Lincoln Electric SVM125-A service manual Electrical Diagrams, Wiring Diagram Code

Page 101

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G-2

ELECTRICAL DIAGRAMS

G-2

Wiring Diagram (Code 9805 )

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

59A

59

2

D+

W

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO WELDING

 

 

 

 

 

 

53B

1

3

 

CR1

 

 

 

B+

D-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BOTTOM VIEW

 

 

 

 

 

 

 

 

 

 

 

 

 

ALTERNATOR ROTOR

GENERATOR

 

 

 

 

 

 

 

 

 

 

(

SHOWN

)

 

 

 

 

 

 

 

 

 

 

8594

 

 

 

+Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALTERNATOR

 

 

 

 

 

 

 

 

SLIP RINGS

-

 

 

 

B

610

 

 

 

 

 

4

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WIRING DIAGRAM SUP'S'D'GNO.SHT. L

 

 

 

 

+

B

 

W

 

TERMINAL

 

 

U

 

 

7

9

 

 

R1

 

 

 

 

 

CLASSIC II (WITH CV ADAPTER)

 

 

 

SLIP RING NEAREST

 

 

 

 

 

STRIP

R

600

 

 

 

 

 

 

58D

 

 

 

 

 

 

 

 

TO IRON

 

 

 

+

 

 

 

 

IDLER

U

 

 

A

B

 

 

50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

600

 

P.C.

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC

 

AC

N

 

 

 

BOARD W

57

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

41

 

 

 

 

 

 

61

 

 

FUEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

56A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

42

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

600A

 

 

 

 

 

 

 

 

 

 

60B

 

 

 

SOLENOID

 

 

 

 

 

 

 

 

 

 

 

602

 

60D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

41

 

 

 

58C

60F

 

 

58A

ENGINE

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

602

 

 

 

58B

 

 

 

 

 

 

 

 

 

 

 

115 VOLT

 

15A.

 

Y

 

 

 

 

 

 

 

 

 

 

PROTECTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IDLER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

RECEPTACLE

FUSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

42

 

 

 

 

 

START

 

 

 

 

 

 

 

56

 

SOLENOID

 

 

 

 

 

 

REF.

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

EQUIP.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IGNITION

 

 

 

 

60C

 

FUSE (SFE-14)

 

 

 

 

TYPE

 

 

 

 

 

 

 

 

 

 

 

POTENTIOMETER

SELECTOR

 

 

 

 

 

 

 

IDLER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

602A

SWITCH

 

 

ENGINE

 

 

 

 

 

 

SWITCH

 

OIL TEMPERATURE

THE LINCOLN ELECTRIC CO. CLEVELAND, OHIO U.S.A. SUBJECT SCALE NONE

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

G NO NC S B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOUR METER

 

 

 

 

 

DR JEDATE 7-9-91CHK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

3

SENSOR

 

 

 

 

 

 

 

 

ALTERNATOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

 

 

 

 

 

 

 

 

 

60A

 

 

 

54B

 

 

 

 

 

 

 

 

 

 

AUXILIARY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CB2

CB1

 

 

 

POWER

U

 

 

 

 

 

 

 

 

 

 

 

 

54

 

54A 58

4

 

 

 

 

 

 

 

 

WINDINGS

 

 

 

 

 

 

 

 

53A

 

 

 

 

 

53

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50A

 

 

 

 

 

55

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

51A

 

 

 

 

 

 

OIL PRESSURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

52

 

 

 

 

 

60E

 

5

SENSOR

 

 

 

 

 

G

B

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

STARTING

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GAUGE

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CURRENT

 

N

 

 

 

 

MOTOR

 

 

 

 

 

 

 

OIL PRESSURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5 4

3 2 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRANSFORMER

 

 

 

 

 

 

 

50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

51

 

 

 

 

 

 

 

 

 

 

 

 

230 VOLT

 

 

 

 

CR2 REED

WELDER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U

 

 

LEAD BLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RECEPTACLE

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

+ A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

N

N

509

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U

U

503

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

POSITIVE CV &

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VV OUTPUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NEGATIVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TERMINAL

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VV OUTPUT

POS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CB4

 

CB3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TERMINAL

 

 

NEG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNLESS OTHERWISE SPECIFIED TOLERANCE

5-1-92

 

 

 

 

 

 

 

 

REMOTE CONTROL (OPTIONAL)

 

 

 

 

 

W

-

TO WELDING

 

 

 

 

 

 

 

ON HOLE SIZES PER E2056

ON 2 PLACE DECIMALS IS .02 ON 3 PLACE DECIMALS IS .002

ON ALL ANGLES IS .5 OF A DEGREE MATERIAL TOLERANCE t(" ") TO AGREE WITH PUBLISHED STANDARDS.

