3-7. Setting Gun Polarity For Wire Type
Changing Polarity
Wire Drive Assembly Lead
+Positive Terminal 
− Negative Terminal | Work Clamp Lead |
|
Shown as shipped - Electrode Positive (DCEP): For solid steel, stainless steel, aluminum, or flux core with gas wires (GMAW).
Electrode Negative (DCEN):
Reverse lead connections at terminals from that shown above for gasless flux core wires (FCAW). Drive assembly becomes negative.
Tools Needed: 3/4 in
Ref. 242
3-8. Installing 2 lb Wire Spool And Adjusting Hub Tension
1
2
3
4
5
1Keyed Washer
2Wire Spool (2 LB)
3Keyed Washer
4Compression Spring
5Washer
6Nut
Assemble components in numer- ical order as shown.
Hand tighten nut to create a slight drag while rotating wire spool.
.Over tightening nut may
6cause wire slippage.
242
