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MAINTENANCE AND TROUBLESHOOTING
Contact tips and nozzles should be cleaned frequently. Spatter buildup may cause bridging
between nozzle and tip. This could cause electrical shorting between the nozzle and work
piece as well as poor or improper gas flow. Regularly inspect the conductor tube, handle,
cable, and other parts of the MIG Gun for abrasion, cuts, or undue wear. Replace or repair any
parts found deficient.
Problem
Wire feed inconsistent
or not smooth
MIG Gun is running hot
Porous weld
Conduit gets hung-up
inside of the gun
89200015
SAFETY AND OPERATING INSTRUCTIONS
All manuals and user guides at all-guides.com
SECTION 7:
Possible Cause
1. Loose contact tip.
2. Excessively worn contact tip.
3. Spatter buildup on end of
contact tip.
4. Sharp bends or kinks in
conduit.
5. Dirty or plugged conduit.
6. Conduit pulled back from
contact tip.
7. Machine improperly adjusted. 7. Reset machine per machine
1. Loose contact tip.
2. Loose power connections.
3. Loose or undersize ground
cable or ground clamp.
4. Operating gun above
recommended amperage
rating.
5. Operating gun above
recommended duty cycle
rating.
1. Poor or improper gas flow.
2. Dirty or contaminated wire.
3. Base metal contaminated.
1. Burr on the end of the cut
conduit.
2. Conduit liner has kinks.
19
Corrective Action
1. Tighten nozzle.
2. Replace contact tip.
3. Clean or replace contact tip.
4. Straighten or replace conduit.
5. Replace conduit.
6. Reposition conduit and cable.
and wire manufacturers'
recommendations.
1. Tighten nozzle.
2. Inspect complete gun for loose
connections and repair.
3. Tighten or replace as required.
4. Readjust machine to correct
setting for size of gun being used.
5. Readjust machine to correct
setting for size of gun being used.
1. Check gas flow out of gun nozzle.
Check for leaks or restrictions in
gas hoses and connections.
2. Change wire.
3. Replace base metal.
1. Remove the burr with a file.
2. Replace conduit.
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