Installation, Warning – Lincoln Electric IM355-C LN-9 GMA User Manual
Page 20

INSTALLATION
A-11
A-11
LN-9 GMA and LN-9F GMA Wire Feeder
FIGURE A.9 – CONNECTION OF LN-9 GMA TO V300 POWER SOURCES
N.A. Welding cable must be sized for current and duty cycle of application.
N.B. Diagram shows electrode positive. To change polarity, turn power “OFF”, reverse electrode and work cable at power source. Set
meter polarity switch on rear of invertec to coincide with polarity used. Set LN-9 GMA polarity switch also.
N.C. Install K608-1 adapter in line with P10 to LN-9 GMA voltage board and secure to adjacent harness with wire tie provided. Turn
“start” trimmer on voltage board per instructions in V300 manual.
N.D. For GMAW welding, install Pulse Power Filter Kit K442-1 in LN-9 GMA.
WARNING
• Turn off input power to the welding
power source using the disconnect
switch at the fuse box before connect-
ing the wire feeder
• Only qualified persons should install,
use or service this machine.
ELECTRIC SHOCK
can kill.