Lincoln Electric SVM134-A Safety Precautions Routine and Periodic Maintenance, Engine Maintenance

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D-2

 

D-2

 

 

 

MAINTENANCE

 

SAFETY PRECAUTIONS

 

ROUTINE AND PERIODIC

 

 

 

 

MAINTENANCE

 

 

WARNING

 

ENGINE MAINTENANCE

 

 

 

 

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Have qualified personnel do all maintenance and troubleshooting work.

Turn the engine off before working inside the machine.

Remove covers or guards only when necessary to perform maintenance and replace them when the maintenance requiring their removal is complete.

If covers or guards are missing from the machine, get replacements from a Lincoln Distributor.

Read the Safety Precautions in the front of this manu- al and in the instruction manual for the engine used with your machine before working on the Classic I.

Keep all equipment safety guards, covers, and devices in position and in good repair. Keep your hands, hair, clothing, and tools away from the fan, and all other moving parts when starting, operating, or repairing this machine.

CAUTION

To prevent the engine from accidentally starting, dis- connect the negative battery cable before servicing the engine.

See Table D.1 for a summary of maintenance intervals for the items listed below. Follow either the hourly or the calendar intervals, whichever come first. More fre- quent service may be required, depending on your spe- cific application and operating conditions.

OIL: Check the oil level after every 10 hours of operation or daily. BE SURE TO MAINTAIN THE OIL LEVEL.

Change the oil the first time after 50 hours of opera- tion. Then, under normal operating conditions, change the oil as specified in Table D.1. If the engine is operat- ed under heavy load or in high ambient temperatures, change the oil more frequently.

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TABLE D.1

 

 

CONTINENTAL ENGINE MAINTENANCE SCHEDULE

 

 

FREQUENCY

MAINTENANCE REQUIRED

Daily or Before

Visual Inspection.

Starting Engine

Fill fuel tank.

 

Check oil level.

 

Check air cleaner for dirty, loose, or damaged parts.

 

Check radiator level.

First 50 Hours

Check air filter.

 

Change engine oil.

 

Change oil filter.

 

Change fuel filter.

 

Check battery.

 

Check fan belt.

Every 50 Hours

Change engine oil and filter.

 

Service air cleaner (clean element).

 

Check fan belt tension.

 

Check battery electrolyte level and connections.

Every 250 Hours

Repeat 50-hour checks.

 

Clean spark plugs and check gap.

 

Check distributor cap.

 

Check ignition wires.

 

Replace air cleaner element.

 

 

 

Refer to your engine Owner's Manual for details and periodic maintenance at 500 hours and beyond.

CLASSIC I

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Contents Classic I 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 Exhaust Spark Arrester Cooling SystemMuffler TrailersMachine Grounding Figure A.1 Ground Stud LocationWelding Cable Connections Auxiliary Power Receptacle PLUGS, and HAND-HELD EquipmentElectrical Output Connections Cable size for combined lengthClassic Table of Contents Operation Section Safety Instructions OperationOperating Instructions Welder Operational Features and ControlsRecommended Applications GeneratorControls and Settings WELDER/GENERATOR ControlsControl of Welding Current Figure B.2 Current ControlsGasoline Engine Controls Return Section TOCEngine Operation Before Starting the EngineStarting the Engine Stopping the Engine Cold Weather StartingBREAK-IN Period Welding Operation After you finish weldingAuxiliary Power Table B.1 Range Settings for Wire SIZE/SPEEDTable of Contents Accessories OPTIONS/ACCESSORIES Semiautomatic Welding AccessoriesConnection of the LN-25 to Connection of Lincoln Electric Wire FeedersWire Feed Module see Figure C.1 Classic I Across the ARC withClassic Table of Contents Maintenance Safety Precautions Routine and Periodic Maintenance Engine MaintenanceFigure D.1 OIL Drain and Refill MAX MIN Figure D.2A Engine Coolant Drain Plug Set the terminal gap with a feeler gauge or gapping After cleaning or when installing a new spark plugGap Specifications 0.032 inch .8 mm Tool. See Figure D.4Battery Maintenance Classic I charging system is NegativeWELDER/GENERATOR Maintenance Return to Section Return to Section TOCIdler Maintenance Figure D.5 Major Component Locations Classic Table of Contents Theory of Operation Section BATTERY, STARTER, Engine Alternator and OIL Switch Circuit Theory of OperationGeneral Description ENGINE, Main Generator Armature and Frame and DC Exciter Excitation FlashingMain SHUNT, Interpole and Series Coils Fine Current Adjustment Current Range SelectorEngine Idler Circuit DC Generator Machines Return to Section TOC 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 Main Generator Throttle Adjustment Test Output Problems Function Problems Troubleshooting & Repair Engine Problems Welding Problems DC Exciter Test Test DescriptionMaterials Needed Test Procedure DC Exciter TestFigure F.2 Exciter Cover Removal Small Flex Lead Solid Shunt Coil and Series Coil Resistance TestsIdler Solenoid Test Troubleshooting & Repair Main Generator Shunt Field Winding Test Main Generator Shunt Field Winding Test Figure F.6 Plug P10 PIN Assignments TAB Engine Throttle Adjustment Test Engine Throttle Adjustment Test Strobe Tach MethodEngine Throttle Adjustment Test Adjust High IdleAdjust Low Idle Flashing the Fields DescriptionProcedure Flashing the FieldsFigure F.11 Brush HOLDER/BATTERY Jumper Connections Scope Settings Normal Open Circuit Voltage Waveform 115VDC SupplyHigh Idle no Load Fine Current Control Rheostat AT Maximum Normal Open Circuit DC Weld Voltage Waveform Machine Loaded Selector Switch AT Maximum Typical DC Weld Voltage WaveformDC Exciter Armature and Field Coils Removal and Replacement DC Exciter Armature Removal Procedure ReassemblyDC Exciter Armature and Field Coils Field Coils Removal Procedure Perform the DC Exciter Armature Removal ProcedureMain Generator Frame Removal and Replacement Replacement Main Generator Frame Removal Bolt / NUTPerform the DC Exciter Armature Removal Figure F.16 Selector Switch Lead Removal Terminal LeadFigure F.18 Choke Control Cable Removal Loosen Here Main Generator Frame Removal Figure F.20 Front Panel Fastener Removal Troubleshooting & Repair Feet Remove Mounting NUTS, Washers BoltsPerform the DC Exciter Armature Reassembly Procedure Main Generator Armature Removal and Replacement Main Generator Armature Removal Armature is now free to be removed from the engineEngine Output DC Auxiliary Power Receptacle OutputRetest After Repair Welder DC OutputElectrical Diagrams Section Electrical Diagrams Wiring Diagram ClassicWire Feed Module Wiring Diagram Wiring Diagram Wire Feed ModuleSchematic Idler PC Board 16990 MPC Board Assembly Idler PC Board Idler