Lincoln Electric SVM175-A service manual L12213

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G-19

ELECTRICAL

DIAGRAMS

G-19

SCHEMATIC - ENTIRE MACHINE - CODE 11122 (L12213) PAGE 1 OF 2

L12213

E N G IN E ER IN G CO N TRO LLED

CHANGE DETAIL: RELEASED "A.02" FROM "X"

CHOPPER PC BOARD

M AN U FA C TU R ER : No

IGBT'S, FLYBACK DIODES AND

Rectifier mounted to generator support

R4 is located on front of

p/n

POSITIVE

Shunt

on back of positive

L11845-1

FILTER CAPACITORS ARE INTEGRAL

above output choke.

fan baffle near top of

SH UNT output terminal

TO CHOPPER MODULE AND NOT

D1 - THREE PHASE BRIDGE RECTIFIER

+COM

50MV= 400 AMPS

machine

INDIVIDUALLY REPLACEABLE.

OUTPUT

TERMINAL

206B

206S 204S

WELD CURRENT

B2 B5

10,000uF x4

Chopper is mounted on the back side of fan

206C 206A

FEED BACK SIGNAL

FLYBACK

+

baffle near top of machine. Requires added

W1

R4

baffle for cooling air flow.

BY-PASS

WIREFEEDER

DIODES (6)

DC BUS VOLTAGE

60 TO 65 VAC PHASE TO PHASE

50 OHM

BETWEEN W1, W2 AND W3

Located on back of

PC BOARD

208C

21

VOLTMETER

100 W

FILTER

output panel

POLARITY

CAPACITORS (4)

90+/-10VDC @ HI IDLE

AT HIGH IDLE

between terminals

208

208A

SWITCH

IGBT (8)

W2

NEGATIVE

-OUTPUT

B3

E

B1

-INPUT

TWO POLE 3600 RPM ALTERNATOR

L1 CHOKE

2 TURNS

C

OUTPUT

B6

B4

PWM Signal to Chopper

Choke is beneath bearing end

THRU

Power Supply

GATE SIGNAL

W3

TERMINAL

of generator on support.

FERRITE

B7

B8

15 volt @ 20 kHz

C

Open Circuit Volts:

L6

L3

to Control

CC

Max

Min

2 TURNS

L5

Board

Rotor Flashing: +12 volts

TO AUX.

D

C3 and D3 located on rear of fan baffle

TWISTED

TWISTED

A-B-C 400 VAC, 3 PH.

58

58

2 TURNS

THRU

R3 located on front of fan baffle

on left side of machine.

CV

58

58

FERRITE

PAIR

TWISTED

PAIR

@ 0.5 amps

A

A-5

230 VAC, 1 PH.

SLIP RINGS

Pipe

58

26

THRU FERRITE

until generator builds up

on left side near bottom of

OUTLETS

B-5

200

Tig

12

12

Control Board senses Weld Output

PAIR

then +50 volts @ 0 amps.

machine

5

C-5

200A

50 V DC

+

13 (J3-8)

14 (J3-16)

25 (J3-9)

23 (J3-10)

R3 25 OHM

D-E 115 VAC, 1 PH.

ROTOR FLASHING

AND

E

CENTER-TAP

C3

D

from Current Feedback Shunt

204S (J6-1)

(J2-1)

200N

B

41

EARTH

to activate idler.

206S (J6-2)

LOW IDLE SOLENOID HOLD COIL (0V @ LOW IDLE)

AMPHENOLS

800uf

3

ARC VOLTAGE FEEDBACK SIGNAL

208B (J3-15)

Control board common is

(J2-5) 215

42 VOLT AC

150vdc

+15V @ LOW IDLE TO PULL COILBOARD

(VIA CIRCUIT

201

10 V

77 (J7-1)

at welder positive output

(J2-4) 404

WIRE FEEDER

5H

OUTPUT

and shunt

BREAKERS)

POWER

R1

0-10 V

76 (J7-4)

WELD CONTROL

0 V

Swich closed for high

42

CONTROL 10K

0 V

(J3-14) 252

idleIDLER. SWITCH

2 TURNS THRU

75 (J7-5)

15 V L2

REVOLVING FIELD

10 V

PC BOARD

(J3-7) 251

2A

FERRITE

42 VOLT AC

REMOTE

77A (J1-11)

P/N G4107-1

(J1-4) 2

15 V

(TO AMPHENOL)

FIELD RESISTANCE

(TO AMPHENOL)

WELD TERM. SW.

POWER FOR

APPROX. 5 OHMS @ 75F

CONTROL 10K

-15 V (W/O POT.) 76A (J1-14)

Located on front of fan

(J1-3) 4

0 V

CV

ROTOR FIELD CIRCUIT

0 V

75A (J1-10)

baffle near top of

(J7-9) 214

4A

(TO AMPHENOL)

Relay CR1 and D4 located on fron

279 (J7-6)

machine.

(J7-14) 218

PIPE

MODE

7

ARC

baffle on right side of machine.

