Lincoln Electric SVM194-A service manual Schematic Complete Machine Codes 11110, 11111 L12412

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G-14	ELECTRICAL DIAGRAMS	G-14
SCHEMATIC - COMPLETE MACHINE - (CODES 11110, 11111) (L12412)

Section Master

L12412	ENGINEERING CONTROLLED		CHANGE DETAIL: SLIP RINGS, CHANGED POSITIVE TO NEGATIVE
	MANUFACTURER:	No

K924-5 REMOTE CONTROL

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Section TOC Master TOC

CENTER OF CONTROL PANEL					IDLER / ENGINE PROTECTION PC BOARD
12 VOLT - NORMALLY OFF
RED ENGINE					LOCATED BEHIND UPPER PORTION OF CONTROL PANEL
PROTECTION	60C		61	J1-4		SCHEMATIC G4828-1
LIGHT						ENGINE
					N.C.	SHUTDOWN
RIGHT SIDEOF ENGINE
BYINJECTION PUMP					N.O.
INJECTION	GND-C		58	J1-9		FLYBACK
PUMP				ENGINE		DIODES
SOLENOID
		58H		RUNNING
APPROXIMATE
RESISTANCE: 3.3 OHMS
TYPICAL CURRENT DRAW: 3.3A
RIGHT SIDEOF ENGINE
BYOIL FILLER
FUEL PUMP						ENGINE
APPROXIMATE						PROTECTION
RESISTANCE: 3-4 OHMS						CIRCUITS (SEE
TYPICAL CURRENT DRAW: 3A						BELOW FOR
						LOGIC)
	60	+	93	J1-10
HOUR METER
CENTER OF				J1-5
CONTROL PANEL		UNUSED		J2-1
				J2-2

THIS LEAD PROVIDES FLASH

BACK, LEFT SIDEOF ENGINE

FOR ALTERNATOR AND

55 AMP / 12 VOLT

AMMETER SHOWS FULL

SENSES ALTERNATOR OUTPUT

ALTERNATOR

GLOW PLUG

DISCHARGE WHILE PRESSING

GLOW PLUG SWITCH

J1-3

59

FLASH

SWITCH

BACK, RIGHT SIDEOF ENGINE

53

BAT

B3

55

WHITE

PULL COIL

IDLE SOLENOID

BAT

51C

J1-8

57

RED

TYPICAL CURRENT DRAW AND

HOLD COIL

RESISTANCE:

-40 TO 40 AMPS

AMMETER

BLACK

HOLD COIL: 1A, 10-15 OHMS

51

+

-

212E

PULL COIL: 40A, LESS THAN .1 OHM

51G

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"

50

CONTROL PANEL

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 CLOSES

SENDER OPERATION:

STARTER

+

AT 230v+/-6vF

140vF -> 134+/-13.5 OHMS 212B CONTROL PANEL

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

S

MOTOR

AT REST

J1-7

200

I

OIL PRESSURE

54

14-14.5 VOLTS

WK

G

G

GAUGE

WHILE RUNNING

LOWER LEFT OF

CONTROL PANEL

(OPTIONAL)

REMOTE CONTROL PLUG

G

Y

X

W25+/-1.25 OHMS EACH

CCW

64+/-6.4 OHMS MAX

RHEOSTAT

REMOTE CONTROL BOX

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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

MODULE HAS A HARNESS THAT PLUGS

ON NEWER BOARDS,

12 11 10

9 8 7

6 5 4

3

2

1

1. UPON RECIEVING POWER FROM THE

SHOWN IN "AUTO

DIRECTLY INTO J5.

JUMPER PLUG IS FOR CONNECTION

844

GND-B

J1 BECOMES J31, J2 BECOMES J32,

IGNITION SWITCH, THE FUEL SOLENOID,

IDLE" POSITION

B5 AND B6 TERMINALS ARE DELETED.

J5

TO WIRE FEED MODULE

IDLER SWITCH

FUEL PUMP AND HOUR METER ARE

400D

48

JUMPER PLUG ISWIRE-TIED UP

ENERGIZED.

400E

WINDING SPEC: ALT-241-3A

DC EXCITER

+

610

BEHIND LOCAL / REMOTE SWITCH ON

2. ENGINE PROTECTION IS BYPASSED

+

RIGHT SIDEOF MACHINE(ASVIEWED

FOR ONE MINUTE TO ALLOW OIL

20A

15A

40.5 - 42.5 OHMS AT 25C

610A

AC DIODE

610

N

U

W

Y

FROM CONTROL PANEL)

PRESSURE BUILDUP. ENGINE MUST BE

CB1

CB3

AC

STARTED WITHIN ONE MINUTE OF

11A

EXCITER REVOLVING

-

LOWER, RIGHT SIDEOF CONTROL PANEL

TURNING IGNITION SWITCH ON OR THE

FIELD (ROTOR)

600C

-

600B

FUEL SOLENOID, FUEL PUMP AND HOUR

400F 115 VOLT GFCI

7A

SLIP RINGS

21

600A

TOP, RIGHT PORTION

METER WILL TURN OFF. AFTER ONE

NEGATIVE SLIP RING

FUSE

RECEPTACLE

MINUTE, THE IGNITION SWITCH MUST BE

IS NEAREST TO IRON

15A

215

EXCITER CIRCUIT

OF CONTROL PANEL

N

U

W

Y

CYCLED OFF AND BACK ON TO START

HOT LINE

HOT LOAD

LOWER,

CCW

RHEOSTAT

LEAD 21A TO 21B

ENGINE.

