Daily Checking - MADER MIG-160A Manual Del Usuario

DAILY CHECKING

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