Changing Liner; Troubleshooting - Miller Spoolmate 150 Manuel D'utilisation

5-3. Changing Liner

1
Tools Needed:

5-4. Troubleshooting

Trouble
No weld output; gun/feeder does not
work.
Erratic weld output.
Pressing gun/feeder trigger does not
energize welding power source; welding
wire is not energized; shielding gas does
not flow.
Wire feeds, shielding gas flows, but
welding wire is not energized.
Wire feeds erratically.
3
2
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.
Tighten and clean all connections.
Check for proper weld output polarity connections (see Section 3-3, 3-4, or 3-5).
Secure plug from gun/feeder trigger cord into 4-socket receptacle on welding power source (see Section
3-3, 3-4, or 3-5).
Place Spool Gun/MIG Gun switch in Spool Gun position (see Section 4-1, 4-2 or 4-3).
Secure spool gun cable connector to wire drive assembly inside welding power source (see Section 3-3,
3-4, or 3-5).
See Troubleshooting section in welding power source Owner's Manual.
Check and correct drive roll pressure (see Section 3-6).
Clean or replace drive roll; clean or replace liner (see Sections 5-2 and 5-3).
!
Turn Off power at welding
power source first.
1 Nozzle
2 Contact Tip
3 Liner
Remove and replace liner.
Reinstall parts as shown.
Remedy
Ref. 804 985-A
OM-272 384 Page 21