Lincoln Electric LF-74, LF-72 technical specifications Performance

A CLOSER LOOK

PERFORMANCE

F

F

D

E

A

B

C

G

LF-74 Four Roll Drive

LF-72 Two Roll Drive

A Rigid Cast Aluminum Frame C

•Enhances precise drive roll alignment

BBrass to Brass Interchangeable Gun Bushings

• More reliable electrical	D
conductivity – no oxide
build-up

•More efficient energy transfer – lower voltage drops

• Easily adapt any number	E
of Lincoln Magnum or
competitive guns

New Patent-Pending Drive Rolls F

•For steel - new design delivers 20% more feeding force

•For aluminum - chrome plated to resist build-up

Twist-Lock Drive Roll Hubs

•Two or four gear driven rolls

•Fast, tool-less changeovers

Patented Split Wire Guides
• Full support for wire throughout	G
the drive path

•Removable outer wire guide for easy access

•No tools required

•No birdnesting

Patent-Pending Dual Spring Pressure Arm

•Easy turn numeric tension indicator

•Set heavy tension for steel and stainless

•Set moderate tension for cored wires

•Set soft tension for aluminum

•Wide idler arm hinge delivers improved drive roll clamping pressure

Separate Drive Gear

•Reduces pressure on motor for extended service life

LF-72/LF-74 Wire Feeders

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