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MIG-160PI/MIG-180PI/MIG-200PI/MIG-250PI
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Position
Checking keys
Remarks
Control
panel
1.switch condition of operation, transfer
and installment.
2.test the power indicator
Cooling
fan
1.check if there is wind and the sound
normal or not.
If abnormal noise and no wind,
to check the inner.
Power
part
1.when electrified, abnormal smell or not.
2.when electrified, abnormal vibration and
buzz or not.
3.color changing and heating or not in
appearance.
Periphery
1.gas pipe broken, loosen or not.
2.housing and other fixed parts loosen or
not.
Position
Checking keys
Remarks
Loophole
1.If installment fixed, the front
distorted
Reason for air hole.
2.attach splash or not.
Reason for burning the torch.
（
can use splash-proof material
）
Electric
hole
1.If installment fixed
Reason of torch screw thread damage
2.damage of its head and hole
blocked nor not
Reason of unstable arc and broken arc
Wire
sending
tube
1.check the extended size of the
pipe
Have to be changed when less than
6mm, when the extended part too small,
the arc will be unstable.
2.wire diameter and the tube inner
diameter match or not
Reason of unstable arc, please use the
suitable tube.
3.partial winding and extended
Reason of poor wires sending and
unstable arc, please change.
4.block caused by dirt in the tube,
and the remains of the wire
plating lay.
Reason of poor wire sending and
unstable arc, (use kerosene to wipe or
change new one.)
5.wire sending tube broken
O circle wear out
1.Pyrocondensation tube broken, change
new tube
2.Change new O circle
Gas
bypass
Forget to insert or the hole
blocked,
or
different
factory
component.
May lead to vice (splash) because of
poor gas shield, torch body get burned
(arc in the torch), please handle.
DAILY CHECK
WIRE SENDING MACHINE
WELDING TORCH
WELDING POWER SUPPLY