Lincoln Electric IM872 LF-74 WIRE FEEDER - Manual (Page 32)

B-3 OPERATION B-3
ITEM DESCRIPTION
1 Wire Feed Speed Knob.
2 Location for Optional Remote Voltage Control (See Accessory Section For Kit Number).
3 Location for Optional Burnback and Postflow Timer Kit (See Accessory Section For Kit Number).
4 Thermal LED, Motor Overload.
5 Cold Feed - Gas Purge Switch, press the switch up to feed wire with weld output off. Press the
switch down for gas flow with weld output off.
6 2 step - Trigger Interlock switch.
7 Gun Receiver Bushing.
8 Trigger Connector 5-pin amphenol for connecting the MIG gun trigger. See Installation Section
for detail.
LF-74
FRONT PANEL CONTROLS AND CONNECTIONS
CASE FRONT CONTROLS
FIGURE B.1
2
3
4
5
6
1
7
8