Lincoln Electric SVM125-A Options/Accessories, Accessory Kit K703 Includes the following

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C-2

C-2

ACCESSORIES

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OPTIONS/ACCESSORIES

The following options/accessories are available for your Classic II from your local Lincoln Distributor.

Undercarriage - Under 10 MPH (K768) - For in-plant or yard towing of the Classic II. Not intended for high- way towing.

Undercarriage (K913-1) - Two-wheeled undercarriage for in-plant and yard towing. Includes fender and light kit; three optional hitch choices. For highway use, con- sult applicable federal, state, and local laws.

Power Plug Kit (K802-C) - Provides four 20 amp, 115 volt plugs and one 50 amp, dual voltage (115/230V), full kVA plug. NOTE: For CSA machines and machines with GFCI receptacles, use Power Plug Kit K802-R.)

Power Plug Kit (K802-D) - Provides four 15 amp, 115 volt plugs and one 50 amp, dual voltage (115/230V), full kVA plug. (For non-CSA machines.)

CV Adapter - Below Code 10050 - (K384) - Provides constant voltage output for semiautomatic welding.

Ether Start Kit (K887-1) - Automatic ether start kit pro- vides cold weather starting assistance in temperatures below 10oF (-12.2oC). Requires an ether tank that must be purchased locally.

NOTE: Ether starting can contribute to shortened engine life. Avoid unnecessary or indiscriminate use.

Linc Thaw™ Control Unit (L2964-5) - Includes meter and fuses to protect the welder when thawing frozen water pipes.

Wire Feed Module - Above Code 10050 (K623-1) -

Provides constant voltage output for semiautomatic welding. Includes remote for CV mode and internal “Cold Tip Contactor” for the LN-7 and LN-23P.

Accessory Kit (K703) - Includes the following:

Thirty-five feet (10.5 meters) of #2 AWG electrode cable

Thirty feet (9.1 meters) of #2 AWG work cable

Headshield with No. 12 filter.

GC300 work clamp

Cooltong™ 300 insulated electrode holder

The cables are rated at 250 amps, 40% duty cycle.

Spark Arrester Kit (K899-1) - A field-installed kit for the Classic II diesel engine muffler exhaust pipe. Includes a heavy-gauge steel, approved spark arrester, mounting clamp and adapter.

Remote Control - 100 Feet, Below Code 10050 - (K888-2) - Includes a control box with 100 ft. (7.5 meters) of 4-conductor cable. Allows output to be con- trolled remotely.

Remote Control Kit - Above Code 10050 - (K924-1) - Includes a control box with 100 ft. (7.5 meters) of 4- conductor cable. Allows output to be controlled remotely.

GFCI Receptacle Kit (K896-2) - Includes a UL approved 115 volt ground fault circuit interrupter recep- tacle (duplex type) with covers and installation instruc- tions. Each half of the receptacle is rated 15 amps, but the maximum total current from the GFCI duplex is lim- ited to 20 amps. The GFCI receptacle replaces the factory installed 115 volt duplex receptacle.

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WARNING

PIPE THAWING can result in fire, explosion, damage to pipes, wiring, and the welder as well as other unsafe or hazardous conditions. Do not use a welder to thaw pipes before reviewing Lincoln Bulletin E695.1 (dated October 1987 or later).

CLASSIC II

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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.