Lincoln Electric POWER MIG IM736-D Operator's Manual page 37

E-9
PROBLEMS
(SYMPTOMS)
During Welding the wire continues
to burn back to the tip.
Wire bird nests while welding.
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 AREAS OF
MISADJUSTMENT(S)
PUSH PULL WIRE FEEDING PROBLEMS
1. 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.
2.
POWER MIG 300
tight. The tension arm should be
set at 1 to 1-1/2.
3. Push-Pull torch drive rolls set too
tight. Refer to owners manual for
proper setting.
4. If pulse welding the trim value
may be set too high.
5. Clean or replace contact tip.
6. If problem continues after a thru
e are checked then the Stall
Factor Number needs to be
increased. (See Stall Factor
Number Adjustment)
1. Torch liner conduit not inserted
all the way so that it is touching
the inner black plastic wire guide.
2. Inner black plastic wire guide is
worn out. Replace guide.
3. Push-Pull torch drive rolls set too
tight. Refer to owners manual for
proper setting.
4. If problem continues after a thru
c are checked then lower your
Stall Factor Number. (See: Stall
Factor Number Adjustment)
POWER MIG 300
drive rolls set too
CAUTION
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-9