Lincoln Electric SVM125-A service manual J3 Sensor

Page 106

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G-7

ELECTRICAL DIAGRAMS

G-7

Wiring Diagram (Code 10220)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ELECTRICAL SYMBOLS

 

CONTROL PANEL COMPONENTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PER E1537

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHOWN AS VIEWED FROM REAR.

P10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEAD COLOR CODE

 

NEUTRAL BONDED TO FRAME

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

61

 

 

 

 

 

 

 

 

 

 

 

 

B-BLACK

R-RED

 

NEUTRE RACCORDE 'AU BATI

J5

12 11 10 9 8

7 6 5

4 3 2 1

 

 

 

 

ENGINE

 

 

 

 

 

 

 

 

 

 

 

 

G-GREEN

U-BLUE

 

W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

FAILURE

 

 

 

 

1 2

3 4

5 6

7

8

9 10

1

N-BROWN

W-WHITE

 

 

 

 

 

 

 

 

 

 

+Y

 

 

 

 

 

 

 

 

 

Y-YELLOW

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

LAMP

 

 

 

 

 

IDLER/ENGINE

 

2

 

 

 

ALTERNATOR

ROTOR

 

 

 

-W

 

 

 

 

 

 

58

53B J1

 

 

 

 

 

 

 

 

 

 

U

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROTECTION

J2 4

 

 

 

 

SLIP RINGS

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P.C. BOARD

 

R

 

 

 

 

 

+

B

 

 

 

610

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

CB1

 

 

57

 

 

 

 

 

 

 

 

 

 

 

SLIP RING

 

 

 

 

 

 

 

ENGINE

 

 

 

62

 

 

 

 

 

 

 

 

 

 

 

 

 

NEAREST

 

R

 

 

 

 

610

602B

 

 

 

HOUR

 

 

53

 

 

 

 

 

 

 

 

 

 

 

 

 

TO IRON

 

AC

 

AC

 

600B

 

 

 

 

 

 

 

56A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

METER

60C

 

 

 

 

IDLER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

START

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

41

 

 

1

 

+

-

IGNITION

 

 

56

 

SOLENOID

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

115 VOLT

 

230 VOLT

 

 

Y

 

600A

 

 

2

 

 

 

 

 

SWITCH

 

IDLER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

OIL TEMP.

 

 

RECEPTACLE

 

RECEPTACLE

 

 

15A.

 

42

 

 

3

 

 

 

 

58A

 

 

 

 

P3

J3 SENSOR

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

4

 

 

 

 

 

51A

 

 

 

 

 

 

 

 

 

 

 

FUSE

Y

 

602A

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

54B

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RHEOSTAT

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

53A

54

 

 

 

OIL PRESSURE

 

 

 

 

 

 

 

 

Y

 

 

 

J8

 

P9

 

 

 

 

 

 

 

 

 

 

 

SENSOR

 

 

 

 

 

 

B

 

 

 

 

 

 

 

SELECTOR

 

 

50A

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

SWITCH

 

 

 

 

 

55

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60A

 

5

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CB1

 

 

 

 

 

ALTERNATOR

 

 

 

 

 

.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CB2

 

 

W

 

 

 

 

 

 

 

 

 

52

 

 

 

 

7

 

 

 

 

 

 

 

 

G

 

 

 

 

AUXILIARY

 

 

 

 

 

 

 

 

 

S I

 

 

 

 

FUEL

 

 

 

 

 

(30AMP)

(15AMP)

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

 

 

 

 

 

 

 

STARTING

 

GAUGE

 

 

8

 

SOLENOID

 

 

 

 

 

B

 

 

 

 

WINDINGS

 

 

GENERATOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MOTOR

 

OIL PRESSURE

 

59

9

 

 

ENGINE

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60B

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50

 

 

 

10

 

 

CONNECTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

60E

 

 

 

2

 

 

D+ W

 

 

 

 

 

 

 

B

 

 

 

 

 

 

5 4 3

2 1

 

 

 

 

 

 

+ A

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B+

D-

 

 

 

 

 

W

CURRENT

 

 

 

 

CR2 REED

 

WELDER

 

 

 

 

 

 

 

 

 

 

51

 

 

 

 

 

 

 

 

TRANSFORMER

 

 

 

 

RELAY

 

LEAD BLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALTERNATOR

 

 

 

 

 

 

 

 

 

 

 

 

U

-W+Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

 

POSITIVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NEGATIVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(CC- )

(CC+) & (CV+ WITH W.F.M.)

