Replacement | Lincoln Electric SVM134-A manual

F-36

F-36

TROUBLESHOOTING & REPAIR

	TOC	TOC	MAIN GENERATOR FRAME REMOVAL
	Section	Master	AND REPLACEMENT (continued)
	Section	Master	FIGURE F.13 – BATTERY PANEL REMOVAL
	Return to	Return to
	TOC	TOC
	Section	Master	NEGATIVE
			BATTERY
			CABLE
	Return to	Return to	CABLE
	Return to	Return to
	TOC	TOC	PROCEDURE
	TOC	TOC	1. Turn the engine OFF.	3. Using the 1/2” wrench, remove the negative
	Section	Master	1. Turn the engine OFF.	3. Using the 1/2” wrench, remove the negative
			2. Using the 7/16” wrench, remove the two bolts	battery cable.
			2. Using the 7/16” wrench, remove the two bolts
			and washers and partially slide out the battery
	to	to	mounting panel. See Figure F.13.
	Return	Return

Returnto Section TOC	Return to Master TOC
	CLASSIC I

Image 80

Lincoln Electric SVM134-A service manual Replacement

Contents

Classic I TM Safety California Proposition 65 Warnings Electric Shock can kill Welding Sparks can cause fire or explosion Iii Précautions DE Sûreté Sûreté Pour Soudage a L’Arc Master Table of Contents for ALL Sections Table of Contents Installation Section Installation Technical Specifications Classic Storing Safety PrecautionsLocation and Ventilation PRE-OPERATION Engine Service Cooling System MufflerExhaust Spark Arrester Trailers Machine Grounding Figure A.1 Ground Stud Location Auxiliary Power Receptacle PLUGS, and HAND-HELD Equipment Electrical Output ConnectionsWelding Cable Connections Cable size for combined length Classic Table of Contents Operation Section Operating Instructions Safety InstructionsOperation Operational Features and Controls Recommended ApplicationsWelder Generator Controls and Settings WELDER/GENERATOR Controls Control of Welding Current Figure B.2 Current Controls Gasoline Engine Controls Return Section TOC Starting the Engine Engine OperationBefore Starting the Engine BREAK-IN Period Stopping the EngineCold Weather Starting Welding Operation After you finish welding Auxiliary Power Table B.1 Range Settings for Wire SIZE/SPEED Table of Contents Accessories OPTIONS/ACCESSORIES Semiautomatic Welding Accessories Connection of Lincoln Electric Wire Feeders Wire Feed Module see Figure C.1Connection of the LN-25 to Classic I Across the ARC with Classic Table of Contents Maintenance Safety Precautions Routine and Periodic Maintenance Engine Maintenance Figure D.1 OIL Drain and Refill MAX MIN Figure D.2A Engine Coolant Drain Plug After cleaning or when installing a new spark plug Gap Specifications 0.032 inch .8 mmSet the terminal gap with a feeler gauge or gapping Tool. See Figure D.4 Battery Maintenance Classic I charging system is Negative WELDER/GENERATOR Maintenance Return to Section Return to Section TOC Idler 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 Troubleshooting & Repair HOW to USE Troubleshooting Guide PC Board Troubleshooting Procedures PC Board can be damaged by static electricity Detailed 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 Test Procedure DC Exciter Test Figure F.2 Exciter Cover Removal Small Flex Lead Solid Shunt Coil and Series Coil Resistance Tests 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 Engine Throttle Adjustment Test Strobe Tach Method Engine Throttle Adjustment Test Adjust High Idle Adjust Low Idle Flashing the Fields Description Procedure Flashing the Fields Figure 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 Machine Loaded Selector Switch AT Maximum Typical DC Weld Voltage Waveform DC Exciter Armature and Field Coils Removal and Replacement DC Exciter Armature and Field Coils DC Exciter Armature Removal ProcedureReassembly Field Coils Removal Procedure Perform the DC Exciter Armature Removal Procedure Main Generator Frame Removal and Replacement Replacement Main Generator Frame Removal Bolt / NUT Perform the DC Exciter Armature Removal Figure F.16 Selector Switch Lead Removal Terminal Lead Figure 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 Bolts Perform 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 engine DC Auxiliary Power Receptacle Output Retest After RepairEngine Output Welder DC Output Electrical Diagrams Section Electrical Diagrams Wiring Diagram Classic Wire Feed Module Wiring Diagram Wiring Diagram Wire Feed Module Schematic Idler PC Board 16990 M PC Board Assembly Idler PC Board Idler