Lincoln Electric SVM179-B service manual WiriNG DiaGram lN-25 prO CODEs 11507, 11508 G5681-1

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G-3

ElECTriCal DiaGrams

G-3

WiriNG DiaGram - lN-25 prO - CODEs 11507, 11508 (G5681-1)

 

 

WIRING DIAGRAM LN-25 PRO

ANALOG DISPLAY CASE FRONT

 

YELLOW

 

 

 

WIRE FEED SPEED

1W

1B

THERMAL

 

 

 

POLARITY 2W 2B LED

TRIGGER

S1

 

S2

509D

509D

 

 

INTERLOCK /

509E

CC / CV

 

509C

2 STEP

587A

 

523A

N.B., N.F.

N.B.

 

 

 

 

 

SHOWN IN 2 STEP

SHOWN IN CV

 

 

 

 

P16

 

 

N.B.

S3

509C

1

 

509

COLD

587A

2

 

587

509E

523A

3

 

523

FEED

530A

530A

4

 

530

 

N.O.

 

 

1

601

 

 

 

 

 

 

 

 

2

509B

 

 

 

P60

3

 

 

FEED

 

4

4B

 

PLATE

 

 

5

605

 

 

 

 

6

606

 

 

TACH

 

7

608

 

 

 

8

607

 

MOTOR /

R

 

 

 

 

GEARBOX

U

 

 

CONNECTS

 

 

B

 

 

TO TIMER

 

 

 

 

 

KIT

 

W B

 

 

 

 

 

 

P9

 

 

 

 

 

1

 

 

 

509A

509 530 523 509A 707 500 2W 3B

612 587 708 610 622 1W

509B

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

J6

FLEX

CONNECTS TO J8

ON PRESET P.C. BD.

CONTROL P.C. BOARD

1

2

3

4

5

6

7

8

9 10

 

J1

1

2

3 4

J2 5

6

7

8

9 10

601

606

608

605

EXTRA TORQUE

S4

GAS PURGE

PUSHBUTTON

SWITCH

612 N.O. 610

N.B.

GAS

SOLENOID

690

N.E.

691

CONTROL RHEOSTAT

LED

10K2W

N.A.

R1

 

N.A.

 

R

2

531

L4

 

3

CONNECTS TO

U

4

537

 

B

5

534

L5

P7 ON CASE

 

6

 

J5

 

 

1

 

 

2

J4

 

3

J3

4

 

 

 

5

ARC

VOLTMETER

577A 576A 575A

CONNECTS TO J7 ON HARNESS

FRONT

B

7

551

 

W

8

550

1 2 3 4 5 6 7 8

 

 

 

 

 

 

 

 

 

6

BLACK

-

1

2

3

4

5

6

7

8

9 10 11 12

7

 

FAN

 

 

 

 

 

 

 

 

 

8

RED

+

TOC

TOC

VM +

721 667B

TRIGGER

CONNECTOR

A 622A

P14 B 500A

C

D

E21A

BRIDGE

RECTIFIER

721

1

 

 

1

721A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

500A

2

 

 

2

500

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

622A

3

 

 

3

622

667

2A

721A

67F

550

690

507

537

531

575

4

 

 

4

 

4A

21D

621

551

691

577

578

534

576

575A

5

 

 

5

707

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

6

575

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

576A

7

 

 

7

576

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

577A

8

P7

J7

8

577

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

9

708

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

10

75C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO WORK CLIP

21B

AC

+

667A

667B

 

 

 

 

 

-

 

AC D1

 

N.D.

 

621A

 

67B

 

 

 

 

 

 

11

 

11

76C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1B

12

 

12

77C

 

 

3B

 

 

 

 

 

 

 

21D

 

 

 

 

 

507

578

CONTACTOR COIL

 

67F

 

 

 

13

 

13

1B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

67C

 

 

 

1W

14

 

14

1W

 

 

 

 

 

 

 

 

 

 

21E

CURRENT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

 

 

 

 

 

 

 

 

 

 

 

2B

15

 

15

2B

 

 

4B

 

 

 

 

 

 

21C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRANSDUCER

 

 

 

 

 

 

 

 

 

 

 

2W

16

 

16

2W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

67D

67E

 

INPUT ELECTRODE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECTS TO J17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON HARNESS 67B

1

 

1

67C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J11

 

 

 

 

 

 

 

 

 

 

CABLE CONNECTION

 

2

 

2

667C

 

 

 

 

667

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

667A

3

P17

J17 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTACTOR

 

NOTES:

 

 

 

 

 

 

 

 

 

21A

4

4

21C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N.A. PIN NEAREST THE FLAT EDGE OF LED LENS (ANODE) ALIGNS WITH WHITE

 

 

 

 

 

 

 

 

 

 

76C 21E 4A 42

 

 

 

 

 

 

 

621A

5

 

5

621

 

 

 

 

 

 

1

 

 

 

 

 

 

 

N.D.