 

 

 

 

 

REMOTE CONTROL (OPTIONAL)

 

 

 

 

 

WIRE FEED MODULE (OPTIONAL)

 

 

 

 

 

REMOTE CONTROL RECEPTACLE & SWITCH

 

 

 

 

 

 

PLUG FOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REMOTE CONTROL

 

 

 

 

ON MACHINE, REMOVE PLUG "P10" FROM CONNECTOR "J5".

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G

POTENTIOMETER

 

 

 

 

CONNECT PLUG "P5" ON W.F.M. TO CONNECTOR "J5" ON MACHINE.

 

* SEEBELOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESISTORS

Y

 

 

X

 

 

 

INLINE

 

 

PLUG

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W.F.M.

CONNECTORS

 

(P5)

 

 

 

 

 

 

 

 

.

 

 

1

41

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.

* SEE

2

600

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

 

 

 

PANEL

 

 

 

 

 

 

 

 

 

 

 

 

 

3

42

R

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.

BELOW

4

602

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

#8

LEAD

 

WIRE

FEED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECT TO POS. & NEG.

POS.

 

 

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT TERMINALS

 

NEG.

 

 

 

 

 

MODULE

 

 

 

 

 

 

 

 

 

TO CASE

 

 

 

 

 

 

 

 

NEGATIVE CV

 

 

 

 

 

 

 

 

 

 

 

 

P8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT TERMINAL

 

#2 HEAVY LEAD

 

 

 

 

 

 

 

 

SWITCH FOR LOCAL OR REMOTE CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

PANEL

 

 

608

 

 

 

 

 

 

 

 

 

,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHOWN IN LOCAL POSITION.

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECT TO NEG.

 

609

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REMOTE CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

.

* WITH MACHINE NOT RUNNING,

REMOVE PLUG "P9" ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRUSH HOLDER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POTENTIOMETER BOX

 

 

 

#2 HEAVY LEAD

 

 

 

 

 

 

MACHINE FROM CONNECTOR "J8". THEN CONNECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PLUG "P8" ON REMOTE CONTROL TO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

* MACHINE MUST NOT BE RUNNING

 

 

CONNECTOR "J8" ON MACHINE.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

250 AMP

 

 

 

RED & BLACK LEADS NOT CONNECTED ON THIS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMOSTAT

 

 

MACHINE.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ASSEMBLY

 

WHEN MAKING THESE CONNECTIONS.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

1-19-96

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLEVELAND, OHIO U.S.A.

 

 

 

 

 

 

 

L9919

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 106
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 ClassicLocation and Ventilation Safety PrecautionsStoring PRE-OPERATION Engine Service Muffler Undercarriages Spark ArresterElectrical Output Connections Welding Cable ConnectionsMachine Grounding Auxiliary Power RECEPTACLES, PLUGS, and HAND-HELD EquipmentCircuit 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 tankCold Weather Starting Stopping the EngineBREAK-IN Period General Information Welding OperationIdler 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 the LN-7 to Classic II Using K867 Universal Connection of Lincoln Electric Wire FeedersAdapter 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 ALTERNATOR, and Protection Theory of OperationCircuits Auxiliary and Field Feedback Coils Excitation FlashingInterpole and Series Coils Current Range Selector Fine Current AdjustmentEngine 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 electricityObserve Safety Guidelines Troubleshooting GuideDetailed 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 Test Description Alternator Rotor TestMaterials 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 holderNormal Open Circuit Voltage Waveform 115VAC Supply Scope SettingsHigh 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.