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E-2
TROUBLESHOOTING
E-2
POWER FEED 10 / R
Observe all Safety Guidelines detailed throughout this manual
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.
CAUTION
PROBLEMS
(SYMPTOMS)
POSSIBLE CAUSE
RECOMMENDED
COURSE OF ACTION
Rough wire feeding or wire not
feeding but drive rolls are turning.
Variable or “hunting” arc.
1. Gun cable kinked and / or twist-
ed.
2. Wire jammed in gun and cable.
Check for mechanical restric-
tions in feeding path.
3. Check for current position of
drive rolls relative to split wire
guide groove.
4. Drive rolls may not be seated
properly.
5. Gun cable dirty, clean if neces-
sary.
6. Worn drive roll.
7. Electrode rusty and/or
dirty.Cable frayed, or poor sol-
der joint at work or electrode
lug.
8. Worn nozzle or cable liner.
Replace if necessary.
9. Partially flashed or melted con-
tact tip. Replace if necessary.
10. Incorrect drive roll pressure.
Readjust if necessary.
11. Improper liner, tip or inner /
outer guides. Replace if neces-
sary.
12. Incorrect wire drive or gear
ratio selection on the control
P.C. board.
1. Wrong size, worn and/or melted
contact tip.
2. Worn work cable or poor work
connection.
3. Loose electrode or work cable
connections.
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.