Lincoln Electric IM546 2TROUBLESHOOTING, Troubleshooting Guide, Recommended Course of Action

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E-2TROUBLESHOOTING

TROUBLESHOOTING GUIDE

Observe Safety Guidelines detailed in the beginning of this manual.

PROBLEMS	POSSIBLE AREAS OF
(SYMPTOMS)	MISADJUSTMENT(S)
		OUTPUT PROBLEMS
Major physical or electrical damage	None
is evident.	Contact your local Authorized Field
	Service Facility.

No wire feed, weld output or gas	1.	Make sure correct voltage is
flow when gun trigger is pulled. Fan		applied to the machine (115vac).
does NOT operate.
	2.	Make certain that power switch
		is in the ON position.
	3.	Make sure circuit breaker inside
		wire drive compartment is reset.

No wire feed, weld output or gas	1.	The thermostat may be tripped
flow when gun trigger is pulled Fan		due to overheating. Let machine
operates normally.		cool. Weld at lower duty cycle.
	2.	Check for obstructions in air
		flow. Check Gun Trigger connec-
		tions. See Installation section.

RECOMMENDED COURSE OF ACTION

Contact your local Lincoln Authorized Field Service Facility.

3. Gun trigger may be faulty.

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.

WELD-PAK 100

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Contents Safety Depends on You WELD-PAK 100 PlusSafety ARC Welding can be hazardousCylinder may explode if damaged Electric and Magnetic Fields IiiPrécautions DE Sûreté Sûreté Pour Soudage a LʼArcPlease Examine Carton and Equipment For Damage Immediately Master Table of Contents for ALL Sections Vii INSTALLATIONA-1 Technical Specifications WELD-PAK2INSTALLATION Safety PrecautionsIdentify and Locate Components Output Connections INSTALLATIONA-3Select Suitable Location StackingWork Cable Installation 4INSTALLATIONGUN Installation Connecting Gun Cable to the WELD-PAKINSTALLATIONA-5 Figure A.5Requirements For Rated Output 6INSTALLATIONInput Connections Code Requirements for Input ConnectionsFumes and Gases can be dangerous Observe all safety information throughout this manualOPERATIONB-1 Welding Sparks can cause fire or explosion2OPERATION Welding Operations Wire LoadingOPERATIONB-3 Sequence of OperationFriction Brake Adjustment Wire Threading4OPERATION Process Guidelines Cleaning Tip And NozzleOPERATIONB-5 Making a WeldWelding with Gmaw MIG Changing Machine Over to Feed Other Wire Sizes6OPERATION Overload ProtectionARC-WELDING Circuit Learning to WeldLearning to Weld SELF-SHIELDED Fcaw Welding ARCGmaw MIG Welding ARC Process SelectionFor Gmaw MIG Process Welding Techniques for the SELF- Shielded Fcaw Process Machine SET UP for the SELF-SHIELDED Fcaw ProcessCommon Metals For Fcaw Innershield ProcessCorrect Electrical Stickout ESO Correct Welding SpeedPractice Electrode Voltage Setting Wire Feed Speed ooHelpful Hints Back-SteppingMachine SET UP for the Gmaw MIG Process Welding Techniques for the Gmaw MIG ProcessVoltage Setting Wire Feed Speed oo Mild SteelElectrode Butt Welds Joint Types and PositionsPenetration Fillet WeldsWelding In The Vertical Position Vertical-down WeldingTo Correct Poor Penetration in order of impor- tance Troubleshooting WeldsTo Eliminate a Ropy Convex Bead in order of importance To Eliminate Stubbing* in order of importanceProper Gun Handling Application Chart ACCESSORIESC-1 Optional AccessoriesMIG Conversion 2NOTES MAINTENANCED-1 Maintenance Safety PrecautionsRoutine Maintenance Component Replacement Procedures 2MAINTENANCEGUN and Cable Maintenance For Magnum 100L GUNMAINTENANCED-3 Changing Drive Roll4MAINTENANCE Changing LinerLiner trim length MAINTENANCED-5 GUN Handle Parts6NOTES TROUBLESHOOTINGE-1 HOW to USE Troubleshooting GuideProblems Possible Areas Symptoms Misadjustments 2TROUBLESHOOTINGTroubleshooting Guide Recommended Course of ActionTROUBLESHOOTINGE-3 Feeding Problems4TROUBLESHOOTING Welding ProblemsWiring Diagrams Weldpak 100 Wiring Diagram100 2NOTES WELD-PAK PartsMain Exploded Diagram 2PARTSDescription Reqʼd Complete Drive ASSEMBLY/MOTOR 4PARTSCase Front Assembly PARTS5RECTIFIER, FAN and Bracket Assembly 6PARTSCenter Panel Assembly PARTS7Magnum 100L Assembly 8PARTSSquare Wave TIG Square Wave TIG Need Welding Training? How To Read Shop DrawingsNew Lessons in Arc Welding $700.00Precaucion Guards off Superseded