Lincoln Electric SVM194-A service manual Schematic Complete Machine Codes 11472, 11473 L13672

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G-20	ELECTRICAL DIAGRAMS	G-20
SCHEMATIC - COMPLETE MACHINE - (CODES 11472, 11473) (L13672)

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L13672		ENGINEERING CONTROLLED CHANGE DETAIL: New
		MANUFACTURER: No
CENTER OF CONTROL PANEL				IDLER / ENGINE PROTECTION PC BOARD
				LOCATED BEHIND UPPER PORTION OF CONTROL PANEL
12 VOLT - NORMALLY OFF
RED ENGINE	60C	61	J1-4		ENGINE	SCHEMATIC G4828-1
				N.C.	SHUTDOWN
PROTECTION
LIGHT
GHT SIDEOF ENGINE		58	J1-9	N.O.		FLYBACK
YINJECTION PUMP	GND-C
INJECTION			ENGINE			DIODES
PUMP
			RUNNING
SOLENOID
APPROXIMATE
RESISTANCE: 3.3 OHMS

		THIS LEAD PROVIDES FLASH				BACK, LEFT SIDEOF ENGINE				AMMETER SHOWS FULL
		FOR ALTERNATOR AND							GLOW PLUG	DISCHARGE WHILE PRESSING
						65 AMP / 12 VOLT
		SENSES ALTERNATOR OUTPUT								GLOW PLUG SWITCH
						ALTERNATOR			SWITCH
J1-3			59				D+
				BACK, RIGHT SIDEOF ENGINE						53
B3	55	WHITE					B+
			PULL COIL		IDLE SOLENOID
								51C
J1-8	57	RED		TYPICAL CURRENT DRAW AND
			HOLD COIL	RESISTANCE:					-40 TO 40 AMPS
									AMMETER
		BLACK		HOLD COIL: 1A, 10-15 OHMS
								+	-
			212E	PULL COIL: 40A, LESS THAN .1 OHM			51			GLOW PLUGS
J1-2		212C			56	10A	51A			TYPICAL CURRENT
J1-1		212D		IGNITION						DRAW IS 40 +/- 3 AMPS
						CB4			50A
				SWITCH
						LOWER LEFT OF
		BACK, LEFT SIDEOF ENGINE		212A	SHOWN IN "OFF"
						CONTROL PANEL

K924-5 REMOTE CONTROL

(OPTIONAL)

REMOTE CONTROL PLUG

G

Y

X

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TYPICAL CURRENT DRAW: 3.3A

50

			ENGINE
			PROTECTION
			CIRCUITS (SEE
CENTER OF CONTROL PANEL			BELOW FOR
	+		LOGIC)
60		93	J1-10
HOUR METER

J1-6	44	43	S	I	POSITION
					TEMPERATURE	START
	W	G	G
						SWITCH			BACK, BOTTOM
					GAUGE
	TEMPERATURE SWITCH / SENDER
					LOWER LEFT OF	52			OF MACHINE
	SWITCH CLOSESSENDER OPERATION:						STARTER	+
					CONTROL PANEL
	AT 230v+/-6vF	140vF -> 134+/-13.5 OHMS212B					SOLENOID		BATTERY
		194vF -> 51.2+/-4.3 OHMS
		212vF -> 38.5+/-3 OHMS			SENDER IS APPROX.		STARTER		12.6 VOLTS MIN
	BACK, TOPOF ENGINE				500 OHMS AT 70vF
									AT REST

64+/-6.4 OHMS MAX

W25+/-1.25 OHMS EACH

CCW

	J1-5
UNUSED	J2-1
	J2-2

J1-7		200	S	I	OIL PRESSURE	MOTOR
	54					14-14.5 VOLTS
	WK	G	G		GAUGE	WHILE RUNNING
					LOWER LEFT OF
					CONTROL PANEL

RHEOSTAT

REMOTE CONTROL BOX

B1

REVERSE VOLTAGE

OIL PRESSURE SWITCH / SENDER

60A

PROTECTION DIODE

IDLE

SWITCH CLOSES

SENDER OPERATION:

AT 6+/-2 PSI

0 PSI -> 10+/-5 OHMS

AUX LOAD SENSING

SOLENOID

B4

40PSI -> 105+/-5 OHMS

FLYBACK DIODE PREVENTS

CIRUITS

B5

UNUSED

80 PSI -> 187+/-5 OHMS

WELD LOAD SENSING

(SEE BELOW

VOLTAGE SPIKES IN SHUNT FIELD

THE P10 PLUG IS ONLY ON UNITS WITHOUT

B6

FOR LOGIC)

