Lincoln Electric SVM175-A service manual L12212

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G-13

ELECTRICAL

DIAGRAMS

G-13

SCHEMATIC - ENTIRE MACHINE - CODE 11121 (L12212) PAGE 1 OF

2

L12212

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

B5 10,000uF x4

TERMINAL

206B

206S 204S

WELD CURRENT

B2

Chopper is mounted on the back side of fan

206C 206A

FEED BACK SIGNAL

FLYBACK

+

baffle near top of machine. Requires added

R4

baffle for cooling air flow.

BY-PASS

WIREFEEDER

DIODES (6)

DC BUS VOLTAGE

50 OHM

W1

Located on back of

PC BOARD

208C

21

VOLTMETER

100 W

FILTER

output panel

POLARITY

CAPACITORS (4)

90+/-10VDC @ HI IDLE

60 TO 65 VAC PHASE TO PHASE

between terminals

208

208A

SWITCH

IGBT (8)

BETWEEN W1, W2 AND W3

NEGATIVE

-OUTPUT

B3

E

B1

-INPUT

AT HIGH IDLE

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

W2

TERMINAL

of generator on support.

FERRITE

B7

B8

15 volt @ 20 kHz

Open Circuit Volts:

L6

L3

to Control

CC

Max

Min

2 TURNS

L5

Board

Rotor Flashing: +12 volts

W3

3

C3 and D3 located on rear of fan baffle

58

58

2 TURNS

THRU

TWISTED

TWISTED

TWISTED

TO AUX.

CV

58

58

FERRITE

@ 0.5 amps

120 V AC

SLIP RINGS

on left side of machine.

Pipe

58

26

THRU FERRITE

PAIR

PAIR

PAIR

until generator builds up

R3 located on front of fan baffle

240 V AC

5

200

Tig

12

12

Control Board senses Weld Output

13 (J3-8)

14 (J3-16)

25 (J3-9)

23 (J3-10)

then +50 volts @ 0 amps.

on left side near bottom of

OUTLETS

200A

50 V DC

D +

ROTOR FLASHING

R3 25 OHM

machine

120 V AC

GND E

from Current Feedback Shunt

204S (J6-1)

(J2-1) 200N

AND

41 6

C3

to activate idler.

206S

(J6-2)

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

800uf

3

ARC VOLTAGE FEEDBACK SIGNAL

208B (J3-15)

Control board common is

(J2-5) 215

AMPHENOLS

42 VOLT AC

201

150vdc

10 V

77 (J7-1)

at welder positive output

(J2-4) 404

+15V @ LOW IDLE TO PULL COILBOARD

(VIA CIRCUIT

WIRE FEEDER

OUTPUT

R1

0-10 V

and shunt

0 V

Swich closed for high

BREAKERS)

POWER

42

5H

CONTROL 10K

0 V

76 (J7-4)

WELD CONTROL

(J3-14) 252

idleIDLER. SWITCH

75 (J7-5)

15 V L2

2 TURNS THRU FERRITE

REVOLVING FIELD

10 V

PC BOARD

(J3-7) 251

2A

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

IF COOLANT TEMP SWITCH OR OIL PRESSURE SWITCH

Located on wiring behind

(J1-7) 305

SWITCH S7

GLOWPLUGS

ELECTRIC FUEL PUMP AND FUEL

CLOSE, CR1 ENERGIZES OPENING CONTACTS AND

P72-3

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

Meters display setpoint volts or amps when not welding.

210

(SHOWN IN RUN)

A

232

Meters display actual volts and amps when welding.

210

Hold function displays actual volts and mpsa for

START BUTTON

+

approximately 5 seconds after welding stops.

224

During this hold display theright most decimal point will

2 TURNS THRU

SWITCH S2

211

FUEL SOLENOID PULL

blink.

HOUR METER

FERRITE

D4

115VAC

J

31

209

COIL IS ENERGIZED BY

+15V @ LOW

STARTER SOLENOID.

231

225

IDLE

A

32

209

J73-4

229

404 (J43-8)

B2

42VAC

I

41A

J73-2

K

42A

STARTER

P73-4

P73-2

J74

REMOTE

A

77B

WORK

H

21

+

WHITE

FUEL

RED

TIMER

REMOTE

E

77A

77B

L4

BAT

12 VOLT

SOLENOID

SOLENOID

P74

CIRCUIT

B1

CONTROL

B

76B

F

76A

IGN

PULL

ELECTRIC

C

75B

CONTROL

76B

INPUT TO

L

BATTERY

STARTER

0.2 OHM

PULL COIL

2B

CONTACTOR

G

75A

75B

HOLD

FUEL

D

D

4A

4B

AMPHENOL

ALTERNATOR

FRAME

MOTOR

11 OHMS

PUMP

COOLANT

PC BOARD

B4

GROUND

E

4B

GROUND

C

2A

P73-3

BLACK

FUEL

P74

OIL PRESSURE

P/N

F

GND-B

B

GND-A

2B

Battery voltage:

GROUND

SOLENOID

SWITCH

TEMPERATURE

L11768-1

AMPHENOL

AMPHENOL

4

1

12.6 volts at rest

J73-3

AND FUEL

J74

(CLOSES ON

SWITCH

Located next to

FUEL SENDER

14 volts engine

PUMP

LOW OIL

(CLOSES ON HIGH control board.

FUEL

running

ENERGIZED

PRESSURE)

TEMPERATURE

GAUGE

FOR RUN

ABOVE 230F)

240-265 OHMS EMPTY

PROPRIETARY & CONFIDENTIAL: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

20-35 OHMS FULL

UNLESS OTHERW ISE SPEC IF IE D TOLERAN

CE

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.

DESIGN INFORM ATION

REFERENCE: EQUIPMENT TYPE:

RANGER 305D

PA GE

1

2

MANUFAC TURIN G TOLERANCE PER E205

6

E

ON 2 PLAC

E DECIMA LS IS ± .02

DRAW N BY:

DEO

L11946

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

L12212

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