R2

(J7-15) 220

CC

SWITCH

CONTROL 10K

278 (J7-7)

TIG

9

TOROID-

277 (J7-8)

(J7-16) 222

SENSES AC

260A (J3-4)

+12 to 14V @ NORMAL OIL PRES. (INPUT)

IDLE SOLENOID

ENERGIZED FOR

POWER TO

261A (J3-3)

(J2-9) 224B

ACTIVATE

+12 to 14V @ RUN (INPUT)

210

LOW IDLE

IDLER

(J2-7) 210B

GLOWPLUG

GLOWPLUG SWITCH ENERGIZES

J72-3

(J1-7) 305

IF COOLANT TEMP SWITCH OR OIL PRESSURE SWITCH

P72-3

Located on wiring behind

SWITCH S7

GLOWPLUGS

ELECTRIC FUEL PUMP AND FUEL

CLOSE, CR1 ENERGIZES OPENING CONTACTS AND

receptacles.

(J1-12) 305

SOLENOID HOLD COIL THRU D4. IT

SHUTTING OFF FUEL SOLENOID TO STOP ENGINE.

IDLE BLACK

Control board circuits associated with J2 are part

5K (J2-3)

(J4-1 to 10)

ALSO FUNCTIONS AS AN ENGINE

ENGINE

YELLOW

SOLENOID

(J5-1 to 10)

223

PROTECTION BYPASS UNTIL OIL

PULL

of engine electrical system and are common to

All leads

All leads

305 I.D. JUMPER (Part

PRESSURE BUILDS UP.

PROTECTION

B

ENGINE

0.2 OHM

frame ground (negative battery terminal.

of amphenol plug and

15A BATTERY

RELAY

9

PROTECTION

WHITE

HOLD

L8

1 time thru

L7

1 time thru

lead assembly.)

S1

LIGHT

11 OHMS

RED

ferrite

ferrite

CIRCUIT BREAKER

212

RUN-STOP SWITCH

CR1

PL

P72-4 P72-2

215

WELD AMMETER

WELD VOLTMETER

209

3

1

J72-4 J72-2

(SHOWN IN RUN)

A

232

Meters display setpoint volts or amps when not welding.

210

Meters display actual volts and amps when welding.

210

Hold function displays actual volts and mpsa for

START BUTTON

224

+

approximately 5 seconds after welding stops.

211

During this hold display theright most decimal point will

2 TURNS THRU

SWITCH S2

FUEL SOLENOID PULL

HOUR METER

blink.

FERRITE

D4

J

31

209

COIL IS ENERGIZED BY

+15V @ LOW

NO CONNECTION

STARTER SOLENOID.

231

IDLE

A

32

209

J73-4

J73-2

225

229

404 (J43-8)

B2

42VAC

I

41A

J74

K

42A

STARTER

P73-4

P73-2

REMOTE

A

77B

WORK

H

21

+

WHITE

FUEL

RED

P74

TIMER

REMOTE

E

77A

77B

L4

BAT

12 VOLT

SOLENOID

SOLENOID

CIRCUIT

B1

CONTROL

B

76B

F

76A

IGN

PULL

ELECTRIC

C

75B

CONTROL

76B

INPUT TO

L

BATTERY

STARTER

0.2 OHM

FUEL

PULL COIL

CONTACTOR

G

75A

75B

HOLD

PUMP

D

2B

D

4A

4B

AMPHENOL

ALTERNATOR

FRAME

MOTOR

11 OHMS

OIL PRESSURE

COOLANT

PC BOARD

E

4B

C

2A

P73-3

BLACK

FUEL

P74

P/N

B4

GROUND

F

GND-B

GROUND

2B

Battery voltage:

GROUND

SOLENOID

SWITCH

TEMPERATURE

L11768-1

B

GND-A

4

1

12.6 volts at rest

J73-3

J74

(CLOSES ON

SWITCH

Located next to

AMPHENOL

AMPHENOL

AND FUEL

control board.

FUEL

14 volts engine

PUMP

LOW OIL

(CLOSES ON HIGH

FUEL SENDER

running

ENERGIZED

PRESSURE)

TEMPERATURE

GAUGE

FOR RUN

ABOVE 230F)

240-265 OHMS EMPTY

THIS D O C UME NT C O NTAINS PR

OP RIETARY INF O RMATION

O W NE D BY

LINC OLN GLOBAL, INC. A N D MAY

N OT BE D

UPLICATE

D, COMMU NICATE

D

PROPRIETARY & CONFIDENTIAL:TO OT HE R PARTIES O R USE D F O R ANY PU RP OSE WIT H O UT T HE EX PRESS W RITTE N PE RMISSION OF LIN C OLN GLOBAL, INC.

20-35 OHMS FULL

UNLESS OTHERW ISE SPEC IF IE D TOLERAN

CE

DESIGN INFORM ATION

REFERENCE: EQUIPMENT TYPE:

RANGER 305D CE (UK)

1

2

MANUFAC TURIN G TOLERANCE PER E205

6

E

ON 2 PLAC

E DECIMA LS IS ± .02

DRAW N BY:

DEO

L12039

PA GE ___ O F ___

G

ON 3 PLACE DECIMALS IS ± .002

SUBJECT:

MACHINE SCHEMATIC

DOCUMENT

DOCUMENTD

ON ALL ANG

LES IS ± .5 OF A DEGREE

ENGINEER:

BAM

SCALE:

NUMBER:

REVISION:

E

EN -168

MA TERIA L TOL ERANCE ("

t ") TO AGREE

APPROVAL

WITH PUB

LISHED S TANDARDS.

APPRO VED:

-

NONE

MATERIAL

12/11/2003

PROJECT

CRM35573

L12213

A

SOLID

DO NOT SCALE THIS DRAW ING

DISPOSITION: UF

DATE:

NUMBER:

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

RANGER 305D