Miller Spoolmatic 30A Owner's Manual - Page 23
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5-6. Replacing Contact Tip Adapter
1
Tools Needed:
3/32 in
5-7. Troubleshooting
Trouble
No weld output; gun/feeder does not
work.
k
Erratic weld output.
Pressing gun/feeder trigger does not en-
ergize weld control; welding wire is not
energized; shielding gas does not flow.
Wire feeds, shielding gas flows, but
welding wire is not energized.
ldi
i
i
t
i d
Wire feeds erratically.
5
4
3
2
Secure weld control plug in 115 volts ac receptacle (see weld control Owner's Manual).
Place Power switch on welding power source in the On position (see welding power source Owner's
Manual).
Tighten and clean all connections.
Secure plug from gun/feeder trigger cord into 10-socket receptacle on weld control (see Sections 3-6 and
3-7).
Secure control cable leads in weld control (see weld control Owner's Manual).
See Troubleshooting section in welding power source Owner's Manual.
Check and correct drive roll pressure (see Section 3-9).
Clean drive roll or replace drive roll (see Section 5-3).
Decrease spool brake pressure (see Section 3-9).
8
7
6
Remedy
1
Barrel Extension
Remove as shown.
2
Contact Tip
3
Compression Nut
To remove, see Section 5-2.
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.
150 430-B
OM-1213 Page 19