Lincoln Electric IM536-D manual Welding Problems

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E-4			TROUBLESHOOTING

Observe Safety Guidelines

detailed in the beginning of this manual.

TROUBLESHOOTING GUIDE

PROBLEMS	POSSIBLE AREAS OF		RECOMMENDED
(SYMPTOMS)	MISADJUSTMENT(S)		COURSE OF ACTION

		WELDING PROBLEMS
Arc is unstable – Poor starting	1. Check for correct input voltage
		to machine – 115 vac.
	2.	Check for proper electrode
		polarity for process.
	3.	Check gun tip for wear or dam-	Contact your local Lincoln
		age – Replace.	Authorized Field Service Facility.
	4.	Check for proper gas and flow
		rate for process.
	5.	Check work cable for loose or
		faulty connections.
	6.	Check gun for damage or
		breaks.

CAUTION

If for any reason you do not understand the test procedures or are unable to Perform the tests/repairs safely, contact your

LOCAL AUTHORIZED LINCOLN ELECTRIC FIELD SERVICE FACILITY for assistance before you proceed.

SP-125 PLUS

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Contents SP-125 Plus Safety California Proposition 65 WarningsElectric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Please Examine Carton and Equipment For Damage ImmediatelyTable of Contents Vii Installation Electric Shock can kill Safety PrecautionsIdentify and Locate Components Work Clamp Installation Work Cable InstallationSelect Suitable Location StackingGAS Connection GUN InstallationConnecting Gun Cable to the SP-125 Plus Gas Solenoid Inlet Fitting Power Input Cable Input ConnectionsCode Requirements for Input Connections Requirements For Rated OutputRequirements For Maximum Output Requirements For CSA Rated OutputObserve all safety information throughout this manual OperationFumes and Gases can be dangerous Welding Sparks can cause fire or explosionControls and Settings Design Features AdvantagesGeneral Description Welding CapabilitySequence of Operation Wire LoadingWelding Operations Friction Brake Adjustments Wire ThreadingShielding Gas Making a WeldProcess Guidelines Changing Machine Over to Feed Other Wire SizesCleaning Tip And Nozzle Wire Feed Overload Protection Overload ProtectionOutput Overload Thermal ProtectionLearning to Weld Learning to WeldARC-WELDING Circuit SELF-SHIELDED Fcaw Welding ARCFor Gmaw MIG Process Gmaw MIG Welding ARCProcess Selection Common Metals Joint Types and PositionsFor Fcaw Innershield Process Butt WeldsFillet Welds Welding In The Vertical PositionPenetration Machine SET UP for the SELF-SHIELDED Fcaw Process Welding Techniques for the SELF- Shielded Fcaw ProcessVertical-down Welding Correct Welding PositionCorrect Electrical Stickout ESO Correct Welding SpeedHelpful Hints PracticeMachine SET UP for the Gmaw MIG Process Welding Techniques for the Gmaw MIG ProcessFigure B.24 Troubleshooting Welds To Eliminate a Ropy Convex Bead in order of importanceTo Correct Poor Penetration in order of impor- tance To Eliminate Stubbing* in order of importanceProper Gun Handling Application Chart Accessories Optional AccessoriesK1799-1 Argon-Mixed Gas Adjustable Regulator and Hose Kit K586-1 Deluxe Adjustable Gas Regulator Hose KitReplacement Parts Innershield Fcaw ConversionMaintenance Maintenance Safety PrecautionsItems Requiring no Maintenance Routine and Periodic MAINTE- NanceGUN and Cable Maintenance Configuration of Components in Wire Feeding SystemFor Magnum 100L GUN Contact Tip Cable Liner Drive RollChanging the Contact TIP Changing Drive RollChanging Liner Liner trim length for gun with red trigger Magnum 100LGUN Handle Parts Figure D.3 SP-125 PlusTroubleshooting HOW to USE Troubleshooting GuideRecommended Course of Action Troubleshooting GuideProblems Possible Areas Symptoms Misadjustments Feeding Problems Welding Problems Wiring Diagrams SP-125 PlusSP-125 Plus SP-125 Plus How To Read Shop Drawings New Lessons in Arc WeldingNeed Welding Training? $700.00Precaucion Warnung

TROUBLESHOOTING

TROUBLESHOOTING GUIDE

WELDING PROBLEMS