Mma Operation - Impax IM-MULT160-K Instruction Manual

MMA OPERATION

Ensure the standard/spool gun switch is set to
standard, Fig.24.
Fig 24
Set the amperage and voltage (see Table 1) by
adjusting the knobs (Fig.25) until the desired
setting is reached.
Fig 25
Amperage
The chart below is an indicator of the electrode
diameter and the corresponding welding
current. This is intended as a guide only as
results can vary depending on material, work
piece thickness, welding position and joint form.
Table 1
Electrode Welding
size (mm) voltage (V)
1.0 20.8 - 22.4
1.6 21.7 - 23.3
2.0 22.4 - 24.0
2.5 23.2 - 24.8
3.2 23.3 - 24.9
4.0 24.6 - 27.2
Voltage
Welding
current (A)
20 - 60
44 - 84
60 - 100
80 - 120
108 - 148
140 - 180
35
WARNING! Always wear a full welding mask,
welding gloves and protective clothing. Wear
goggles while chipping slag.
Note: If the machine stops at any time and the
overheat indicator on the front panel
illuminates, the thermal cutout has intervened.
This indicator will turn on when the machine is
overheated and the output has been disabled.
This normally occurs when the duty cycle of the
machine has been exceeded. Leave the machine
on to allow the internal components to cool.
When the indicator turns off, normal operation is
again possible.
Holding a face mask in front of your face stroke
the electrode point on the workpiece as if
striking a match. Maintain a steady gap between
the end of the electrode and the workpiece of
approximately 2mm (Fig.26).
Fig 26
Maintain this distance as constantly as possible
during the weld remember that the angle of the
electrode to the work piece must be 20-30°
(Fig.27).
Fig 27
2mm
20º-30º