 

LEAD OF LED SOCKET.

 

 

 

 

 

6

 

6

 

 

 

 

 

J18

42

 

67E 75C 77C 2A 41

 

 

N.C.

 

 

 

 

N.B. TOGGLE SWITCHES SHOWN FROM REAR CONNECTION SIDE OF SWITCH.

 

 

 

 

 

 

667D

L7

667E

 

2

J15

 

 

 

 

 

 

 

 

 

N.C. PRESENT ON CONTROL CABLE MODELS ONLY.

 

 

 

 

 

 

CONNECTS TO P17

 

CONNECTS TO P18

3

41

1 2 3 4 5 6 7 8 9 10

 

 

 

 

 

 

 

N.D. PRESENT ON ACROSS THE ARC MODELS ONLY.

 

 

 

 

 

ON CASE FRONT

 

 

ON CASE FRONT

4

 

 

 

 

 

 

 

 

 

 

 

N.E. CONNECT "EXTRA" TO "TORQUE" ON EXTRA TORQUE MODELS ONLY.

 

 

 

 

TIMER KIT (OPTIONAL)

 

 

14 PIN CIRCULAR CONNECTOR

 

J19

 

CONNECTS TO 14 PIN

 

N.F. NOT PRESENT ON ALL MODELS.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO POWER SOURCE

 

A

 

 

CIRCULAR CONNECTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POST-FLOW

 

J60

BURNBACK

 

 

 

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

67

 

 

 

2

B

 

 

 

 

 

 

 

 

D

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

OUTPUT

 

 

 

 

 

 

J14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 2 3 4 5 6 7 8

 

2

75D

 

 

 

4

D

CONTROL

 

 

 

 

 

 

 

C

 

B

 

CAVITY NUMBERING SEQUENCE

 

 

 

 

 

 

3

 

 

 

77D

E

REMOTE

 

 

 

 

 

 

 

 

 

 

 

(VIEWED FROM COMPONENT SIDE OF P.C. BOARD)

 

 

 

 

 

 

 

 

P15

4

76D

 

 

 

76D

F

VOLTAGE

GENERAL INFORMATION

 

 

 

 

 

 

 

 

 

 

 

 

 

5

77D

 

 

 

75D

G

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

601

605 608

 

 

 

 

 

ELECTRICAL SYMBOLS PER E1537

 

 

 

 

 

1

2

1

3

1

4

 

 

 

 

 

6

21F

 

 

 

21F

H

 

 

A

J

 

 

J11, J16, J18

 

J12, J17

 

J3, J5, J9, J60

 

 

 

 

 

509B 4B 606 607

 

7

2

L6

 

 

41A

I

 

 

LEAD COLOR CODING

 

I

 

 

 

 

 

 

 

 

 

 

 

42VAC

 

 

B

K

H

3

4

4

6

5

8

 

 

 

 

 

 

 

 

8

4

 

 

42A

J

 

B - BLACK

 

 

J12

N

 

 

 

 

 

 

 

 

9

41A

 

 

 

K

 

 

 

 

C L

 

G

1

5

1

6

1

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

42A

 

 

 

 

L

 

 

W - WHITE

 

 

D

M

 

J1, J2, J8, J15

 

J4

 

J6, J7, J10

 

 

 

 

TO P60 ON

 

 

 

 

 

 

 

 

67

M

 

 

 

 

 

 

 

 

 

E

F

 

6

10

7

12

9

16

 

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HARNESS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

G5681-1

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine.

