Lincoln Electric LF-72 Technical Specifications page 3

A CLOSER LOOK
FEATURES
Heavy Duty hinged door opens upward to
provide generous access to wire drive.
Convenient storage tray on top for
contact tips and drive rolls.
Calibrated Wire Feed Speed Dial for precise setting.
Convenient 2 Step/Trigger Interlock Switch
for operator comfort during long welds.
Cold Feed for safety/Gas Purge clears
shielding gas line.
H
(optional)
G
(optional)
F
E
Rugged MAXTRAC™ wire drive system.
Control Cable Connector with Spin-Nut™
for fast, easy, tool-less connection.
D C
Front View
Gas Hose Connection Inlet.
Patented Ball Bearing Inlet
Guide for accurate feeding.
Key Controls (LF-72 and LF-74)
A
A ) Calibrated Wire Feed Speed Dial
B ) Gun Connection (K1500-2)
C ) 5-Pin Gun Connection
D ) Motor Thermal Protection Light
E ) Cold Feed/Gas Purge Switch
B
F ) 2-Step/Trigger Interlock Switch
G ) Burnback/Postflow Timer Kit (optional)
H ) Remote Voltage Control Kit (optional)
LF-72 shown with optional K2330-1 Postflow and Burnback Timer Kit
and K2329-1 Remote Voltage Control Kit.
[3]
LF-74 Four Roll Bench Model Shown
Back View
LF-72/LF-74 Wire Feeders
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