the other hand,
rotate the sleeve in the direction of the arrow -1-.
8
The grating sound (depending on function) which
may be heard after opening the drill chuck is
stopped by turning the sleeve in the opposite
direction.
If the chuck is very tightly secured, disconnect
from mains. Hold the chuck using an open-end
spanner at the flats on its head, and turn the sleeve
vigourously in the direction of the arrow -1-.
Clamping the tool
- Insert the tool -2- as far as it will go.
- Grip the retaining ring and, using the other hand,
rotate the sleeve in the direction of the arrow -3-
until the mechanical resistance which can be felt
is overcome.
- Caution! The tool is not yet fully clamped!
Keep turning the sleeve (it must "click" when
turning) until it cannot be turned any further -
only now is the tool securely clamped.
In the case of a soft tool shank, retightening may
be required after a short period of drilling.
7.6
Tool change with a geared chuck (3)
See illustrations B on page 3.
Opening the chuck: Opening a geared chuck with
the chuck key -1-.
Clamping the tool: Insert tool -2- as far as it will
go and tighten equally in all 3 bores using the
chuck key -3-.
7.7
Unscrewing the chuck
Futuro Plus keyless chuck (4)
(see illustrations X on second to last page)
Undo the locking screw. Caution! Left-handed
thread!
Grip the drill spindle using an open-end spanner.
Insert an Allen key into the chuck, tap on it with a
rubber hammer to loosen the chuck, and then
unscrew.
Geared chuck (3)
(see illustrations Y on second to last page)
Undo the locking screw. Caution! Left-handed
thread!
Grip the drill spindle using an open-end spanner.
Insert the chuck key into the chuck, tap on it with
a rubber hammer to loosen the chuck, and then
unscrew.

8 Tips and Tricks

The drill chuck can be removed for screwdriving.
Insert screwdriver bit directly into the spindle's
hexagon socket. If a bit clamping bush (order no.

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Be 1100

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