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-

TO WORK

LN-742

 

ELECTRODE CABLE

INPUT CABLE

250

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

K=42

I=41

H=21

C=2

K=42

I=41

C=2

H=21

1-28-94

LINCOLN POWER SOURCE TO AN LN-742

F

76

OUTPUT

CONTROL

G

75

OUTPUT

CONTROL

D=4

G=75

D=4 S20409

G=75

H

21

WORK

I

41

42V

AC

K

42

42V

AC

E=77F=76

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

F=76E=77

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

F-7

Page 34
Image 34
Lincoln Electric CV-250 manual Lincoln Power Source PIN Amphenol