Lincoln Electric CV-300 manual LINCOLN POWER SOURCE TO AN LN-742

LINCOLN
POWER SOURCE	N.D.
	14 PIN
	AMPHENOL
	LN-742
	WIRE

WARNING

ELECTRIC

SHOCK

CAN KILL

Turn off (0) the power switch on the Welding Power Source before connecting the wire feeder.

Only qualified persons should install, use or service this machine.

F-7

	+ -	FEEDER
CV-300	TO WORK	LN-742
	ELECTRODE CABLE	INPUT CABLE
		ASSEMBLY

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 CABLES AT POWER SOURCE AND SET WIRE FEEDER VOLTMETER POLARITY SWITCH ON POWER SOURCE TO PROPER POLARITY.

N.C. PINS NOT LISTED ARE NOT CONNECTED ON CABLE.

N.D. IF USING K589-1, REMOTE CONTROL KIT,

SET POWER SOURCE CONTROL SWITCH TO "REMOTE" POSITION.

DIAGRAMS

FUNCTIONS ARE LISTED FOR REFERENCE ONLY AND EACH MAY OR MAY NOT BE PRESENT IN YOUR EQUIPMENT.

(SEE APPROPRIATE WIRING DIAGRAM)

PIN	LEAD	FUNCTION
C	2	TRIGGER CIRCUIT
D	4	TRIGGER CIRCUIT
E	77	OUTPUT CONTROL
F	76	OUTPUT CONTROL
G	75	OUTPUT CONTROL
H	21	WORK
I	41	42V AC
K	42	42V AC

	K=42
	I=41
	H=21
C=2
D=4	G=75

E=77F=76

14-SOCKET BOX RECEPTACLE, FRONT VIEW AND 14-PIN CABLE PLUG, REAR VIEW

K=42

I=41

	C=2
H=21
		1-28-94
G=75	D=4	S20409
F=76	E=77

14-SOCKET BOX RECEPTACLE, REAR VIEW AND 14-PIN CABLE PLUG, FRONT VIEW

LINCOLN POWER SOURCE TO AN LN-742

F-7