Lincoln Electric SVM125-A service manual Remote Control Optional

Page 102

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G-3

ELECTRICAL DIAGRAMS

G-3

Wiring Diagram (Code 10000)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

59A

59

2

D+

W

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO WELDING

 

 

 

 

 

 

53B

1

3

 

CR1

 

 

 

B+

D-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BOTTOM VIEW

 

 

 

 

 

 

 

 

 

 

 

 

 

ALTERNATOR ROTOR

GENERATOR

 

 

 

 

 

 

 

 

 

 

(

SHOWN

)

 

 

 

 

 

 

 

 

 

L 9071

 

 

+Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALTERNATOR

 

 

 

 

 

 

SLIP RINGS

-

 

 

 

B

610

 

 

 

 

 

4

6

 

 

 

 

 

 

 

 

 

 

 

 

 

+

B

 

W

 

TERMINAL

 

 

 

 

 

7

9

 

 

 

 

 

 

 

 

 

CLASSIC II (WITH CV ADAPTER)

 

 

 

SLIP RING NEAREST

 

 

 

 

 

STRIP

 

 

 

U

 

 

 

 

 

58D

R1

 

 

 

 

 

 

 

 

SHT.

NO.

 

 

 

 

 

 

R

600

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO IRON

 

 

 

+

 

 

 

 

IDLER

U

 

 

A

B

 

 

50

 

 

 

 

 

 

 

WIRING DIAGRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

600

 

P.C.

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC

 

AC

N

 

 

 

BOARD W

57

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

41

 

 

 

 

 

 

61

 

 

FUEL

 

 

 

SUP'S'D'G

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

56A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

42

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

600A

 

 

 

 

 

 

 

 

 

 

60B

 

 

 

SOLENOID

 

 

 

 

 

 

 

 

 

 

602

 

60D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

41

 

 

 

58C

60F

 

 

58A

ENGINE

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

602

 

 

 

58B

 

 

 

 

 

 

 

 

 

 

 

115 VOLT

 

15A.

 

Y

 

 

 

 

 

 

 

 

 

 

PROTECTION

 

 

 

 

 

 

L8594

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IDLER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

RECEPTACLE

FUSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SOLENOID

 

 

 

 

 

 

 

42

 

 

 

 

 

START

 

 

 

 

 

 

 

56

 

 

 

 

 

 

SUBJECT SCALE NONE

DR R.T.DATE 9-14-92 CHK J.J. REF.

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IGNITION

 

 

 

 

60C

 

FUSE (SFE-14)

 

 

 

 

EQUIP

TYPE

 

 

 

 

 

 

 

 

 

POTENTIOMETER

SELECTOR

 

 

 

 

 

 

 

IDLER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

ENGINE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

602A

SWITCH

 

 

 

 

 

 

 

 

SWITCH

 

OIL TEMPERATURE

THE LINCOLN ELECTRIC CO. CLEVELAND, OHIO U.S.A.

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

G NO NC S B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOUR METER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

3

SENSOR

 

 

 

 

 

 

 

ALTERNATOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

 

 

 

 

 

 

 

 

 

60A

 

 

 

54B

 

 

 

 

 

 

 

 

 

AUXILIARY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CB1

 

 

 

POWER

U

 

 

 

 

 

 

 

 

 

 

 

 

54

 

54A 58

4

 

 

 

 

(30 AMP)

 

 

 

WINDINGS

 

 

 

 

 

 

 

50A

53A

 

 

 

 

 

53

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CB2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TERMINAL

 

 

NEG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(15 AMP)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

92L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9-25-

 

 

 

 

 

 

 

 

REMOTE CONTROL (OPTIONAL)

 

 

 

 

 

W

-

TO WELDING

 

 

 

 

 

 

 

UNLESS OTHERWISE SPECIFIED TOLERANCE

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REMOTE CONTROL

 

 

 

 

 

 

 

#2 HEAVY LEAD

 

 

 

 

 

 

THIS SHEET CONTAINS PROPRIETARY INFORMATION

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH FOR

 

 

 

 

 

 

 

 

 

B-BLACK

R-RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G-GREEN

U-BLUE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOCAL OR REMOTE

 

 

 

 

 

 

 

 

 

N-BROWN

W-WHITE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

CONTROL SHOWN IN

 

 

 

 

 

 

 

 

 

 

Y-YELLOW

 

 

 

CONTROL PANEL COMPONENTS

 

 

 

 

 

 

 

 

 

 

 

 

 

LOCAL POSITION.

