Lincoln Electric SVM179-B service manual Wiring DIAGRAM- LN-25 PRO Analog

Page 82

to Section TOC

to Master TOC

G-4

ElECTriCal DiaGrams

G-4

WiriNG DiaGram - lN-25 prO - CODEs 11620, 11621, 11716, 11717 (G5681-2)

WIRING DIAGRAM- LN-25 PRO ANALOG

MOTOR FILTER P.C. BOARD

J61

 

 

 

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

 

ANALOG DISPLAY CASE FRONT

 

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

WIRE FEED SPEED

YELLOW

1W

1B

THERMAL

 

 

CONTROL RHEOSTAT

LED

 

 

10K2W

N.A.

 

 

POLARITY 2W 2B LED

N.A.

 

1

 

 

R

2

531

L4

3

U

4

537

 

1

612

N.O.

610

S4

N.B.

 

R1

ARC

577A 576A 575A

VOLTMETER

VM +

TRIGGER

 

CONNECTOR

 

P7/J7

721

1

500A

2

B

5

534

B

6

L5

7

551

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

 

2

 

3

J3

4

 

5

 

6

 

7

 

8

BLACK

-

 

FAN

RED

+

to Section TOC

to Master TOC

721

667B

A

622A

 

P14

B

500A

 

C

555A

 

 

D

 

 

E

622B

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G5681-2

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 81 Page 83
Image 82
Page 81 Page 83
Contents LN-25PRO Wire Feeder Safety LN-25 PROElectric Shock can kill ARC Rays can burn For Electrically Welding CuttingIii Précautions DE Sûreté Sûreté Pour Soudage a L’ArcMaster Table of Contents for ALL Sections Table of Contents Installation Section Installation Location Safety PrecautionsHigh Frequency Protection ELECTRIC SHOCK can KillShielding GAS Connection Wire Drive ConfigurationCable Connections Changing the GUN Receiver BushingProcedure to Install Drive Rolls Wire GuidesLoading Spools of Wire Pressure ARM AdjustmentGUN Connection Across the ARC SET-UPS Power Source to LN-25 PRO Cable Connection DiagramsDescription Figure A.7 Table of Contents Operation Section Safety Precautions OperationGeneral Description Description Wire Feed Speed KnobAnalog Voltmeter Wire Feed Speed, CC Operation See Figure B.2 or Figure B.2Table B.2 VV CC Wire Speed Setting Constant Current VS Constant Voltage Wire Welding Figure B-3Work Sense Lead PIN GUN Trigger Connector See Figure B.1Wire Feed Speed Range Switch K2613-5 and K2613-7 only Thermal LED, Motor Overload See Figure B.1Internal Controls Figure B.4Internal Controls Description Step Trigger Interlock SwitchCV/CC Switch Cold Feed PushbuttonOptional PREFLOW, Burnback Postflow Timer KIT K2330-2 Preflow TimerRear Controls Figure B.5Flow Meter POWER-UP SequenceGAS Purge Pushbutton ScfhLN-25 PRO Table of Contents Accessories Section Wire Type AccessoriesFactory Installed Equipment Drive Roll KitsAccessories Accessories K435 Spindle Adapter, for mounting Installation of the K590-6 Water Cooling KIT Table of Contents Maintenance Section Periodic Maintenance MaintenanceRoutine Maintenance Calibration SpecificationCover Wire Feed SpeedBoard Figure D.3. Major Component Location 1TABLE of CONTENTS-THEORY of Operation Section E-1 Control BoardTheory of Operation Figure E.2 General DescriptionInput Power TRIGGER CIRCUITFeedback and Control CIR- Cuits Figure E.4 Feedback & Control CircuitsOptional Circuits Figure E.5 Optional Circuits & Digital Display BoardLN-25 PRO Table of Contents Troubleshooting & Repair Troubleshooting & Repair HOW to USE Troubleshooting GuidePC Board Troubleshooting Procedures Fault Code Description Possible Adjustment Motor Solenoid Test Possible Areas Misadjustments Problems SymptomsRecommended Course of Action LN-25 PRO Test Description Case Removal ProcedureMaterials Needed Procedure Figure F.1 Case RemovalGAS 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 Removal Procedure Figure F.6 Control BOXReplacement Procedure Figure F.7 Buss BAR and Mounting BlockLN-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 PC BOARD Removal and Replacement Procedure Figure F.11 Control PC Board LocationGAS Solenoid Removal and Replacement Procedure GAS Solenoid GAS Hose Control BOX Lock NUT Retest a machine SET UPRetest After Repair Operation VerificationLN-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 LN-25 PRO Wire Feeder G5683LN-25 PRO Wire Feeder ElECTriCal DiaGrams G5683-1 Pushbutton G5683-2 LN-25 PRO AnalogG5683 G5683-3 Circuitryconfidential Equipmenttype Xres RXD Work 624 4783-1C0 Flexiblepowerfeede R 50V OF05 Circuitryconfidential S27505-1B0 R2 CW
Top Page Image Contents