TER SRL MIG175GD, User Manual

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USER MANUAL
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34
- YF-74L A2
DAILY CHECKING
WELDING POWER SUPPLY
Position Check points Remarks
Control panel
1.
Switch condition of operation, transfer and installation
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,
please 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
WELDING TORCH
Position Check points Remarks
Nozzle
If installation fixed, the front distorted Reason for air hole
Attach splash or not
Reason for burning the torch
(can use splash-proof material )
Electric hole
If installation fixed Reason of torch screw thread damage
Damage of its head and hole blocked or not Reason of unstable arc and broken arc
Wire sending
tube
Check the extended size of the pipe
Change when less than 6mm, when the
extended part too small, the arc will be
unstable
Wire diameter and the tube inner diameter
match or not
Reason of unstable arc, please use the
suitable tube
Partial bending and extended
Reason of poor wires sending and unstable
arc, please change
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)
Wire sending tube broken
Pyrocondensation tube broken, change new
tube
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