Lincoln Electric manual SA-250 & 350-SA

SA-250 & 350-SA WIRING DIAGRAM

– 21 –

THERMOSTART									IDLER	U
IGNITER										U
			ENGINE						P.C.	R
										W
			PROTECTION						BOARD
										Y
			RELAY
53	ENGINE								56A
								IDLER	57
	HOUR						IGNITION
								SWITCH
	METER						SWITCH
THERMO									IDLER
		FUSE		(SFE-14)
START	START								SOLENOID
		-						56
	+
		G	NO	NC	S	B	58	59B
							51B		OIL	PRESSURE
	59
		60						54	SWITCH(N.C.)
	52
51A
		60A						59C
	50A
									FUEL
									INJECTION
							B		PUMP
							TEMPERATURE
							GAUGE
	50
	B
	S				+ A	-			59A
+									ALTERNATOR
	STARTING
								+	EXC
	MOTOR						51		-
								60B
								60D
GROUND
TO	BASE

ELECTRICAL	SYMBOLS	CONTROL	PANEL COMPONENTS
PER E1537		SHOWN AS VIEWED FROM REAR.				P10
		NEUTRAL	BONDED	TO	FRAME
LEAD COLOR	CODE	NEUTRE	RACCORDE	AU	’	12 11 10 9 8 7 6 5 4 3 2 1
					BATI

B-BLACK

W

J5

G-GREEN

B

+Y

N-BROWN

N

-W

ALTERNATOR

ROTOR

U

(LEADS

APPEAR ON

SLIP

RINGS

-

EARLIER

UNITS ONLY)

+

SLIP RING

B

+

610

610

W

B

NEAREST

R

602B

TO

IRON

AC

AC

600B

-

41

1

115

VOLT

230 VOLT

Y

600A

2

RECEPTACLE

RECEPTACLE

42

3

B

15A.

G

4

FUSE

Y

602A

5

RHEOSTAT

6

Y

J8

P9

B

B

SELECTOR

R

SWITCH

G

ALTERNATOR

B

B

CB2

CB4

CB3

W

AUXILIARY

CB1

POWER

G

WINDINGS

B

GENERATOR

G

A

B

B

5 4

3

2

1

CURRENT

CR2

REED

WELDER

TRANSFORMER

U

RELAY

LEAD BLOCK

U

R

N

U

-W

+Y

N

NEGATIVE

POSITIVE

(CC-)

(CC+)

&

(CV+ WITH

W.F.M.)

K924-1 REMOTE CONTROL (OPTIONAL)

WIRE FEED MODULE (OPTIONAL)

K924-4 REMOTE CONTROL (OPTIONAL)	P11
PLUG FOR REMOTE	**SEE
REMOTE CONTROL RECEPTACLE & SWITCH
CONTROL POTENTIOMETER	BELOW

REMOTE	CONTROL RECEPTACLE & SWITCH	PLUG FOR
		REMOTE CONTROL
		POTENTIOMETER
* SEE	B	X

ON MACHINE, REMOVE PLUG "P10" FROM CONNECTOR "J5". CONNECT PLUG "P5" ON W.F.M. TO CONNECTOR "J5" ON MACHINE.

* SEE	B
BELOW	R

X

RESISTORS	G		1
		Y	X
			2
			3

BELOW		R			Y	X
	1	41
*SEE	2	600		Y
	3	42	R	G	B	W
BELOW
	4	602
	5		W		CONNECT
	6				TO CASE

INLINE

CONNECTORS

W.F.M.

CONTROL

PANEL

CONNECT TO POS. & NEG. OUTPUT TERMINALS

PLUG (P5)

#8 LEAD	WIRE
POS.	FEED
NEG.

	1	41
	2	600
*SEE	3	42
BELOW
	4	602
	5
	6
	P8

W

			4
Y			5
		B	W
			6
			7
			8
			9
			10
	CONNECT		11

P8

SWITCH FOR LOCAL OR

REMOTE CONTROL SHOWN

IN LOCAL POSITION.

NEGATIVE CV OUTPUT TERMINAL PANEL

MODULE

#2 HEAVY LEAD

608

SWITCH FOR LOCAL OR REMOTE CONTROL SHOWN IN LOCAL POSITION.

TO CASE	12
REMOTE CONTROL
POTENTIOMETER	BOX

* WITH MACHINE NOT RUNNING, REMOVE PLUG "P9" ON

CONNECT TO NEG.

609

* WITH MACHINE OFF,	REMOVE PLUG "P9" ON MACHINE FROM CONNECTOR "J8". THEN CONNECT PLUG "P8"
ON REMOTE CONTROL	KIT TO CONNECTOR "J8" ON MACHINE.

MACHINE FROM CONNECTOR "J8". THEN CONNECT

PLUG "P8" ON REMOTE CONTROL TO

CONNECTOR "J8" ON MACHINE.

REMOTE CONTROL

POTENTIOMETER BOX

BRUSH HOLDER

250AMP

THERMOSTAT ASSEMBLY

#2 HEAVY LEAD

* MACHINE MUST NOT BE RUNNING

WHEN MAKING THESE CONNECTIONS.

* * IF A WIRE FEED MODULE IS INSTALLED, WITH THE MACHINE OFF, DISPOSE OF THE UNCONNECTED

PLUG "P10" (IF ONE IS ON THE MACHINE). FASTEN THE NEW PLUG "P11" NEARBY, LEAVING IT UNCONNECTED.

IF NO WIRE FEED MODULE IS INSTALLED, WITH THE MACHINE OFF, DISCONNECT PLUG "P10" ON THE MACHINE FROM CONNECTOR "J5". CONNECT PLUG "P11" FROM THE REMOTE CONTROL KIT TO CONNECTOR "J5" ON THE MACHINE.

THE RED AND BLACK LEADS ARE USED ON CLASSIC I MACHINES ONLY AND ARE NOT

CONNECTED ON THIS MACHINE. DAMAGE TO THE REMOTE CONTROL AND/OR MACHINE WILL RESULT IF THE RED AND BLACK LEADS ARE CONNECTED IN THE SA-250

AND 350-SA.

CAUTION: DAMAGE CAN OCCUR TO THE REMOTE CONTROL SWITCH IF IT IS USED WITHOUT THE "P11" PLUG INSTALLED OR A WIRE FEED MODULE INSTALLED.

THE RED AND BLACK LEADS ARE USED ON CLASSIC I MACHINES ONLY AND ARE NOT CONNECTED ON THIS MACHINE. DAMAGE TO THE REMOTE CONTROL AND/OR MACHINE WILL RESULT IF THE RED AND BLACK

LEADS ARE CONNECTED IN THE SA-250 AND 350-SA.

10-31-97L

L9150

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code number..