 

 

 

 

 

 

 

 

W

Y

+

GENERATOR

 

 

 

4

8

 

 

 

 

 

 

 

 

 

 

SA-250 THERMOSTAT

 

 

 

 

 

 

REMOTE CONTROL PANEL & SWITCH

 

 

 

 

 

 

CV ADAPTER

 

Y

 

 

3

7

 

 

 

 

 

 

 

 

 

 

 

 

 

ASSEMBLY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESISTORS

 

 

 

 

COPPER

 

 

 

608

 

 

CONNECT TO NEGATIVE

 

2

6

 

 

 

 

 

 

 

 

 

 

COPPER

 

 

TERMINAL

 

 

 

609

 

 

 

 

 

 

 

 

 

 

 

 

 

PLUG FOR

 

 

 

 

 

BRUSH HOLDER

 

 

1

5

 

 

 

 

 

 

 

 

 

 

TERMINAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THIS SHEET CONTAINS PROPRIETARY INFORMATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REMOTE CONTROL

 

 

 

 

 

 

 

#2 HEAVY LEAD

 

 

 

 

 

 

OWNED BY THE LINCOLN ELECTRIC CO. AND IS

NOT TO BE REPRODUCED, DISCLOSED OR USED

 

 

 

 

 

 

 

 

 

 

 

 

POTENTIOMETER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

 

 

 

 

 

 

 

NEGATIVE CV OUTPUT TERMINAL

 

 

 

 

 

 

 

 

 

WITHOUT THE EXPRESS PERMISSION OF

THE LINCOLN ELECTRIC CO.

 

 

 

 

 

 

 

 

 

B

GROUND TERM.

 

 

 

 

 

 

 

 

 

 

 

 

 

PIN CONFIGURATION

 

 

 

 

 

 

 

 

 

 

(WIDE SLOT)

 

B

 

 

 

 

 

 

 

 

 

 

 

ON ENGINE

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*

 

41

 

 

 

 

 

 

 

 

W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

602

GROUND TERM.

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEE

600

(WIDE SLOT)

 

 

 

 

 

 

 

ELECTRICAL SYMBOLS PER E1537

 

 

 

 

 

 

 

 

 

 

BELOW

 

 

 

 

CONNECT

 

 

 

 

 

 

 

 

 

 

 

 

42

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO CASE

 

 

 

LEAD COLOR CODE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B-BLACK

R-RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH FOR

 

 

 

 

 

 

 

 

 

G-GREEN

U-BLUE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOCAL OR REMOTE

 

 

 

 

 

 

 

 

 

N-BROWN

W-WHITE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

CONTROL SHOWN IN

 

 

 

 

 

 

 

 

 

 

Y-YELLOW

 

 

 

CONTROL PANEL COMPONENTS

 

 

 

 

 

 

 

 

 

 

 

 

 

LOCAL POSITION.

 

 

 

 

REMOTE CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8594

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHOWN AS VEIWED FROM REAR.

 

 

 

 

 

 

 

 

 

 

*

WITH MACHINE NOT RUNNING, REMOVE JUMPER 42 TO

 

POTENTIOMETER BOX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

600 AT THE TERMINAL STRIP. CONNECT THESE LEADS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO THE CORRESPONDING NUMBERS AT THE TERMINAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STRIP.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

