Lincoln Electric POWER MIG SVM165-A Service Manual page 58

F-12
Observe Safety Guidelines
detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
While loading wire the wire bird
nests if the wire misses the outlet
guide while shooting the gap in the
torch.
Arc length varies while welding (arc
length is not constant).
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely,
contact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
1-888-935-3877.
TROUBLESHOOTING & REPAIR
POSSIBLE AREAS OF
MISADJUSTMENT(S)
PUSH PULL WIRE FEEDING PROBLEMS
1. Straighten the first six inches of
the wire before feeding it into the
rear wire drive.
2. Make sure the torch drive rolls
are tightened slightly to help the
wire jump the gap.
3. Slow down wire feed speed while
pushing wire through torch liner.
Recommended setting = 350
ipm.
4. If problem continues after a thru c
are checked then the Stall Factor
Number needs to be decreased.
See Stall
Adjustment.
1. Power Mig 350MP drive rolls set
to tight. The tension arm should
be set at 1 to 1-1/2.
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. Clean or replace contact tip.
4. If problem continues after a thru c
are checked then the Stall Factor
Number needs to be increased.
See Stall
Adjustment.
CAUTION
POWER MIG 350MP
TROUBLESHOOTING GUIDE
RECOMMENDED
COURSE OF ACTION
Factor Number
Factor Number
F-12