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
Summary of Contents for H200L4-15 Gun
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