Lincoln Electric SVM179-B service manual WiriNG DiaGram lN-25 prO CODEs 11746, 11747 G5681-3

Page 83

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G-5

ElECTriCal DiaGrams

G-5

WiriNG DiaGram - lN-25 prO - CODEs 11746, 11747 (G5681-3)

 

 

WIRING DIAGRAM- LN-25 PRO ANALOG

MOTOR FILTER P.C. BOARD

J61

 

 

 

YELLOW THERMAL LED

POLARITY

LED

TRIGGER

S1

 

S2

 

509D

 

509D

INTERLOCK /

509E

CC / CV

509C

 

2 STEP

587A

523A

 

N.B.

N.B.

 

 

 

 

(SHOWN IN 2 STEP)

(SHOWN IN CV)

 

N.B.

 

 

P16/J16

 

S3

509C

1

509

COLD

587A

2

587

509E

523A

3

523

FEED

530A

530A

4

530

 

N.O.

 

1

601

 

 

 

 

 

 

2

509B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

1 2 3 4 5 6 7 8 9 10

1 2 3 4

667D B1

667E B2

1

601

2

606

3

608

4

 

to Section TOC

to Master TOC

1W 1B

N.A.

2W 2B

N.A.

 

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

 

 

 

 

P20/J20

 

 

J6

J1

B2

CONTROL P.C. BOARD

B1

J2

5

605

N.D.

6

607

 

7

EXTRA

 

 

8

TORQUE

 

 

9

555

 

 

10

 

GAS PURGE

PUSHBUTTON

SWITCH

Return

Return

WFS RANGE

SWITCH S5

N.B.

ARC

VOLTMETER

622B 555A

VM +

TRIGGER

 

CONNECTOR

WIRE FEED SPEED

CONTROL

POTENTIOMETER

10K2W

R1

577A 576A 575A

 

P7/J7

721

1

500A

2

 

1

 

 

R

2

531

L4

3

U

4

537

 

B

5

534

L5

B

6

551

7

 

W

8

550

 

721A

 

 

 

500

 

 

 

J5J4

1

2

3 4

5

6

7 8

1

2

3

4

5

6

7

8

9 10 11 12

 

1

 

2

 

3

J3

4

 

5

 

6

 

7

 

8

612

N.O.

610

 

S4

 

N.B.

BLACK

-

 

FAN

RED

+

to Master TOC

721

667B

A

622A

 

P14

B

500A

 

C

 

 

 

D

 

 

 

E

 

WORK B

TO WORK CLIP

 

WORK A

 

 

BRIDGE

 

 

RECTIFIER

 

AC

+

667A

667B

 

 

-

AC D1

 

 

67B

555A

3

622A

4

575A

5

6

576A

7

577A

8

 

9

 

10

 

11

 

12

1B

13

1W

14

2B

15

555

 

622

 

707

 

575

 

576

 

577

 

708

 

75C

 

76C

 

77C

3B

1B

1W

4B

2B

667

2A

721A

67F

550

690

507

537

531

575

 

 

4A

821B 621

551

691

577

578

534

576

690

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GAS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SOLENOID

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

691

 

 

 

 

 

 

 

 

507

 

578

 

 

CONTACTOR COIL

67F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

67C

621A

2W

16

2W

TIMER KIT (OPTIONAL)

POST-FLOW

 

 

J60 BURNBACK

1

2

3

4

5

6 7

8

601

 

 

605

608

509B 4B

606

607

TO P60 ON

HARNESS

67B

1

67C

 

 

 

 

667A

2

667C

 

667

 

 

3

 

 

 

WORK A

4

821B

 

 

 

 

 

5

21E

 

 

1

 

621A

6

621

 

 

42

 

P17/J17

667D

667E

J18

2

 

 

 

 

3

41

 

 

 

 

 

4

 

NOTES:

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

LEAD OF LED SOCKET.

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

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

67D

67E

 

 

 

 

 

 

 

 

 

 

 

 

CONTACTOR

 

INPUT ELECTRODE

 

 

 

 

 

 

 

76C 21E

4A

42

 

CABLE CONNECTION

 

 

 

 

67E 75C 77C

2A

41

 

 

 

 

 

 

 

 

J15

1

2

3

4

5

6

7

8

 

9 10

 

 

CAVITY NUMBERING SEQUENCE

 

 

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

D

 

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

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

J14

B

 

1

2

1

3

 

 

 

 

 

 

 

 

 

 

 

 

C

J11, J16,

 

J12, J17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J18, J61

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

4

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

8

 

1

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J19

 

 

 

J3, J5, J9,

 

 

 

 

 

 

 

 

 

 

 

GENERAL INFORMATION

 

 

1

 

 

J20, J60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

5

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ELECTRICAL SYMBOLS PER E1537

 

 

1

5

1

6

1

8

 

 

 

 

 

 

 

 

 

 

 

J1, J2,

J15

 

J4

 

J6, J7

 

 

 

 

 

 

 

 

 

 

 

LEAD COLOR CODING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

10

7

12

9

16

 

 

 

 

 

 

 

 

 

 

B - BLACK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W - WHITE

 

 

 

 

 

 

 

A.01

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G5681-3

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 82 Page 84
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Contents LN-25PRO Wire Feeder LN-25 PRO SafetyElectric Shock can kill ARC Rays can burn Iii Welding CuttingFor Electrically Sûreté Pour Soudage a L’Arc Précautions DE SûretéMaster Table of Contents for ALL Sections Table of Contents Installation Section Installation ELECTRIC SHOCK can Kill Safety PrecautionsHigh Frequency Protection LocationChanging the GUN Receiver Bushing Wire Drive ConfigurationCable Connections Shielding GAS ConnectionWire Guides Procedure to Install Drive RollsGUN Connection Pressure ARM AdjustmentLoading Spools of Wire Description Power Source to LN-25 PRO Cable Connection DiagramsAcross the ARC SET-UPS Figure A.7 Table of Contents Operation Section Operation Safety PrecautionsGeneral Description Analog Voltmeter Wire Feed Speed KnobDescription 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 WeldingThermal LED, Motor Overload See Figure B.1 PIN GUN Trigger Connector See Figure B.1Wire Feed Speed Range Switch K2613-5 and K2613-7 only Work Sense LeadFigure B.4 Internal ControlsCold Feed Pushbutton Step Trigger Interlock SwitchCV/CC Switch Internal Controls DescriptionPreflow Timer Optional PREFLOW, Burnback Postflow Timer KIT K2330-2Figure B.5 Rear ControlsScfh POWER-UP SequenceGAS Purge Pushbutton Flow MeterLN-25 PRO Table of Contents Accessories Section Drive Roll Kits AccessoriesFactory Installed Equipment Wire TypeAccessories Accessories K435 Spindle Adapter, for mounting Installation of the K590-6 Water Cooling KIT Table of Contents Maintenance Section Calibration Specification MaintenanceRoutine Maintenance Periodic MaintenanceBoard Wire Feed SpeedCover 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 Recommended Course of Action Problems SymptomsPossible Areas Misadjustments LN-25 PRO Materials Needed Case Removal ProcedureTest Description 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 Operation Verification SET UPRetest After Repair Retest a machineLN-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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