DAILY CHECKING
1. If distorted or damaged
Can cause porosity.
（use anti splatter spray）
1. Hole in tip oval worn out.
Replace - unstable and broken arc
2. Hole blocked or wire welded on to tip
Replace - reason worn tip,
amperage too high, rusted or dirty
wire.
1. Check the liner is the correct length.
Replace if too short will cause the
arc to be unstable.
2. Correct diameter wire and the liner inner diameter
are correct
Reason of unstable arc, please use
the correct liner.
3. Partial unwinding and stretching
Reason of poor wire feeding and
unstable arc, please change.
4. Blocked caused by rust and dust in the tube, and
the fillings of the wire copper coating.
Reason of poor wire feeding and
unstable arc (use kerosene to wash
or replace)
1. Threads damaged or distorted
Replace – can damage contact tip
and cause unstable and broken arc
1. Condition of switches and potentiometers.
2. Volt and Amp display.
3. Warning lights
1. Check if there is air flow.
If abnormal noise and no wind, to
check the inside of the machine.
2. Abnormal vibration or noise.
1. Check gas pipe not leaking or kinked.
2. Check housing and other fixed parts are tight and
not damaged.
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