Lincoln Electric SVM125-A service manual Figure D.1 OIL Drain and Refill

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D-3

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MAINTENANCE

FIGURE D.1 – OIL DRAIN AND REFILL

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5

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6{

1.DIPSTICK

2.FUEL FILTER

3.OIL FILTER

4.OIL DRAIN PLUG

5.OIL FILL CAP

6.DIPSTICK LEVELS

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CHANGE THE OIL FILTER: Change the oil filter the first time after 50 hours of operation. Then, under nor- mal operating conditions, change the oil filter after every 750 hours of operation. If the engine is operated under heavy load or in high ambient temperatures, change the oil filter more frequently. See Table D.1 for recommended maintenance intervals. Order Deutz oil filter #117-4416 or #117-4417 from your local Deutz service center.

Change the oil filter as follows:

1 . Drain the oil from the engine and allow the oil filter to drain.

2.Remove the old filter (spin it off) and discard it. Wipe off the filter mounting surface and adapter.

3.Apply a thin coat of new oil to the rubber gasket on the new oil filter

4.Spin the new filter onto the mounting adapter finger tight until the gasket is evenly seated. Then turn it down another 1/2 turn. Do not overtighten the new filter.

5.Refill the engine with the proper amount and type of oil as described in the Change the Oil section, above. Start the engine and check for leaks around the filter element. Correct any leaks (usu- ally by retightening the filter, but only enough to stop leaks) before placing the Classic II back in service.

6.If there are no leaks, stop the engine and recheck the oil level. If necessary, add oil to bring the level up to the upper dash mark, but do not overfill.

FUEL: At the end of each day's use, refill the fuel tank to minimize moisture conden- sation and dirt contamination in the fuel

line. Do not overfill; leave room for the fuel to expand.

Refer to your engine operation manual for recom- mended grade of fuel.

CLASSIC II

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Contents Classic II TM California Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéMaster Table of Contents for ALL Sections Table of Contents Installation Section Technical Specifications Classic InstallationSafety Precautions Location and VentilationStoring PRE-OPERATION Engine Service Spark Arrester Muffler UndercarriagesWelding Cable Connections Electrical Output ConnectionsAuxiliary Power RECEPTACLES, PLUGS, and HAND-HELD Equipment Machine GroundingCircuit Breakers Classic Table of Contents Operation Section General Description Safety InstructionsOperation Operating InstructionsWelder Operational Features and ControlsDesign Features Recommended ApplicationsLimitations Welding CapabilityWELDER/GENERATOR Controls Controls and SettingsFigure B.2 Current Controls Control of Welding CurrentReturn to Diesel Engine ControlsCheck and fill the engine fuel tank Engine OperationBefore Starting the Engine Starting the EngineStopping the Engine Cold Weather StartingBREAK-IN Period Welding Operation General InformationIdler Operation Figure B.4 Welding Circuit Connections for Stick Welding After you finish weldingTable B.1 Range Settings for Wire SIZE/SPEED 13B-13 Auxiliary PowerSuggested Power Applications Running Watts Start-up Watts Table B.2 Generator Power ApplicationsTable of Contents Accessories Accessory Kit K703 Includes the following OPTIONS/ACCESSORIESSemiautomatic Welding TIG 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 Engine Maintenance Routine and Periodic MaintenanceFigure D.1 OIL Drain and Refill Figure D.2 Tightening the Cooling Blower Belt Every 50 Hours Daily or BeforeStarting Engine First 50 HoursChecking Specific Gravity Battery MaintenanceIdler Maintenance WELDER/GENERATOR 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 HOW to USE Troubleshooting Guide Troubleshooting & RepairPC Board can be damaged by static electricity PC Board Troubleshooting ProceduresTroubleshooting 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 Alternator Rotor Test Test ProcedureFigure 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 Oscilloscope Method Frequency Counter MethodAdjusting Screw Locking NUT Description Flashing the FieldsDo not remove brush holder ProcedureScope Settings Normal Open Circuit Voltage Waveform 115VAC SupplyHigh Idle no Load Fine Current Control Rheostat AT Maximum Normal Open Circuit DC Weld Voltage Waveform Typical DC Weld Output Voltage Waveform Machine Loaded Selector Switch AT Maximum PositionAlternator Rotor Removal Replacement Alternator Rotor Removal ReplacementFuel 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 Alternator Stator Removal ProcedureVAC Receptacle Circuit Breaker Field Bridge Rectifier Genernator Brush HOLDER/COIL Cables Drill Spot STATOR/ENDBRACKET Mounting Bolt Generator Frame Removal and Replacement Figure F.21 Generator Lead and Cable Connections Generator Frame RemovalRope Sling ENGINE/GENERATOR Mounting Holes Generator Armature Removal and Replacement Blower Paddle PADDLE/ARMATURE Mounting Bolts Generator Armature RemovalWelder DC Output AC Auxiliary Power Receptacle OutputRetest After Repair Engine OutputElectrical Diagrams Section Classic Wiring Diagram Code Electrical DiagramsRemote 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.
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