FROM DAMAGING LOCAL/REMOTE

J2-3 J2-4B2

ENGINE PROTECTION CIRCUIT LOGIC

THE WIRE FEED MODULE. THE WIRE FEED

P10

TOGGLE SWITCH WHEN SWITCHED

1. UPON RECIEVING POWER FROM THE

MODULE HAS A HARNESS THAT PLUGS

ON NEWER BOARDS,

12 11 10

9 8 7

6 5 4

3

2

1

DIRECTLY INTO J5.

IGNITION SWITCH, THE FUEL SOLENOID,

844

GND-B

SHOWN IN "AUTO

J1 BECOMES J31, J2 BECOMES J32,

JUMPER PLUG IS FOR CONNECTION

J5

FUEL PUMP AND HOUR METER ARE

IDLE" POSITION

B5 AND B6 TERMINALS ARE DELETED.

TO WIRE FEED MODULE

IDLER SWITCH

48

ENERGIZED.

400D

JUMPER PLUG ISWIRE-TIED UP

400E

DC EXCITER

2. ENGINE PROTECTION IS BYPASSED

+

610

BEHIND LOCAL / REMOTE SWITCH ON

FOR ONE MINUTE TO ALLOW OIL

15A

WINDING SPEC: ALT-241-3A

+

RIGHT SIDEOF MACHINE(ASVIEWED

PRESSURE BUILDUP. ENGINE MUST BE

20A

CB2

40.5 - 42.5 OHMS AT 25C

610A

610

U

FROM CONTROL PANEL)

STARTED WITHIN ONE MINUTE OF

CB1

EXCITER REVOLVING

AC

AC DIODE

N

W

Y

TURNING IGNITION SWITCH ON OR THE

11A

7A

FIELD (ROTOR)

-

LOWER, RIGHT SIDEOF CONTROL PANEL

FUEL SOLENOID, FUEL PUMP AND HOUR

600C

-

600B

METER WILL TURN OFF. AFTER ONE

400F 115 VOLT GFCI

SLIP RINGS

21

600A

TOP, RIGHT PORTION

MINUTE, THE IGNITION SWITCH MUST BE

6A

POSITIVE SLIP RING

FUSE

RECEPTACLE

CYCLED OFF AND BACK ON TO START

IS NEAREST TO IRON

15A

EXCITER CIRCUIT

OF CONTROL PANEL

N

U

W

Y

810

215

ENGINE.

HOT LINE

HOT LOAD

LOWER,

CCW

RHEOSTAT

GND-E

LEAD 21A TO 21B

RIGHT OF

WINDING SPEC: ALT-214-2B

64+/-6.4 OHMS MAX

602B

3. AFTER ENGINE STARTS, FLASHING

WHITE LINE

WHITE LOAD

230 VOLT

CONTROL 214

.488 OHMS MAX AT 25C

CURRENT IS SUPPLIED TO THE ENGINE

6A

RECEPTACLE

PANEL

602A

42

41

ALTERNATOR.

820

810

115 VOLT CIRCUIT

GND-T

J8

11C

LEAD 810 TO 820

4. AFTER ONE MINUTE, TIMER IS TIMED

GND-S

EXCITER STATOR

6

4

5

3

1

2

WINDING SPEC: ALT-214-2C

OUT. IF OIL PRESSURE IS LOW,

820

(ALTERNATOR)

.230 OHMS MAX AT 25C

P9

JUMPER PLUG IS

COOLANT TEMPERATURE IS HIGH OR

IN-LINE BOLTED CONNECTION

41

600

ALTERNATOR IS NOT CHARGING, THE

BEHIND CONTROL PANEL

115 VOLT CIRCUIT

602

42

G

WIRE-TIED UPBEHIND

ENGINE WILL SHUT DOWN AND THE

11B

GENERATOR LEAD BLOCK

LEAD 820 TO 830

LOCAL / REMOTE

ENGINE PROTECTION LIGHT WILL COME

SHOWN AS VIEWED WITH

WINDING SPEC: ALT-214-2D

Y

SWITCH ON RIGHT

ON.

