Lincoln Electric MAGNUM IM632-B Operator's Manual page 16

E-2
PROBLEMS
(SYMPTOMS)
1. Drive rolls turn, but wire will not
feed or wire feeding is rough.
2. Variable or "hunting" arc.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
TROUBLESHOOTING
Observe all Safety Guidelines detailed througout this manual
POSSIBLE CAUSE
FUNCTION PROBLEMS
A. Gun cable kinked and/or twisted.
B. Wire jammed in gun and cable.
C. Incorrect drive rolls and guide
tubes.
D. Gun cable liner dirty.
E. Worn drive rolls.
F. Electrode rusty and/or dirty.
G.Worn or improper size cable
liner.
H. Partially flashed, melted, or
improper size contact tip.
I. Incorrect diffuser
A. Contact tip worn or incorrect size.
B. Worn or undersize ground cables
or poor ground connections.
C. Loose electrode connections.
CAUTION
MAGNUM® 450WC & 650WC
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.
E-2