TRANSTIG 220AC/DC AND 300AC/DC POWER SOURCE
BASIC WELDING GUIDE
4-18
Manual 0-5293
8 Poor weld finish
Inadequate shielding
gas.
Increase gas flow or check gas line for
gas flow problems.
9 Arc start is not smooth.
A Tungsten electrode is
too large for the weld-
ing current.
A Select the right size tungsten electrode.
Refer to Table 4-3 CIGWELD Tungsten
Electrode Selection Chart.
B The wrong electrode
is being used for the
welding job.
B Select the right tungsten electrode type.
Refer to Table 4-5 CIGWELD Tungsten
Electrode Selection Chart.
C Gas flow rate is too
high.
C Select the right rate for the welding job.
Refer to Table 4-7.
D Incorrect shielding gas
is being used.
D Select the right shielding gas.
E Poor work clamp con-
nection to work piece.
E Improve connection to work piece.
10 Arc flutters during TIG
welding.
Tungsten electrode is
too large for the weld-
ing current.
Select the right size tungsten electrode.
Refer to Table 4-3 CIGWELD Tungsten
Electrode Selection Chart.