CLASSIC II

Image 101
Contents Classic II TM California Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéMaster Table of Contents for ALL Sections Table of Contents Installation Section Technical Specifications Classic InstallationStoring Safety PrecautionsLocation and Ventilation PRE-OPERATION Engine Service Spark Arrester Muffler UndercarriagesWelding Cable Connections Electrical Output ConnectionsCircuit Breakers Auxiliary Power RECEPTACLES, PLUGS, and HAND-HELD EquipmentMachine Grounding Classic Table of Contents Operation Section Operation Safety InstructionsOperating Instructions General DescriptionDesign Features Operational Features and ControlsRecommended Applications WelderLimitations Welding CapabilityWELDER/GENERATOR Controls Controls and SettingsFigure B.2 Current Controls Control of Welding CurrentReturn to Diesel Engine ControlsBefore Starting the Engine Engine OperationStarting the Engine Check and fill the engine fuel tankBREAK-IN Period Stopping the EngineCold Weather Starting Idler Operation Welding OperationGeneral Information Figure B.4 Welding Circuit Connections for Stick Welding After you finish weldingTable B.1 Range Settings for Wire SIZE/SPEED 13B-13 Auxiliary PowerSuggested Power Applications Running Watts Start-up Watts Table B.2 Generator Power ApplicationsTable of Contents Accessories Accessory Kit K703 Includes the following OPTIONS/ACCESSORIESSemiautomatic Welding TIG WeldingAdapter see Figure C.1 Connection of Lincoln Electric Wire FeedersConnection of the LN-7 to Classic II Using K867 Universal Adapter Work Electrode Cable To LN-7 Figure C.3 Classic II/LN-25 Connection Diagram With K444-2 Remote Control K487-25 Table of Contents Maintenance Engine Maintenance Routine and Periodic MaintenanceFigure D.1 OIL Drain and Refill Figure D.2 Tightening the Cooling Blower Belt Starting Engine Daily or BeforeFirst 50 Hours Every 50 HoursChecking Specific Gravity Battery MaintenanceIdler Maintenance WELDER/GENERATOR MaintenanceFigure D.3 Major Component Locations Table of Contents Theory of Operation Section Circuits Theory of OperationALTERNATOR, and Protection Interpole and Series Coils Excitation FlashingAuxiliary and Field Feedback Coils Engine Idler Circuit Fine Current AdjustmentCurrent Range Selector DC Generator Machines Classic Table of Contents Troubleshooting & Repair Section HOW to USE Troubleshooting Guide Troubleshooting & RepairPC Board can be damaged by static electricity PC Board Troubleshooting ProceduresDetailed in the beginning of this manual Troubleshooting GuideObserve Safety Guidelines Shunt Field Winding Test Perform the Shunt Field Wind Troubleshooting & Repair Function Problems Troubleshooting & Repair Troubleshooting & Repair Troubleshooting & Repair Welding Problems Materials Needed Alternator Rotor TestTest Description Alternator Rotor Test Test ProcedureFigure F.2 Measuring Rotor Resistance Classic Figure F.3 Measuring Rotor Resistance to Ground Classic Shunt Field Winding Test Shunt Field Winding Test PIN TAB Idler Solenoid Test Idler Solenoid Test Engine Throttle Adjustment Test Engine Throttle Adjustment Test Oscilloscope Method Frequency Counter MethodAdjusting Screw Locking NUT Description Flashing the FieldsDo not remove brush holder ProcedureHigh Idle no Load Fine Current Control Rheostat AT Maximum Scope SettingsNormal Open Circuit Voltage Waveform 115VAC Supply Normal Open Circuit DC Weld Voltage Waveform Typical DC Weld Output Voltage Waveform Machine Loaded Selector Switch AT Maximum PositionAlternator Rotor Removal Replacement Alternator Rotor Removal ReplacementFuel Tank Return Line Mounting Hardware Cable Retainer Bowl Negative Output Terminal Copper Strap on Rear Side Figure F.14 Alternator Cover Removal Figure F.15 Rotor Removal Replacement Alternator Stator Removal and Replacement Alternator Stator Removal ProcedureVAC Receptacle Circuit Breaker Field Bridge Rectifier Genernator Brush HOLDER/COIL Cables Drill Spot STATOR/ENDBRACKET Mounting Bolt Generator Frame Removal and Replacement Figure F.21 Generator Lead and Cable Connections Generator Frame RemovalRope Sling ENGINE/GENERATOR Mounting Holes Generator Armature Removal and Replacement Blower Paddle PADDLE/ARMATURE Mounting Bolts Generator Armature RemovalRetest After Repair AC Auxiliary Power Receptacle OutputEngine Output Welder DC OutputElectrical Diagrams Section Classic Wiring Diagram Code Electrical DiagramsRemote Control Optional Remote Control Optional Wire Feed Module Optional Wire Feed Thermostat * Machine Must not be Running J3 Sensor Idler PC Board M13708 Schematic Idler PC Board M13708 Components Idler PC Board l9902 Schematic Idler PC Board l9902 Components

SVM125-A specifications

The Lincoln Electric SVM125-A is a versatile and highly efficient welding machine that has gained significant recognition in the welding industry. Designed for both professionals and enthusiasts, this machine combines advanced technology with user-friendly features to deliver outstanding performance in a range of welding applications.

One of the standout features of the SVM125-A is its Inverter Technology. This cutting-edge technology allows for lightweight and compact design, making the machine highly portable. The inverter technology also provides a steady arc, which is crucial for achieving clean, high-quality welds. With a duty cycle of 125 amps at a 60% duty cycle, this welding machine can handle a variety of materials and thicknesses, from thin sheet metal to heavier structural components.

The SVM125-A supports multiple welding processes, including MIG, stick, and TIG welding. This versatility makes it an ideal choice for diverse welding tasks, whether you're working in a fabrication shop, doing repair work, or engaged in hobbyist projects. The machine features easy switch functionality, allowing users to quickly shift between welding processes without complicated setup.

Another notable characteristic is the machine's user-friendly interface. The intuitive control panel includes clear indicators and knobs that allow for easy adjustments of voltage and wire feed speed. This design is especially helpful for novice welders, providing them with the confidence to make adjustments as needed and ensuring optimal weld quality.

Safety is also a priority with the SVM125-A. The machine is equipped with thermal overload protection, which automatically shuts it down in case of overheating, preventing damage to the unit and ensuring operator safety. Additionally, the machine features a robust construction that emphasizes durability, making it suitable for demanding work environments.

Portability is enhanced through its lightweight design, and the built-in carrying handle makes it easy to transport from one job site to another. The SVM125-A is also compatible with a variety of welding accessories, further increasing its adaptability and functionality.

In conclusion, the Lincoln Electric SVM125-A stands out as a well-rounded welding machine that integrates advanced technology with user-friendly features. Its versatility in welding processes, robust design, and emphasis on safety and usability make it a valuable tool for welders at all skill levels. Whether for professional use or personal projects, the SVM125-A is a reliable choice that delivers exceptional performance and quality.