Lincoln Electric SVM176-A Safety Precautions, Input Cable, Work Cable and Remote Voltage

Page 9

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A-3

INSTALLATION

 

 

 

 

A-3

 

SAFETY PRECAUTIONS

 

 

For K316L-2or higher (8 pin connector)

 

 

 

WARNING

 

 

With the power source turned off,

install the input

 

ELECTRIC SHOCK can kill.

 

 

cable per the following instructions:

 

 

 

 

• Only qualified personnel should per-

 

The K316L-2 LN-23P can be connected directly to

 

 

form this installation,

maintenance

 

 

any Lincoln power source that has CV output. and

 

 

and troubleshooting work.

 

 

Twist-Mate weld terminals (V350, V350-PIPE, CV-

 

 

 

 

305, etc..),

using the control cable provided with the

 

• Turn off the input power at the fuse box before

 

 

machine.

 

 

 

 

 

 

working on other equipment connected to the

 

• Connect the 14-pin connector and Twist-Mate plug of

 

welding system at the disconnect switch or fuse

 

 

box before working on this equipment.

 

the input cable assembly to the front of the welder.

 

• Do not touch electrically hot parts.

 

 

Unclip the rubber retaining strap that holds the wire

------------------------------------------------------------------------

 

 

enclosure cover in place, and remove the cover.

 

INPUT CABLE:

 

 

 

rear of the LN-23P and open the door. Route the

 

For K316L-1(6 pin connector)

 

 

 

Push the wire drive section door latch towards the

 

 

 

 

electrode cable through the large rubber grommet in

 

The standard 25 foot input cable between the LN-23P

 

 

the rear of the wire feed section and connect the lug

 

and the power source (with a K350 Adapter Kit) con-

 

 

to the brass conductor block at the front of the motor

 

sists of a six-conductor control cable and a 1/0 elec-

 

 

gear box assembly using the bolt provided. Attach

 

trode cable. The control cable has lugged leads on the

 

 

the control cable strain relief hook to the bracket on

 

power source end and a polarized plug on the wire

 

the frame of the LN-23P.

 

 

 

 

feeder end.

 

 

Connect the 8-pin receptacle to the LN-23P located

 

With the power source turned off, install the input

 

 

on the back underside of the control box.

 

cable per the following instructions:

 

 

WORK CABLE AND REMOTE VOLTAGE

 

• Connect the end of the control cable with the lugged

 

SENSING WORK LEAD

 

 

 

 

• Connect a work cable of sufficient size and length,

 

leads to the K350 or K350-1 Adapter Kit. Connect

 

 

per the following table, between the proper output

 

the electrode cable to the negative output stud on

 

 

stud on the power source and the work. Be sure the

 

the power source.

 

 

 

connection to the work makes tight metal to metal

 

NOTE: If two LN-23Pʼs are connected to an Adapter

 

 

contact.

 

 

 

 

 

 

Kit, connect the feeder that will be used at the low-

 

 

 

 

 

 

 

 

 

 

est voltage setting to Feeder “A” terminal strip in the

 

 

Electrode

 

Work

 

Copper

 

Copper

 

K350. If only one LN-23P is used, connect it to

 

 

Cable

 

Cable

 

Electrode

 

Work Cable

 

 

 

Length

 

Length

 

Cable Size

 

Size

 

Feeder “A” terminal strip.

 

 

 

0-25 ft.

 

0-75 ft.

 

1/0

 

1/0

 

• Connect the input control cable polarized plug into

 

 

0-25

 

76-125

 

1/0

 

2/0

 

 

 

26-75

 

26-75

 

2/0

 

2/0

 

the mating 6 pin receptacle on the rear of the con-

 

 

26-75

 

76-125

 

2/0

 

4/0

 

trol section of the LN-23P. Tighten the threaded

 

 

76-100

 

76-125

 

3/0

 

4/0

 

locking collar until the connector is completely seat-

 

 

 

 

 

 

 

Above cable sizes are based on a maximum voltage drop of

 

ed.