230 VOLT

RIGHT OF

WINDING SPEC: ALT-214-2B

64+/-6.4 OHMS MAX

602B

WHITE LINE

WHITE LOAD

CONTROL 214

.488 OHMS MAX AT 25C

3. AFTER ENGINE STARTS, FLASHING

GND-E

RECEPTACLE

PANEL

42

41

CURRENT IS SUPPLIED TO THE ENGINE

6A

810

115 VOLT CIRCUIT

J8

602A

ALTERNATOR.

GND-T

11C

15A

LEAD 810 TO 820

GND-S

EXCITER STATOR

4. AFTER ONE MINUTE, TIMER IS TIMED

CB2

WINDING SPEC: ALT-214-2C

6

4 5 3

1

2

820

(ALTERNATOR)

.230 OHMS MAX AT 25C

P9

41

JUMPER PLUG IS

OUT. IF OIL PRESSURE IS LOW,

IN-LINE BOLTED CONNECTION

COOLANT TEMPERATURE IS HIGH OR

BEHIND CONTROL PANEL

115 VOLT CIRCUIT

42

G

600 WIRE-TIED UPBEHIND

ALTERNATOR IS NOT CHARGING, THE

11B

LEAD 820 TO 830

602

LOCAL / REMOTE

ENGINE WILL SHUT DOWN AND THE

GENERATOR LEAD BLOCK

WINDING SPEC: ALT-214-2D

Y SWITCH ON RIGHT

ENGINE PROTECTION LIGHT WILL COME

844A

TOP, LEFT PORTION

SHOWN AS VIEWED WITH

.424 OHMS MAX AT 25C

X

W

SIDEOF MACHINE

ON.

ENGINE IN THIS DIRECTION

IDLE SOLENOID CIRUIT LOGIC

OF CONTROL PANEL

REMOTE

MOUNTED TO NEGATIVE

SELECTOR SWITCH

SERIES FIELD

SHUNT

RECEPTACLE

LOCAL / REMOTE

1. WHEN THE ENGINE IS RUNNING IN HIGH IDLE

-

+

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.

COMPONENT VALUE UNITS:

GENERATOR

CAPACITOR: MFD/VOLTS

3. IF AN AUXILIARY CURRENT DRAW OR WELD

BACKOF OUTPUT STUD

WELDING

LOAD IS SENSED OR THE IDLER SWITCH IS CLOSED

BRUSH POSITION SHOWN AS

RESISTOR: OHMS/WATTS

REED SWITCH

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

VIEWED FROM CONTROL PANEL

GENERATOR

SWITCH CLOSES

CONNECTOR PIN NUMBERS:

_

WITH FLOW OF

+

EX. 12 PIN CONNECTOR

LEAD COLOR CODE:

LABELS:

WELDING CURRENT

GND-A

1 2

6

B-BLACK OR GRAY

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

G-GREEN

COMMON

NEGATIVE OUTPUT

POSITIVE OUTPUT

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

R-RED OR PINK

TERMINAL

TERMINAL

MANUFACTURING TOLERANCE PER E2056

DESIGN INFORMATION

REFERENCE: EQUIPMENT TYPE:

1

1

UNLESS OTHERWISE SPECIFIED TOLERANCE

CLASSIC 300D PERKINS 404C-22

7

12

U-BLUE

FRAME GROUND

TYPICAL OCV (WARM MACHINE):

ON 2 PLACE DECIMALS IS ± .02

DRAWN BY:

DM / DFM

L12020

PAGE ___ OF ___

W-WHITE

UNDER LEFT DOOR

ON 3 PLACE DECIMALS IS ± .002

SUBJECT:

MACHINE SCHEMATIC

DOCUMENT

DOCUMENT

LATCH

EARTH GROUND

94-99.0 VOLTS AT MAX RHEOSTAT

ON ALL ANGLES IS ± .5 OF A DEGREE

ENGINEER:

SCALE:

NUMBER:

REVISION:

Y-YELLOW

J.STAPP

VIEW OF CONNECTOR ON PC BOARD

44-54.5 VOLTS AT MIN RHEOSTAT

MATERIAL TOLERANCE (" t") TO AGREE

CRM22115-FZ

L12412

C

N-BROWN

DO NOT SCALE THIS DRAWING

APPROVED:

NA

DISPOSITION: UF

DATE:

09/21/2006

NUMBER:

WITH PUBLISHED STANDARDS.

MATERIAL

APPROVAL

PROJECT

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

CLASSIC® 300D & 300G