 

 

 

 

REMOTE CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHOWN AS VIEWED 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 102
Contents Classic II TM Safety California Proposition 65 WarningsElectric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcMaster Table of Contents for ALL Sections Table of Contents Installation Section Installation Technical Specifications ClassicSafety Precautions Location and VentilationStoring PRE-OPERATION Engine Service Muffler Undercarriages Spark ArresterElectrical Output Connections Welding Cable ConnectionsAuxiliary Power RECEPTACLES, PLUGS, and HAND-HELD Equipment Machine GroundingCircuit Breakers Classic Table of Contents Operation Section Operating Instructions Safety InstructionsOperation General DescriptionRecommended Applications Operational Features and ControlsDesign Features WelderWelding Capability LimitationsControls and Settings WELDER/GENERATOR ControlsControl of Welding Current Figure B.2 Current ControlsDiesel Engine Controls Return toStarting the Engine Engine OperationBefore Starting the Engine Check and fill the engine fuel tankStopping the Engine Cold Weather StartingBREAK-IN Period Welding Operation General InformationIdler Operation After you finish welding Figure B.4 Welding Circuit Connections for Stick WeldingTable B.1 Range Settings for Wire SIZE/SPEED Auxiliary Power 13B-13Table B.2 Generator Power Applications Suggested Power Applications Running Watts Start-up WattsTable of Contents Accessories OPTIONS/ACCESSORIES Accessory Kit K703 Includes the followingTIG Welding Semiautomatic WeldingConnection of Lincoln Electric Wire Feeders Connection of the LN-7 to Classic II Using K867 UniversalAdapter see Figure C.1 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 Routine and Periodic Maintenance Engine MaintenanceFigure D.1 OIL Drain and Refill Figure D.2 Tightening the Cooling Blower Belt First 50 Hours Daily or BeforeStarting Engine Every 50 HoursBattery Maintenance Checking Specific GravityWELDER/GENERATOR Maintenance Idler MaintenanceFigure D.3 Major Component Locations Table of Contents Theory of Operation Section Theory of Operation ALTERNATOR, and ProtectionCircuits Excitation Flashing Auxiliary and Field Feedback CoilsInterpole and Series Coils Fine Current Adjustment Current Range SelectorEngine Idler Circuit DC Generator Machines Classic Table of Contents Troubleshooting & Repair Section Troubleshooting & Repair HOW to USE Troubleshooting GuidePC Board Troubleshooting Procedures PC Board can be damaged by static electricityTroubleshooting Guide Observe Safety GuidelinesDetailed in the beginning of this manual Shunt Field Winding Test Perform the Shunt Field Wind Troubleshooting & Repair Function Problems Troubleshooting & Repair Troubleshooting & Repair Troubleshooting & Repair Welding Problems Alternator Rotor Test Test DescriptionMaterials Needed Test Procedure Alternator Rotor TestFigure 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 Frequency Counter Method Oscilloscope MethodAdjusting Screw Locking NUT Flashing the Fields DescriptionProcedure Do not remove brush holderScope Settings Normal Open Circuit Voltage Waveform 115VAC SupplyHigh Idle no Load Fine Current Control Rheostat AT Maximum Normal Open Circuit DC Weld Voltage Waveform Machine Loaded Selector Switch AT Maximum Position Typical DC Weld Output Voltage WaveformAlternator Rotor Removal Replacement Replacement Alternator Rotor RemovalFuel 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 Procedure Alternator Stator RemovalVAC Receptacle Circuit Breaker Field Bridge Rectifier Genernator Brush HOLDER/COIL Cables Drill Spot STATOR/ENDBRACKET Mounting Bolt Generator Frame Removal and Replacement Generator Frame Removal Figure F.21 Generator Lead and Cable ConnectionsRope Sling ENGINE/GENERATOR Mounting Holes Generator Armature Removal and Replacement Generator Armature Removal Blower Paddle PADDLE/ARMATURE Mounting BoltsEngine Output AC Auxiliary Power Receptacle OutputRetest After Repair Welder DC OutputElectrical Diagrams Section Classic Electrical Diagrams Wiring Diagram CodeRemote 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.