19GB
with, and then reduce or increase the speed
as required.
The necessary welding current depends on
the welding wire diameter used, the material
thickness and the desired penetration depth.
Similarly, the gaps to be bridged between
the workpieces to be welded must be obser-
ved.
Overload protection
The welding device is protected against over-
heating by means of an automatic protection
device (thermostat with automatic restart).
The protective device interrupts the overload
of the current circuit and the yellow overload
protection control lamp
6
illuminates.
Allow the device to cool down (approx.
15 minutes) after activation of the protec-
tion device. As soon as the yellow over-
load protection control lamp
6
goes out,
the device is ready for operation again.
Welding mask
HEALTH HAZARD!
If you do not use the welding mask, harmful
UV radiation and heat emitted by the electric
arc could damage your eyes.
Always use the welding mask for welding
work.
z Welding
RISK OF BURNS!
Welded workpieces are very hot and can
cause burns.
Always use pliers to remove welded, hot
workpieces.
Please proceed as follows once
you have electrically connected the
welding device:
Connect the earth cable to the workpiece
that is to be welded using the earth termi-
nal
4
. Ensure that there is good electrical
contact.
The area to be welded on the workpiece
must be free of rust and paint.
Choose the desired welding current and
wire feed depending on the welding wire
diameter, material thickness and desired
penetration depth.
Switch the device on.
Hold the welding mask
23
in front of your
face and guide the torch nozzle
9
to the
position on the workpiece that is to be
welded.
Press the torch button
11
, in order to ge-
nerate an arc. Once the electric arc is bur-
ning, the device feeds wire into the weld
pool.
If the welding lens is big enough, the
torch
10
is slowly guided along the desi-
red edge. The distance between the torch
nozzle and workpiece should be as small
as possible (it must not be greater than 10
mm).
If necessary, oscillate a little to increase
the size of the weld pool. For inexperien-
ced welders, it is often difficult initially to
create a decent electric arc. To do so, the
welding current and wire feed rate must be
set correctly.
You can work out the ideal settings for the
welding current and the wire feed rate by
carrying out trial welds on a test piece. A
properly set electric arc has a mild, uniform
buzzing sound.
The penetration depth (corresponds to the
depth of the weld in the material) should
be as deep as possible without allowing
the welding pool to fall through the wor-
kpiece.
Reduce the wire feed rate in case of a
rough or hard rattle or switch to a higher
power level (increase welding current).
If the wire feed rate is too high and/or the
welding current too low, the welding wire
will not melt properly. Consequently, the
welding wire repeatedly dips in the wel-
ding pool as far as the workpiece.
A quiet, muffled sound with a flickering
electric arc indicates the wire feed is too
low.
Commissioning