Lincoln Electric SVM176-A service manual Gun

Page 32
LN-23P
4. Perform the Wire Feeder Test
5. See the K350 Adapter test.
6. See Feed Head test.

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Return to Section TOC

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Return to Master TOC

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F-4

TROUBLESHOOTING AND REPAIR

 

 

 

 

F-4

 

Observe Safety Guidelines detailed in the beginning of this manual.

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

 

 

 

 

 

 

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

Major physical or electrical

FEEDING PROBLEMS

Contact the Lincoln Electric

 

 

 

 

damage is evident when the

 

Service Department at 1-888-

 

sheet metal covers are removed.

 

935-3877.

 

 

 

 

 

 

Motor does not run. No Voltage on

1. Check for power source output.

1. If OK, continue to Step 2.

 

 

the Voltmeter

 

2. Remote Sensing lead not

2. Check continuity of sense lead

 

 

 

connected to work or broken.

circuit. See Wiring Diagram.

 

 

 

 

If meter

reads backwards,

 

 

 

 

polarity is wrong. Reverse

 

 

 

 

polarity of power source. The

 

 

 

 

LN23P must run on Electrode

 

 

 

3. Control Cable to Adapter Kit

Negative.

 

 

 

 

 

 

 

 

3 Check continuity of the control

 

 

 

misconnected or defective.

cable.

 

 

 

 

 

 

 

 

4. Defective Adapter Kit

4. See the K350 Adapter test.

 

Motor does not run. OCV is

1. OCV must be at least 14 VDC.

1. Adjust power source output

 

indicated on the meter.

 

NOTE: Code 9085 OCV must be

accordingly. If OCV cannot be

 

 

 

adjusted below 50 vdc, Code

 

 

 

less than 50vdc (45Volts

9085 machines

must

be

 

 

 

on DC600).

upgraded with a new Control

 

 

 

 

Board.

 

 

 

 

 

 

 

 

2. Circuit Breaker tripped.

2. Reset breaker. If it trips again,

 

 

 

check the wire feed system for

 

 

 

 

restrictions. Perform the

Gun

 

 

 

 

Test.

the

trigger

circuit

 

 

 

3. Defective gun trigger or control

3. Check

 

 

 

continuity.

See

the

Wiring

 

 

 

leads.

Diagram.

 

 

 

 

4. Possible defective Control Board

5. Defective Adapter Kit or Control cable

6. Defective Motor or gearbox.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 1-888-935-3877.

Image 32
Contents Safety Depends on You LN-23PSafety Powered equipmentFor Engine Electric Magnetic FieldsCan be dangerous Electric Shock can kill ARC Rays can burnFumes and Gases Cylinder may explode Cause fire or explosion If damagedFor Electrically IiiPrécautions DE Sûreté Précautions DE Sûreté PourLES Machines À Souder À Transformateur ET ÀMaster Table of Contents for ALL Sections Table of Contents Installation Section Environmental Rating InstallationTechnical Specifications LN-23P Safety Precautions Input CableWork Cable and Remote Voltage Sensing Work LeadInnershield GUN and Cable Wire Drive Rolls and Guide TubesOptional Features Installation Accessories Power SourceLN-23P Operation Section B Table of ContentsOperation Section Product Description Loading the Wire ReelOperation Adjusting Wire Feed Speed Drive Roll PressureVoltage Making the WeldLN-23P Accessories Section Accessories Section CEnclosed Wire Reel Support Optional EquipmentGUN and Cable Assemblies K350 Adapter KITMaintenance Section Maintenance Section DMaintenance GUN and Cable MaintenanceWire Drive Assembly Maintenance Removing Idle Roll AssemblyCircuit Protection NameplatesLN-23P Theory of Operation Section Section E E-2E-2E-3E-3E-3E-4General Description Input Power CircuitTheory of Operation Figure E.3 Control Circuits Optional Circuits K350 / K350-1ADAPTER KitsK350 / K350-1ADAPTER Kits LN-23P Section F-1 Troubleshooting and RepairTroubleshooting and Repair Section F How To Use Troubleshooting Guide Important Troubleshooting TipsElectric Shock Troubleshooting & RepairPC Board Troubleshooting Procedures Gun Perform Potentiometer Test K350 Adapter Problems Call LN-23PMaterials Needed Wire Feeder TestTest Description Wire Feeder Test Test ProcedureGUN Test 10TROUBLESHOOTING and REPAIRF-10 GUN TestFeed Head Test 12TROUBLESHOOTING and REPAIRF-12 Feed Head TestPotentiometer Test Potentiometer Test 14TROUBLESHOOTING and REPAIRF-14Wire Speed Control Potentiometer K350-1 Adapter Test 16TROUBLESHOOTING and REPAIRF-16 K350-1 Adapter TestMeasurement Points Expected Reading 18TROUBLESHOOTING and REPAIRF-18 Calibration CheckSection G-1 Electrical Diagrams SectionElectrical Diagrams Section G Electrical Diagrams Wiring Diagram Entire Machine M14197Schematic Entire Machine L6518 Wiring Diagram K350 Adapter KIT M14247 Wiring Diagram K350-1 Adapter KIT M17514 Machine Schematic for K350/K350-1 Adapter PC Board Assembly for Codes below 10892 G1528-4 PC Board Assembly for Codes 10892 and Higher G4184-3 Schematic for LN-23P Codes 10892 and Higher L11838-3

SVM176-A specifications

The Lincoln Electric SVM176-A is a robust and versatile semiautomatic wire feeder designed to cater to a wide range of welding applications. Known for its reliability and ease of use, the SVM176-A is particularly favored in both industrial and construction settings, where efficiency and performance are paramount.

One of the standout features of the SVM176-A is its compact design. This relatively lightweight unit is easy to transport and can fit into tight spaces, making it an ideal choice for mobile applications or projects that require more maneuverability. The unit's construction is durable and built to withstand the rigors of demanding work environments, ensuring longevity and consistent performance.

The SVM176-A supports various welding processes, including MIG (Metal Inert Gas) and flux-cored arc welding, providing versatility for different materials and thicknesses. This adaptability is enhanced by its ability to accommodate a variety of wire sizes, allowing users to select the ideal wire type for their specific project requirements. The equipment also features adjustable wire feed speed, helping to ensure optimal weld quality by allowing operators to tailor their settings based on the needs of the job.

Innovative technologies in the SVM176-A contribute to its performance. The unit is equipped with a digitally controlled microprocessor that streamlines operations, providing enhanced control over welding parameters. This advanced technology enables users to achieve precise welds consistently, minimizing the risk of defects and improving overall efficiency.

Another remarkable characteristic of the SVM176-A is its user-friendly interface. The unit features easy-to-read displays and intuitive controls, enabling operators to make quick adjustments without having to consult an extensive manual. This is particularly beneficial in fast-paced work environments where time is of the essence.

Furthermore, the Lincoln Electric SVM176-A boasts a range of safety features, including thermal overload protection and a sturdy casing, which safeguard both the equipment and the operator. With these characteristics combined, the SVM176-A stands out as a preferred choice for professional welders seeking reliability, versatility, and operational excellence in their equipment. This exceptional wire feeder continues to uphold Lincoln Electric's commitment to quality and performance in welding technology.