GB
- 18 -
6. Operation
Important.
To prevent all danger, the machine must only
be held using the two handles (5 / 6).
Other-
wise there may be a risk of su
ff
ering an electric
shock if you drill into cables.
6.1 ON/OFF switch (Fig. 6)
•
First fit a suitable tool in the equipment (see
5.2).
•
Connect the power plug to a suitable socket.
•
Position the demolition hammer directly at the
position where you want to chisel.
To switch on:
Press the ON switch (4a).
To switch o
ff
:
Press the OFF switch (4b).
Warning:
At low temperatures below 0° C or
when the equipment has not been used for a long
time, there may be only little hammering e
ff
ect or
no hammering e
ff
ect at all because the grease
has not reached the necessary temperature. In
this case let the equipment run in idle for approx.
90 seconds so that it can warm up. This will im-
prove the equipment‘s lubrication and extend its
working life.
6.2 Selecting between chiseling/change chi-
sel position (Fig. 7)
Select between the individual functions only when
the equipment is at a standstill. If you fail to obser-
ve this point, the equipment may be damaged.
Chiseling
Turn the selector switch (3) until the mark on the
equipment points to position A (Chisel).
Changing the chisel position
•
Insert the tool into the mount as described in
section 5.2 „Inserting the tool“.
•
Turn the selector switch (3) into the position
„Change chisel position“ (B).
•
Turn the tool by hand into the required positi-
on.
•
Return the selector switch (3) into the position
„Chisel“(A), then turn the tool by hand slightly
to the left and right until it latches home.
Warning:
During chiseling work, the operating
mode selector switch (3) must always be in the
position „Hammer“.
6.3 Power adjustment (Fig. 8)
A suitable speed, blow rate and impact energy
are selected by turning the power controller (8).
The constant electronics keeps the speed, blow
rate and impact energy constant regardless of
the load, thus ensuring smooth performance. The
following values are recommended.
Adjusting wheel A-B
Plaster / lightweight materials
Adjusting wheel C-D
Bricks / removing tiles
Adjusting wheel E-G
Chiseling in concrete
The speed, blow rate and impact energy are in-
creased by turning the power controller (8) from A
to F. While this is happening, the power indicator
(10) will blink green. The highest power is set by
turning the power controller (8) into position G.
This setting is characterized by a higher impact
energy of up to 9 J. The power indicator (10) is
then lit green continuously.
6.4 Brush wear / overload indicator
•
If the brush wear / overload indicator (10)
begins to flicker and the electric tool conti-
nues to work normally, you must change the
brushes. The brushes will be totally worn after
approx. 8 hours more work. The electric tool
will then turn off automatically and the indica-
tor will continue to flicker with a red light. For
information about changing the brushes, refer
to section 8.2 „Carbon brushes“.
•
If the electric tool fails to work before the
8-hour warning period is over and the red
brush wear / overload indicator (10) flickers,
this means that the electric motor is probably
damaged.
7. Replacing the power cable
If the power cable for this equipment is damaged,
it must be replaced by the manufacturer or its
after-sales service or similarly trained personnel
to avoid danger.
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