844A

TOP, LEFT PORTION

ENGINE IN THIS DIRECTION

.424 OHMS MAX AT 25C

X

W

SIDEOF MACHINE

IDLE SOLENOID CIRUIT LOGIC

OF CONTROL PANEL

REMOTE

MOUNTED TO NEGATIVE

RECEPTACLE

1. WHEN THE ENGINE IS RUNNING IN HIGH IDLE

SELECTOR SWITCH

SERIES FIELD

SHUNT

LOCAL / REMOTE

BRUSH HOLDER

-

+

OR UNDER LOAD, THE SOLENOID IS NOT

90-MIN

FIELD

SWITCH

DIODE AND MOV ASSEMBLY

ENERGIZED.

2. IF NO AUXILIARY CURRENT DRAW OR WELD

130-80

+

-

FJW-5AP

SHOWN IN LOCAL

THIS CIRCUIT USES THE

190-120

POSITION

COIL PAIR:

RESIDUAL MAGNETISM OF

LOAD IS SENSED FOR 15 SECONDS AND THE

240-160

25.2 - 26.7

THE GENERATOR TO FLASH

IDLER SWITCH IS OPEN (AUTO), THE PULL AND

220-MAX

INTERPOLE

OHMS EACH

THE EXCITE THE ROTOR

HOLD COIL OF THE IDLER SOLENOID ARE

COILS

WHICH IN TURN PROVIDES

ENERGIZED. THE PULL COIL IS DE-ENERGIZED

THE EXCITATION FOR THE

AFTER HALF A SECOND.

GENERATOR

COMPONENT VALUE UNITS:

3. IF AN AUXILIARY CURRENT DRAW OR WELD

BACKOF OUTPUT STUD

WELDING

CAPACITOR: MFD/VOLTS

LOAD IS SENSED OR THE IDLER SWITCH IS CLOSED

BRUSH POSITION SHOWN AS

REED SWITCH

RESISTOR: OHMS/WATTS

(HIGH), THE IDLE SOLENOID IS DE-ENERGIZED.

VIEWED FROM CONTROL PANEL

GENERATOR

SWITCH CLOSES

_

CONNECTOR PIN NUMBERS:

WITH FLOW OF

+

WELDING CURRENT

EX. 12 PIN CONNECTOR

LEAD COLOR CODE:

LABELS:

GND-A

1 2

6

B-BLACK OR GRAY

NEGATIVE OUTPUT

POSITIVE OUTPUT

THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OWNED BY LINCOLN GLOBAL, INC. AND MAY NOT BE DUPLICATED, COMMUNICATED

G-GREEN

COMMON

TERMINAL

TERMINAL

PROPRIETARY & CONFIDENTIAL:TO OTHER PARTIES OR USED FOR ANY PURPOSE WITHOUT THE EXPRESS WRITTEN PERMISSION OF LINCOLN GLOBAL, INC.

R-RED OR PINK

TYPICAL OCV (WARM MACHINE):

MANUFACTURING TOLERANCE PER E2056

CONTROL: CLEVELAND

SCALE:

EQUIPMENT TYPE:

CLASSIC 300D (PERKINS

PAGE 1

OF 1

FRAME GROUND

UNLESS OTHERWISE SPECIFIED TOLERANCE:

7

12

U-BLUE

94-99.0 VOLTS AT MAX RHEOSTAT

UNDER LEFT DOOR

ON 2 PLACE DECIMALS IS ± .02 in. (± 0.5 mm)

DRAWN BY:

C. Kocsis

NONE

W-WHITE

ON 3 PLACE DECIMALS IS ± .002 in. (± 0.05 mm)

IF PRINTED

SUBJECT:

MACHINE SCHEMATIC

DOCUMENT

DOCUMENT

LATCH

EARTH GROUND

44-54.5 VOLTS AT MIN RHEOSTAT

ON ALL ANGLES IS ± .5 OF A DEGREE

@ A2 SIZE

NUMBER:

REVISION:

Y-YELLOW

MATERIAL TOLERANCE ("t") TO AGREE

ENGINEER:

D. BENDER

VIEW OF CONNECTOR ON PC BOARD

INCH

DISPOSITION: NA

DATE:

1/11/2008

NUMBER:

CRM37573

L13096

L13672

A

N-BROWN

DO NOT SCALE THIS DRAWING

APPROVED:

-

WITH PUBLISHED STANDARDS.

UNITS:

MATERIAL

APPROVAL

PROJECT

REFERENCE:

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.

CLASSIC® 300D & 300G