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OM-184 693 Page 13
4-6. Replacing Contact Tip Adapter
150 430-B
1 Barrel Extension
Remove as shown.
2 Contact Tip
3 Compression Nut
To remove, see Section 4-2.
4 Liner
5 Contact Tip Adapter
6 O-Ring
7 Head Tube
8 Head Tube Setscrew
Loosen setscrews and remove
adapter.
Install new o-ring and adapter, and
tighten setscrews. Reinstall con-
tact tip, compression nut, and
nozzle.
Tools Needed:
3/32 in
1
2
3
4
5
6
7
8
4-7. Troubleshooting
Trouble Remedy
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).
Erratic weld output. Tighten and clean all connections.
Pressing gun/feeder trigger does not
energize weld control; welding wire is
not energized; shielding gas does not
flow.
Secure plug from gun/feeder trigger cord into 10-socket receptacle on weld control (see Section 2-6).
Wire feeds, shielding gas flows, but
ldi i i t i d
Secure control cable leads in welding power source (see welding power source Owner’s Manual).
welding wire is not energized.
See Troubleshooting section in welding power source Owner’s Manual.
Wire feeds erratically. Check and correct drive roll pressure (see Section 2-8).
Clean drive roll or replace drive roll (see Section 4-3).
Decrease spool brake pressure (see Section 2-8).