Turn off and disconnect input power.
Remove and replace liner. Reinstall parts as shown.
Ref. 804 687-A
Trouble Gun tube assembly loose.
Tighten nut at base of gun tube assembly.
No weld output; gun/feeder does not work.
Place Power switch on welding power source in the On position (see welding power source Owner’s Manual). Check Spool Gun/MIG Gun switch for correct position.
Erratic weld output.
Tighten and clean all connections. Check for proper weld output polarity connections (see Section 3-3).
Pressing gun/feeder trigger does not energize welding power source; welding wire is not energized; shielding gas does not flow.
Secure plug from gun/feeder trigger cord into 4-socket receptacle on welding power source (see Section 3-3).
Place Spool Gun/MIG Gun switch in Spool Gun position (see Section 3-3).
Wire feeds, shielding gas flows, but welding wire is not energized.
Secure spool gun cable connector to wire drive assembly inside welding power source (see Section 3-3).
See Troubleshooting section in welding power source Owner’s Manual.
Wire feeds erratically.
Check and correct drive roll pressure (see Section 3-4).
Clean or replace drive roll; clean or replace liner (see Sections 5-2 and 5-3).
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