Metabo BH 20 Manual Original página 13

7.1 Side handle installation
For safety reasons, always use the side
handle supplied.
Open the clamping ring by turning the side handle
(17) counter-clockwise. Place the side handle onto
the machine's collar. Insert the depth stop (7).
Tighten the side handle in the required angle
depending on the task at hand.
8 Use
8.1 Depth Stop Setting
Loosen the side handle (17). Set depth stop (7) to
the desired drilling depth and retighten the side
handle.
8.2 Switching on/off
To start the machine, press the trigger (14).
The speed can be changed at the trigger
(not BH 20).
This machine has an electronic soft start
(not BH 20).
For continuous operation the trigger can be locked
with the lock button (13). To stop the machine,
press the trigger again.
If switched on continuously, the machine
continues running if it is jerked out of your
hands. Therefore, always hold the
machine with both hands on the handles, stand
safely, and concentrate on your work.
8.3 Speed preselection (KHE 24 Contact)
Depending on the application, the optimum speed
is preset with the pre-selector wheel (8).
8.4 Operating mode selection (not BH 20)
Select the desired operating mode by turning the
control knob (16). To turn, push the stop (15).
twist drilling
hammer drilling
(only with use of hammer drill chuck)
chiselling
(KHE 24, KHE 28, KHE 24 Contact)
(only with use of hammer drill chuck)
In chisel mode the chisel is locked to be twist-
proof. To position the chisel for the particular
application, set the control knob (16) between
and .
When a chisel is fitted, only operate the
machine in the chiselling operating mode.
.
Avoid levering movements of the machine
when a chisel is fitted.
8.5 Selection of direction of rotation
(not BH 20, BHE 20)
Do not actuate the rotation selector
switch (12) unless the motor has
completely stopped.
Select direction of rotation:
R = clockwise
L = counter-clockwise
8.6 Drill chuck change (not BH20, BHE 20)
When changing chucks make sure that
the spindle is clean. Grease spindle lightly
if required.
Removing the chuck:
Turn chuck lock (5) in direction indicated by arrow
against the stop (a) and pull it off the spindle (b).
Replacing the chuck:
Place chuck onto spindle (6) (a). Turn chuck lock
(5) in direction indicated by arrow (b) until chuck
slides fully onto the spindle, then release the chuck
lock.
Check to see that the chuck is properly seated.
Note: To keep the spindle from turning while
changing chucks, set the control knob (16) to
chiselling.
ENGLISH
ENG
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