Lincoln Electric LN-25 Operator's Manual page 31

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PROBLEMS
(SYMPTOMS)
Rough wire feeding or wire not
feeding but drive rolls turning.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con-
tact your local authorized field service facility for technical troubleshooting assistance before you proceed.
TROUBLESHOOTING
POSSIBLE
CAUSE
FEEDING PROBLEMS
1. Gun cable kinked and/or
twisted.
2. Wire jammed in gun and cable.
3. Incorrect size or installation
of drive roll and guide tubes.
4. Drive roll loose.
5. Gun cable dirty.
6. Worn drive roll.
7. Electrode rusty and/or dirty.
8. Worn nozzle or cable liner.
9. Partially flashed or melted
contact tip.
10. Incorrect idle roll pressure.
11. Wire reel brake tension set
too high.
CAUTION
LN-25
RECOMMENDED
COURSE OF ACTION
Contact your local
Lincoln Authorized
Field Service Facility
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