Miller Gold Seal 422 Owner's Manual - Page 19
Browse online or download pdf Owner's Manual for Welding System Miller Gold Seal 422. Miller Gold Seal 422 37 pages. Arc welding power source and wire feeder
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5-3. Drive Motor Fuse F1
1
Tools Needed:
1/4, 3/8 in
5-4. Short Circuit Shutdown
If contact tip is shorted and sticks to workpiece, the unit shuts down, but fan runs. To resume operation, release gun
trigger, turn Off unit, and remove contact tip from workpiece. Check contact tip and replace if damaged. Turn On unit to
continue operation.
5-5. Replacing Gun Contact Tip
Tools Needed:
2
Y Turn Off power, unlatch door
1
2
If drive motor is inoperative, pull
fuse from fuse holder on PC1. Re-
place fuse if necessary. To reinstall,
push fuse into fuse holder.
Reinstall wrapper, and latch door.
Y Turn
1
2
Cut off welding wire at contact tip.
Remove nozzle.
Remove contact tip and install new
2
contact tip. Reinstall nozzle.
1
and remove wrapper.
Circuit Board PC1
Fuse F1 (See Parts List For
Rating)
Ref. ST-802 026
Off
power
before
replacing contact tip.
Nozzle
Contact Tip
Ref. ST-801 978
OM-187 926 Page 17