16
1. Put the welding switch to
“ Down position”, at this time, “Pulse choosing switch”, “2T/4T switch”, “AC/DC
switch” are out of work, only welding current knob can use.
2. Set the welding current according to the work piece thickness.
Attached
：
Relative value for electrode and welding current
Electrode diameter
(mm)
Φ1.6
Φ2.0
Φ2.5
Φ3.2
Φ4.0
Φ5.0
Current
（
A
）
25~40
40~65
50~90
90~130
140~210 190~270
MAINTENANCE
1. Remove dust by dry and clean compressed air regularly, if welding machine is operated in
environment where is polluted with smokes and polluted air, the machine need remove dust every
month.
2. Pressure of compressed air must be inside the reasonable arrangement in order to prevent
damaging to small components of inner-machine.
3. Check inter circuit of welding machine regularly and make sure the cable .Circuit is connected
correctly and connectors are connected tightly (especially insert connector and components). If
scale and loose are found, please give a good polish to them, then connect them again tightly.
4. Avoid water and steam entering into inner-machine, if they enter into machine, please dry
inner-machine then check insulation of machine.
5. If welding machine will not be operated for long time, it must be put into packing box and stored in
dry environment.
MMA Welding Function Instruction
WARNING:
It is forbidden to pull out or put in the cable or connector during the process of
welding, which will threat life safety and damage the machine.
WARNING
：
Power must be turned off for all checking and maintenance, before opening the
housing, make sure the power plug is disconnected.
