Instruction manual

UNI FLAME AUTOLIFT
4.3 GAS PRESSURE
Gas pressure should normally be set to give a reading between 8 / 15 litres per minute. With experience, every operator will
find what suits him the most with his type of work and can make the necessary adjustment.
4.4 GAS-NO GAS WELDING
When you gas with wire, gas is needed for the protection of the melt dip. Usually, the gas to be used is a mix of Argon and CO2,
pure Argon or pure CO2. The argon one is employed for the welding of aluminium while other are used for the welding of ferrous
material.
In case of use with gas, the clip of the torch has to be placed in the positive outlet “+”, while the earth clamp has to be placed in
the negative outlet “-“, like in pic. O.
The use of gas can be avoided if you use flux cored wire. This kind of wire emits gas which creates a protective environment
for the welding. In case you want to weld with flux cored wire, place the torch clip in the negative outlet “-“, and the earth clamp
in the positive outlet “+”, like in pic.P
4.5 DOUBLE INDUCTANCE (Unimig 240)
If you need a lowest inductance to use the machine for a bigger power, put the dinse connector in the
exit
4.6 MIG-MAG WELDING
A) MIG = Metal Inert Gas
B) MAG = Metal Active Gas
The two processes are exactly the same, only gas used changes.
In case A ARGON is the gas employed ( inert gas)
In case B CO
2
is the gas employed ( active gas)
To weld alluminium alloys you need use ARGON (100%), to weld steel it is enough a compound of ARGON 80% and CO2
20%.
You can only use pure CO2 in case you want to weld iron.
1) Wire speed: It is possible to regulate the wire speed using the knobs of the encoder
2) Pregas: It is possible to regulate the gas open time using the knob of the encoder before
the arc prime
3) Ramp up: It is possible to regulate the wire increasing gradually using the knobs of the
encoder in order to have the one selected at point 4.2.1
4) Burn back: it is possible to regulate, using the knob of the encoder, the wire length came
out at the end of welding process.
5) Time on: it is possible to regulate, using the knob of the encoder, the welding time for the
welding type 4.1.C and 4.1.D. (Only Mod.B) Regulating it on 0 (zero) value, the welding
is set on manual (4.1.A)
6) Pause time: it is possible to regulate, using the knob of the encoder, the pause time for
the welding type 4.1.C
7) Thermal overload: show the thermal overload goes on, it is necessary to wait for
machine cooling. The sign disappear after a few seconds. The thermal overload restoring
is shown when the led 1 switch off.