Lincoln Electric LF-72/74 Welder User Manual


 
LF-72/74
INSTALLATION
AA-9 AA-9
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WELDING GUN/WIRE FEEDER TRIGGER
CONNECTOR
Wire Feeder
Pin Function
A Gun Trigger
B-
C Common
D-
E-
HIGH FREQUENCY PROTECTION
Locate the LF-74 away from radio controlled machin-
ery. The normal operation of the LF-74 may adversely
affect the operation of RF controlled equipment, which
may result in bodily injury or damage to the equipment.
REMOTE SENSE LEAD SPECIFICATIONS
Refer to the power source instruction manual for
instructions for connecting the wire feeder for STT
welding.
WIRE DRIVE SYSTEMS
Drive Roll Kits, Steel Wires
Includes: 4 Smooth V groove drive rolls and inner
wire guide.
KP1505-030S .023-.030 (0.6-0.8mm)
KP1505-035S .035 (0.9mm)
KP1505-045S .045 (1.2mm)
KP1505-052S .052 (1.4mm)
KP1505-1/16S 1/16 (1.6mm)
Welding G un
Wire Feeder
Amphenol
A
B
C
D
E
Trigger Lead
Drive Roll Kits, Cored Wires
Includes: 4 Knurled drive rolls and inner wire guide.
KP1505-035C .030-.035" (0.8-0.9mm)
KP1505-045C .040-.045" (1.0-1.2mm)
KP1505-052C .052" (1.4mm)
KP1505-1/16C 1/16" (1.6mm)
Drive Roll Kits, Steel or Cored Wires
Includes: 4 Knurled drive rolls and inner wire guide.
KP1505-068 .068-.072" (1.8mm)
KP1505-5/64 5/64" (2.0mm)
KP1505-3/32 3/32" (2.4mm)
Drive Roll Kits, Aluminum Wire
Includes: 4 polished U groove drive rolls, outer wire
guide and inner wire guide.
KP1507-035A .035" (0.9 mm)
KP1507-040A .040" (1.0mm)
KP1507-3/64A 3/64" (1.2mm)
KP1507-1/16A 1/16" (1.6mm)
DRIVE ROLLS
INNER WIRE
GUIDE