MAINTENANCE AND TROUBLESHOOTING
7
Uneven weld
appearance
Unsteady hand, wavering
hand
Use two hands where possible to
steady up, practise your technique
8
Distortion
−
movement of base
metal during
welding
Excessive heat input
Reduce the amperage or use a
smaller electrode
Poor welding technique
Use the correct welding technique or
seek assistance for the correct
technique
Poor joint preparation and or
joint design
Check the joint design and fit up,
make sure the material is not too
thick. Seek assistance for the correct
joint design and fit up
9
Electrode welds
with different or
unusual arc
characteristic
Incorrect polarity
Change the polarity, check the
electrode manufacturer for correct
polarity
65
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ADVANCEMIG 255C