lN-25™ prO

Page 80 Page 82
Image 81
Page 80 Page 82
Contents LN-25PRO Wire Feeder LN-25 PRO SafetyElectric Shock can kill ARC Rays can burn Welding Cutting For ElectricallyIii Sûreté Pour Soudage a L’Arc Précautions DE SûretéMaster Table of Contents for ALL Sections Table of Contents Installation Section Installation High Frequency Protection Safety PrecautionsLocation ELECTRIC SHOCK can KillCable Connections Wire Drive ConfigurationShielding GAS Connection Changing the GUN Receiver BushingWire Guides Procedure to Install Drive RollsPressure ARM Adjustment Loading Spools of WireGUN Connection Power Source to LN-25 PRO Cable Connection Diagrams Across the ARC SET-UPSDescription Figure A.7 Table of Contents Operation Section Operation Safety PrecautionsGeneral Description Wire Feed Speed Knob DescriptionAnalog Voltmeter Figure B.2 Wire Feed Speed, CC Operation See Figure B.2 orTable B.2 VV CC Wire Speed Setting Figure B-3 Constant Current VS Constant Voltage Wire WeldingWire Feed Speed Range Switch K2613-5 and K2613-7 only PIN GUN Trigger Connector See Figure B.1Work Sense Lead Thermal LED, Motor Overload See Figure B.1Figure B.4 Internal ControlsCV/CC Switch Step Trigger Interlock SwitchInternal Controls Description Cold Feed PushbuttonPreflow Timer Optional PREFLOW, Burnback Postflow Timer KIT K2330-2Figure B.5 Rear ControlsGAS Purge Pushbutton POWER-UP SequenceFlow Meter ScfhLN-25 PRO Table of Contents Accessories Section Factory Installed Equipment AccessoriesWire Type Drive Roll KitsAccessories Accessories K435 Spindle Adapter, for mounting Installation of the K590-6 Water Cooling KIT Table of Contents Maintenance Section Routine Maintenance MaintenancePeriodic Maintenance Calibration SpecificationWire Feed Speed CoverBoard Figure D.3. Major Component Location Control Board 1TABLE of CONTENTS-THEORY of Operation Section E-1Figure E.2 General Description Theory of OperationTRIGGER CIRCUIT Input PowerFigure E.4 Feedback & Control Circuits Feedback and Control CIR- CuitsFigure E.5 Optional Circuits & Digital Display Board Optional CircuitsLN-25 PRO Table of Contents Troubleshooting & Repair HOW to USE Troubleshooting Guide Troubleshooting & RepairPC Board Troubleshooting Procedures Fault Code Description Possible Adjustment Motor Solenoid Test Problems Symptoms Possible Areas MisadjustmentsRecommended Course of Action LN-25 PRO Case Removal Procedure Test DescriptionMaterials Needed Figure F.1 Case Removal ProcedureGAS Solenoid Test GAS Solenoid Control BOX Control BOX Cover Contactor Test Control BOX Contactor Drive Motor and Tach Feedback Test Case Control BOX Assembly Motor Overload Test Figure F.5 Control BOX Assembly Contactor Removal and Replacement Procedure Figure F.6 Control BOX Removal ProcedureFigure F.7 Buss BAR and Mounting Block Replacement ProcedureLN-25 PRO Front Panel Removal and Replacement Procedure Front Panel Troubleshooting & Repair Gas Hose Control BOX Wire Drive Panel Drive Gear Cover LN-25 PRO PC Board Removal and Replacement Procedure Figure F.11 Control PC Board Location PC BOARD Removal and Replacement ProcedureGAS Solenoid Removal and Replacement Procedure GAS Solenoid GAS Hose Control BOX Lock NUT Retest After Repair SET UPRetest a machine Operation Verification LN-25 PRO Table of Contents Diagram Section Wiring Diagram LN-25 PRO WiriNG DiaGram lN-25 prO CODEs 11507, 11508 G5681-1 Wiring DIAGRAM- LN-25 PRO Analog WiriNG DiaGram lN-25 prO CODEs 11746, 11747 G5681-3 G5683 LN-25 PRO Wire FeederLN-25 PRO Wire Feeder ElECTriCal DiaGrams G5683-1 Pushbutton LN-25 PRO Analog G5683-2G5683 G5683-3 Circuitryconfidential Equipmenttype Xres RXD Work 624 4783-1C0 Flexiblepowerfeede R 50V OF05 Circuitryconfidential S27505-1B0 R2 CW
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