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OM-235 281 Page 15
3-7. Setting Gun Polarity For Wire Type
Tools Needed:
3/4 in
Ref. 242 145-A
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.
+ Positive Terminal
− Negative Terminal
Work Clamp Lead
Wire Drive Assembly Lead
Changing Polarity
3-8. Installing 2 lb Wire Spool And Adjusting Hub Tension
242 146-A
1 Keyed Washer
2 Wire Spool (2 LB)
3 Keyed Washer
4 Compression Spring
5 Washer
6 Nut
Assemble components in numer-
ical order as shown.
Hand tighten nut to create a slight
drag while rotating wire spool.
. Over tightening nut may
cause wire slippage.
1
2
3
4
5
6