Lincoln Electric LN-9 SVM127-A Service Manual page 73

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TROUBLESHOOTING GUIDE
PROBLEMS
(SYMPTOMS)
When the gun trigger is activated
the drive rolls turn, but the wire will
not feed or wire feeding is rough.
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con-
tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
216-383-2531 or 1-800-833-9353.
TROUBLESHOOTING & REPAIR
POSSIBLE AREAS OF
MISADJUSTMENT(S)
FEEDING PROBLEMS
1. Check or replace the gun cable.
It may be kinked, clogged, or
twisted.
2. Make certain the drive rolls and
guide tubes are correct for the
wire being used.
3. Check or replace the gun con-
tact tip.
4. The electrode wire may be rusty
or dirty. Replace if necessary.
CAUTION
LN-9 Wire Feeder
Observe Safety Guidelines
detailed in the beginning of this manual.
RECOMMENDED
COURSE OF ACTION
1. If conditions are extremely dirty,
install a wiper on the wire before
it enters the guide tube. Use a
piece of cloth saturated with
"Pyroil B."
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