Lincoln Electric 350MP Operator's Manual page 37

E-7
PROBLEMS
(SYMPTOMS)
While loading wire, the rear drive
rolls stop while pushing wire
through the torch.
While loading wire, the wire bird
nests before the wire gets all the
way through the torch.
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 throughout this manual
POSSIBLE
PUSH PULL WIRE FEEDING PROBLEMS
1. Check torch cable for kinks.
Torch cable should be laid out
relatively straight.
2. Check to see that the spindle
brake is not set too tight. There
should be an aluminum spacer
behind the spindle brake. Refer
to the push-pull connection kit for
this spacer.
3. Check the wire at the spool.
Make sure wire is not crossed
and is de-reeling properly.
4. Increase wire feed speed to 350-
400 ipm.
5. If problem continues after 1 thru
4 are checked then the Stall
Factor Number needs to be
increased. (See: Stall Factor
Number Adjustment)
1. Check torch cable for kinks.
Torch cable should be laid out
relatively straight.
2. Make sure liner conduit is insert-
ed all the way into the rear wire
drive so that it is up against the
inner black plastic wire guide.
3. Inner black plastic wire guide is
worn out. Replace guide.
4. Slow down wire feed speed while
pushing wire up through the
liner. Recommended setting =
350MP ipm.
5. Clean or replace contact tip.
POWER MIG
CAUSE
CAUTION
350MP
®
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.
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