value based on the program selected. The operator may
correct the set value: adjusting the potentiometer
t will produce warmer, less penetrating welds,
while vice-versa adjusting towards - will produce colder
and more penetrating welds
When welding with a synergic program, adj or -
from the central 0 may require corrections to the working
voltage using the potentiometer I.
The variation is shown on the display G, which shows the
previous setting 2 seconds after the last correction.
Q - 2-digit display.
This display shows:
• the number of the selected program.
• for 2 seconds, the value of the thickness when knob B
is adjusted in pulsed synergic programs.
• within the service functions, the numerical value of the
figure shown on the display G or the messages "On, OF,
Au, A, SP, 0, 1, 2, 4". Read chapter 5 for further clarifica-
tion.
• in the memory menu, indicates the program number to
which the memory save or recall refers. Read chapter 6
for further clarification.
R - Key.
Pressing and releasing this key reduces the numerical
value of the display Q.
When pressed together with key O, it allows the user to
select the service and memory functions. (See chapters
on the functions listed)
S - 10-pin connector.
This connector must be connected to the 10-pin male of
the Pull 2003 torch.
AA - Central adapter.
This is where only one welding torch can be connected.
AB – Selector switch.
Central adapter E, is operated by selecting position
(
) with the selector switch knob, on the contrary, by
selecting position (
) central adapter AA is operated.
AC - CONNECTOR TYPE DB9 (RS 232).
To be used for updating the microprocessor programs.
3.3 CONTROLS ON THE REAR PANEL
T - Gas hose fitting.
U-Switch.
Turns the machine on and off.
X- Fuse holder.
Y- Power cord socket.
Z- Pressure switch socket.
4 WELDING
4.1 START-UP
This welding machine has been designed to contem-
porarily mount 2 welding torches and 2 coils of wire hav-
ing a diameter of 300mm, this machine cannot weld with
the 2 torches at the same time, the torch selection is
made by means of selector switch AB.
Make sure that the wire diameter corresponds to the
diameter indicated on the wire feeder roller, and that the
selected program is compatible with the material and
type of gas. Use wire feeder rollers with a "U"-shaped
groove for aluminum wires, and with a "V"-shaped groove
for other wires.
4.1.1 Connecting the gas hose
The gas cylinder must be equipped with a pressure regu-
lator and flow gauge.
If the cylinder is placed on the cylinder shelf of the trolley,
it must be fastened using the strap provided.
Connect the gas hose leaving the rear of the machine to
the pressure regulator, only after positioning the cylinder.
2 gas hoses leave the rear panel, one is used in combi-
nation with central adapter E and the other one with cen-
tral adapter AA. In order to select the right combination
read the plate at its side.
The gas flow must be adjusted to approximately 8-10
liters per minute.
4.2 THE MACHINE IS READY TO WELD
When using the Pull-2003 type torch, follow the instruc-
tions enclosed with the torch.
• Connect the earth clamp to the workpiece.
• Set the switch U to 1.
• Choose the program to be used from the list provided
T
T
Z
X
Y
U
Fig. 2
12
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