Lincoln Electric SVM134-A service manual Cooling System, Muffler, Exhaust Spark Arrester, Trailers

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A-5

A-5

INSTALLATION

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COOLING SYSTEM

The cooling system has been filled at the factory with a 50-50 mixture of ethylene glycol antifreeze and water. Check the radiator level and add a 50-50 solution as needed. (See the engine manual or antifreeze con- tainer for alternate antifreeze recommendations.)

MUFFLER

This welder is supplied with an adjustable rain cap for the muffler. Install the rain cap using the clamp provid- ed with the outlet facing away from the direction in which this unit will be transported. This will minimize the amount of water and debris that could enter the muffler during transportation.

EXHAUST SPARK ARRESTER

Some federal, state, or local laws may require that engines be equipped with exhaust spark arresters when they are operated in certain locations where unarrested sparks may present a fire hazard. The stan- dard mufflers included with these welders do not qual- ify as spark arresters. When required by local regula- tions, a suitable spark arrester must be installed and properly maintained.

TRAILERS

If you use a non-Lincoln trailer, you must assume responsibility that the method of attachment and usage does not result in a safety hazard nor damage the welding equipment. Some of the factors to be consid- ered are as follows:

1.Design capacity of the trailer vs. the weight of the Lincoln equipment and likely additional attach- ments.

2.Proper support of, and attachment to, the base of the welding equipment so there will be no undue stress to the framework.

3.Proper placement of the equipment on the trailer to ensure stability side to side and front to back. This includes when being moved and when standing by itself for operation or service.

4.Typical conditions of use, such as travel speed, roughness of the surfaces where the trailer will be used, environmental conditions, likely maintenance.

5.Conformance with federal, state, and local laws. Consult applicable federal, state, and local laws about specific requirements for use on public high- ways.

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CAUTION

Use of an incorrect arrester may lead to engine dam- age or performance loss. Contact the engine manu- facturer for specific recommendations.

CLASSIC I

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Contents Classic I 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 InstallationStoring Safety PrecautionsLocation and Ventilation PRE-OPERATION Engine Service Trailers Cooling SystemMuffler Exhaust Spark ArresterFigure A.1 Ground Stud Location Machine GroundingCable size for combined length Auxiliary Power Receptacle PLUGS, and HAND-HELD EquipmentElectrical Output Connections Welding Cable ConnectionsClassic Table of Contents Operation Section Operating Instructions Safety InstructionsOperation Generator Operational Features and ControlsRecommended Applications WelderWELDER/GENERATOR Controls Controls and SettingsFigure B.2 Current Controls Control of Welding CurrentReturn Section TOC Gasoline Engine ControlsStarting the Engine Engine OperationBefore Starting the Engine BREAK-IN Period Stopping the EngineCold Weather Starting After you finish welding Welding OperationTable B.1 Range Settings for Wire SIZE/SPEED Auxiliary PowerTable of Contents Accessories Semiautomatic Welding Accessories OPTIONS/ACCESSORIESClassic I Across the ARC with Connection of Lincoln Electric Wire FeedersWire Feed Module see Figure C.1 Connection of the LN-25 toClassic Table of Contents Maintenance Engine Maintenance Safety Precautions Routine and Periodic MaintenanceFigure D.1 OIL Drain and Refill MAX MIN Figure D.2A Engine Coolant Drain Plug Tool. See Figure D.4 After cleaning or when installing a new spark plugGap Specifications 0.032 inch .8 mm Set the terminal gap with a feeler gauge or gappingClassic I charging system is Negative Battery MaintenanceReturn to Section Return to Section TOC WELDER/GENERATOR MaintenanceIdler Maintenance Figure D.5 Major Component Locations Classic Table of Contents Theory of Operation Section General Description BATTERY, STARTER, Engine Alternator and OIL Switch CircuitTheory of Operation Main SHUNT, Interpole and Series Coils ENGINE, Main Generator Armature and Frame and DC ExciterExcitation Flashing Engine Idler Circuit Fine Current AdjustmentCurrent Range Selector DC Generator Machines Return to Section TOC Table of Contents Troubleshooting & Repair Section HOW to USE Troubleshooting Guide Troubleshooting & RepairPC Board can be damaged by static electricity PC Board Troubleshooting ProceduresDetailed in the beginning of this manual Troubleshooting GuideObserve Safety Guidelines Shunt Field Winding Test Main Generator Throttle Adjustment Test Output Problems Function Problems Troubleshooting & Repair Engine Problems Welding Problems Materials Needed DC Exciter TestTest Description DC Exciter Test Test ProcedureFigure F.2 Exciter Cover Removal Shunt Coil and Series Coil Resistance Tests Small Flex Lead SolidIdler 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 Strobe Tach Method Engine Throttle Adjustment TestAdjust High Idle Engine Throttle Adjustment TestAdjust Low Idle Description Flashing the FieldsFlashing the Fields ProcedureFigure F.11 Brush HOLDER/BATTERY Jumper Connections High Idle no Load Fine Current Control Rheostat AT Maximum Scope SettingsNormal Open Circuit Voltage Waveform 115VDC Supply Normal Open Circuit DC Weld Voltage Waveform Typical DC Weld Voltage Waveform Machine Loaded Selector Switch AT MaximumDC Exciter Armature and Field Coils Removal and Replacement DC Exciter Armature and Field Coils DC Exciter Armature Removal ProcedureReassembly Perform the DC Exciter Armature Removal Procedure Field Coils Removal ProcedureMain Generator Frame Removal and Replacement Replacement Bolt / NUT Main Generator Frame RemovalPerform the DC Exciter Armature Removal Lead Figure F.16 Selector Switch Lead Removal TerminalFigure F.18 Choke Control Cable Removal Loosen Here Main Generator Frame Removal Figure F.20 Front Panel Fastener Removal Troubleshooting & Repair Remove Mounting NUTS, Washers Bolts FeetPerform the DC Exciter Armature Reassembly Procedure Main Generator Armature Removal and Replacement Armature is now free to be removed from the engine Main Generator Armature RemovalWelder DC Output DC Auxiliary Power Receptacle OutputRetest After Repair Engine OutputElectrical Diagrams Section Wiring Diagram Classic Electrical DiagramsWiring Diagram Wire Feed Module Wire Feed Module Wiring Diagram16990 M Schematic Idler PC BoardIdler PC Board Assembly Idler PC Board