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OM-259 Page 12
2-6. Typical MIG Process Connections Using A Constant Speed Wire Feeder
Y Weld current can damage
electronic parts in vehicles.
Disconnect both battery
cables before welding on a
vehicle. Place work clamp as
close to the weld as possible.
Constant speed wire feeders are
used with constant voltage (CV)
power sources having a 14-pin re-
ceptacle.
. For flux cored welding
(FCAW), contact welding wire
manufacture for polarity rec-
ommendations.
Gun
Workpiece
Electrode Lead
Work Lead
14-Pin Interconnecting Cord
Gas
Shielding Gas
Regulator/
Flowmeter
Work Clamp
mig 9/99 / Ref. ST-800 357-A
Constant
Voltage
(CV)
Welding
Power
Source
Constant
Speed
Wire Feeder
(When Required)
2-7. Typical MIG Process Connections Using A Voltage-Sensing Wire Feeder
Y Weld current can damage
electronic parts in vehicles.
Disconnect both battery
cables before welding on a
vehicle. Place work clamp as
close to the weld as possible.
Voltage sensing wire feeders are
used with constant current (CC) or
constant voltage (CV) power
sources (14 pin receptacle not re-
quired).
If using a CC welding power source
without a weld output contactor, use
optional secondary contactor.
For GMAW, use optional gas valve.
Voltage
Sensing Wire
Feeder
Constant
Current (CC)
Or Constant
Voltage (CV)
Power Source
Work Lead
Electrode Lead
Workpiece
Work Clamp Voltage
Sensing Clamp
Gun
802 488