Lincoln Electric LF-74 Benutzerhandbuch

[2]

A CLOSER LOOK

Rigid Cast Aluminum Frame
• Enhances precise drive roll

alignment 

Brass to Brass Interchangeable
Gun Bushings
• More reliable electrical 

conductivity – no oxide 
build-up

• More efficient energy transfer –

lower voltage drops 

• Easily adapt any number 

of Lincoln Magnum or 
competitive guns 

New Patent-Pending Drive Rolls
• 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

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