 

 

4.3 volts in the combined lengths of electrode and work cable

 

• Unclip the rubber retaining strap that holds the wire

 

at 350 amps.

 

 

 

 

 

 

 

Connect a 12 AWG or larger rubber covered flexible

 

enclosure cover in place and remove the cover.

 

 

Push the wire drive section door latch towards the

 

 

lead physically suitable for the installation to the

 

rear of the LN-23P and open the door. Route the

 

 

voltage sensing work lead (#21) coming from the

 

electrode cable through the large rubber grommet

 

 

Adapter Kit. For convenience, wrap this voltage

 

in the rear of the wire feed section and connect the

 

 

sensing lead around the work lead and tape in

 

lug to the brass conductor block at the front of

 

 

place. Connect it directly to the work or to the work

 

motor-gearbox assembly using the bolt provided.

 

 

cable connection . This lead supplies voltage to the

 

Attach the control cable strain relief hook to the

 

 

voltmeter as well as power to the LN-23P control

 

bracket on the frame of the LN-23P.

 

 

 

circuitry and drive motor.

 

 

LN-23P

Image 9
Contents LN-23P Safety Depends on YouPowered equipment SafetyFor Engine Electric Magnetic FieldsElectric Shock can kill ARC Rays can burn Fumes and GasesCan be dangerous Cause fire or explosion If damaged Cylinder may explodeFor Electrically IiiPrécautions DE Sûreté Pour Précautions DE SûretéLES Machines À Souder À Transformateur ET ÀMaster Table of Contents for ALL Sections Table of Contents Installation Section Installation Technical Specifications LN-23PEnvironmental Rating Input Cable Safety PrecautionsWork Cable and Remote Voltage Sensing Work LeadWire Drive Rolls and Guide Tubes Optional Features InstallationInnershield GUN and Cable Power Source AccessoriesLN-23P Table of Contents Operation SectionOperation Section B Loading the Wire Reel OperationProduct Description Drive Roll Pressure Adjusting Wire Feed SpeedVoltage Making the WeldLN-23P Accessories Section C Accessories SectionOptional Equipment Enclosed Wire Reel SupportGUN and Cable Assemblies K350 Adapter KITMaintenance Section D Maintenance SectionGUN and Cable Maintenance MaintenanceWire Drive Assembly Maintenance Removing Idle Roll AssemblyNameplates Circuit ProtectionLN-23P Section E E-2E-2E-3E-3E-3E-4 Theory of Operation SectionInput Power Circuit Theory of OperationGeneral Description Figure E.3 Control Circuits K350 / K350-1ADAPTER Kits Optional CircuitsK350 / K350-1ADAPTER Kits LN-23P Troubleshooting and Repair Troubleshooting and Repair Section FSection F-1 Important Troubleshooting Tips How To Use Troubleshooting GuideTroubleshooting & Repair PC Board Troubleshooting ProceduresElectric Shock Gun Perform Potentiometer Test Call LN-23P K350 Adapter ProblemsWire Feeder Test Test DescriptionMaterials Needed Test Procedure Wire Feeder TestGUN Test GUN Test 10TROUBLESHOOTING and REPAIRF-10Feed Head Test Feed Head Test 12TROUBLESHOOTING and REPAIRF-12Potentiometer Test 14TROUBLESHOOTING and REPAIRF-14 Wire Speed Control PotentiometerPotentiometer Test K350-1 Adapter Test K350-1 Adapter Test 16TROUBLESHOOTING and REPAIRF-16Measurement Points Expected Reading Calibration Check 18TROUBLESHOOTING and REPAIRF-18Electrical Diagrams Section Electrical Diagrams Section GSection G-1 Wiring Diagram Entire Machine M14197 Electrical DiagramsSchematic 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.