Lincoln Electric LN-7 GMA Welder User Manual


 
LN-7 and LN-7 GMA
www.lincolnelectric.com
[2]
A CLOSER LOOK
PERFORMANCE
Easy wire feeding with standard 2-roll or optional 4-roll wire drive
system.
Unique drive roll design provides positive feeding and quick reload-
ing by simply starting wire into guide tube. The drive rolls and
guide tubes are designed for long life and precise wire feeding.
Dynamic braking system stops wire feed motor quickly to
minimize crater sticking problems.
Solid state control compensates for wire drag and input line
variations to maintain accurate wire feed speed.
QUALITY AND RELIABILITY
Control circuit features "cold electrode" when the gun trigger is
released for an added measure of safety.
Completely enclosed case protects the heavy duty wire drive
mechanism from damage, yet allow easy access to rolls.
Rugged and durable design recognized throughout the industry
for its long life and years of trouble-free wire feeding.
Manufactured under a quality system certified to ISO 9001
requirements.
Three-year warranty on parts and labor.
FEATURES
Tool-less quick release wire drive tension system and gun cable
connections for easy wire or gun changes.
Can be boom mounted or add optional Universal Wire Reel
Stand, casters and/or swivel platform and mount on power
source for extra versatility.
Optional time controls for pre-flow and post-flow gas, burnback,
as well as cold inch and gas purge control.
Optional digital display is easy to read in bright sunlight or dark
working conditions.
Compatible with many Lincoln power sources including the
CV-250, CV-300, CV400-I, CV500-I, CV-655, V350-PRO, DC-400,
DC-600, DC-655, DC-1000, Ranger 250®, Ranger 250 LPG,
Ranger 305G, Ranger 305D, Classic® II, Classic 300G,
Classic 300D, Commander® 300, Vantage® 500,
Air Vantage® 500.
Optional time controls for pre-flow and post-flow gas,
burnback, as well as cold inch and gas purge control.
LN-7 GMA (2 roll) Ready-Pak
Wire Feeder Package (K1801-1)
SYSTEM SELECTION
Ready-Pak™ Packages
Take the hassle out of ordering - Order a Ready-Pak™
pre-assembled welding package.
LN-7 GMA 2-Roll Ready-Pak™ Wire Feeder Package
Order K1801-1
Universal Wire Reel Stand
10 ft. Control Cable
.035-.052 Drive Roll
Guide Tube Kit