Figure D.5 Major Component Locations | Lincoln Electric SVM134-A

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D-9

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MAINTENANCE

FIGURE D.5 - MAJOR COMPONENT LOCATIONS

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1.RIGHT CASE SIDE (DOOR)

2.BASE (WITH BATTERY)

3.EXCITER BRUSHES

4.EXCITER

5.GENERATOR

6.GENERATOR BRUSHES

7.OUTPUT TERMINALS

8.FUEL TANK

9.CASE FRONT WITH CONTROL PANEL

10.LEFT CASE SIDE

11.CASE TOP

12.CASE BACK

13.RADIATOR

14.GASOLINE ENGINE

15.AIR CLEANER

16.IDLER CONTROL

9 10

12

11

13

15

14

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8

7

6

16

5

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32

1

CLASSIC I

Image 37

Lincoln Electric SVM134-A service manual Figure D.5 Major Component Locations

Contents

Classic I TM California Proposition 65 Warnings Safety Electric Shock can kill Iii Welding Sparks can cause fire or explosion Sûreté Pour Soudage a L’Arc Précautions DE Sûreté Master Table of Contents for ALL Sections Table of Contents Installation Section Technical Specifications Classic Installation Location and Ventilation Safety PrecautionsStoring PRE-OPERATION Engine Service Muffler Cooling SystemExhaust Spark Arrester Trailers Figure A.1 Ground Stud Location Machine Grounding Electrical Output Connections Auxiliary Power Receptacle PLUGS, and HAND-HELD EquipmentWelding Cable Connections Cable size for combined length Classic Table of Contents Operation Section Operation Safety InstructionsOperating Instructions Recommended Applications Operational Features and ControlsWelder Generator WELDER/GENERATOR Controls Controls and Settings Figure B.2 Current Controls Control of Welding Current Return Section TOC Gasoline Engine Controls Before Starting the Engine Engine OperationStarting the Engine Cold Weather Starting Stopping the EngineBREAK-IN Period After you finish welding Welding Operation Table B.1 Range Settings for Wire SIZE/SPEED Auxiliary Power Table of Contents Accessories Semiautomatic Welding Accessories OPTIONS/ACCESSORIES Wire Feed Module see Figure C.1 Connection of Lincoln Electric Wire FeedersConnection of the LN-25 to Classic I Across the ARC with Classic Table of Contents Maintenance Engine Maintenance Safety Precautions Routine and Periodic Maintenance Figure D.1 OIL Drain and Refill MAX MIN Figure D.2A Engine Coolant Drain Plug Gap Specifications 0.032 inch .8 mm After cleaning or when installing a new spark plugSet the terminal gap with a feeler gauge or gapping Tool. See Figure D.4 Classic I charging system is Negative Battery Maintenance Return to Section Return to Section TOC WELDER/GENERATOR Maintenance Idler Maintenance Figure D.5 Major Component Locations Classic Table of Contents Theory of Operation Section Theory of Operation BATTERY, STARTER, Engine Alternator and OIL Switch CircuitGeneral Description Excitation Flashing ENGINE, Main Generator Armature and Frame and DC ExciterMain SHUNT, Interpole and Series Coils Current Range Selector Fine Current AdjustmentEngine Idler Circuit DC Generator Machines Return to Section TOC Table of Contents Troubleshooting & Repair Section HOW to USE Troubleshooting Guide Troubleshooting & Repair PC Board can be damaged by static electricity PC Board Troubleshooting Procedures Observe Safety Guidelines Troubleshooting GuideDetailed 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 Test Description DC Exciter TestMaterials Needed DC Exciter Test Test Procedure Figure F.2 Exciter Cover Removal Shunt Coil and Series Coil Resistance Tests Small Flex Lead Solid Idler 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 Test Adjust High Idle Engine Throttle Adjustment Test Adjust Low Idle Description Flashing the Fields Flashing the Fields Procedure Figure F.11 Brush HOLDER/BATTERY Jumper Connections Normal Open Circuit Voltage Waveform 115VDC Supply Scope SettingsHigh Idle no Load Fine Current Control Rheostat AT Maximum Normal Open Circuit DC Weld Voltage Waveform Typical DC Weld Voltage Waveform Machine Loaded Selector Switch AT Maximum DC Exciter Armature and Field Coils Removal and Replacement Reassembly DC Exciter Armature Removal ProcedureDC Exciter Armature and Field Coils Perform the DC Exciter Armature Removal Procedure Field Coils Removal Procedure Main Generator Frame Removal and Replacement Replacement Bolt / NUT Main Generator Frame Removal Perform the DC Exciter Armature Removal Lead Figure F.16 Selector Switch Lead Removal Terminal Figure 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 Feet Perform 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 Removal Retest After Repair DC Auxiliary Power Receptacle OutputEngine Output Welder DC Output Electrical Diagrams Section Wiring Diagram Classic Electrical Diagrams Wiring Diagram Wire Feed Module Wire Feed Module Wiring Diagram 16990 M Schematic Idler PC Board Idler PC Board Assembly Idler PC Board