Lincoln Electric IM724 manual Contact your local Lincoln Authorized Field Service, Facility

Page 40

 

E-3

 

 

TROUBLESHOOTING

 

 

 

E-3

 

 

 

 

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

 

 

 

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FEEDING PROBLEMS

 

 

 

 

 

 

No wire feed when gun trigger is

 

1.

If the wire drive motor is running

 

 

 

 

 

 

pulled. Fan runs, gas flows and

 

 

make sure that the correct drive

 

 

 

 

 

 

machine has correct open circuit

 

 

rolls are installed in the machine.

 

 

 

 

 

 

voltage (32VDC maximum) weld

 

 

 

If all recommended possible areas

 

 

output.

 

2.

Check for clogged cable liner or

of misadjustment have been

 

 

 

 

 

 

 

contact tip.

checked and the problem persists,

 

 

 

 

 

 

3.

Check for proper size cable liner

Contact your local

Lincoln

 

 

 

 

 

 

Authorized Field

Service

 

 

 

 

 

 

 

and contact tip.

Facility.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

 

RECOMMENDED

 

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

GAS FLOW PROBLEMS

 

 

 

 

Low or no gas flow when gun

 

1. Check gas supply, flow regulator

 

 

 

 

trigger is pulled. Wire feed, weld

 

and gas hoses.

 

 

 

 

output and fan operate normally.

 

2. Check gun connection to

 

If all recommended possible areas

 

 

 

 

 

 

 

machine for obstruction or leaky

 

of misadjustment have been

 

 

 

seals.

 

checked and the problem persists,

 

 

 

 

 

Contact your local

Lincoln

 

 

 

 

 

Authorized Field

Service

 

 

 

 

 

Facility.

 

 

 

 

 

 

 

 

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

SP-135T

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Contents SP-135T 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 ImmediatelyMaster Table of Contents for ALL Sections Installation Technical Specifications SP-135TIdentify and Locate Components Safety PrecautionsElectric Shock can kill Work Clamp Installation Select Suitable LocationOutput Connections StackingGUN Installation Work Cable InstallationConnecting Gun Cable to the SP-135T GAS ConnectionFigure A.5 Code Requirements for Input Connections Input ConnectionsRequirements For Rated Output Design Features OperationGeneral Description Recommended ProcessesWelding Capability Controls and SettingsLimitations Welding Operations Wire LoadingSequence of Operation Friction Brake Adjustment Wire ThreadingProcess Guidelines Cleaning Tip And NozzleMaking a Weld Welding with Gmaw MIG Changing Machine Over to Feed Other Wire SizesOverload Protection Learning to Weld Learning to WeldARC-WELDING Circuit SELF-SHIELDED Fcaw Welding ARCGmaw MIG Welding ARC Process SelectionCommon Metals Joint Types and PositionsFor Gmaw MIG Process For Fcaw Innershield ProcessPenetration Welding In The Vertical PositionFillet Welds 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 ProcessFor the SP-135T, use the following 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 AccessoriesK586-1 Deluxe Adjustable Gas Regulator Hose Kit K549-1 .035 0.9 mm Innershield Welding KitInnershield Fcaw Replacement Parts Conversion Maintenance Safety Precautions MaintenanceRoutine Maintenance GUN and Cable Maintenance Configuration of Components in Wire Feeding SystemFor Magnum 100L GUN Contact Tip Cable Liner Drive RollChanging the Contact TIP Component Replacement ProceduresChanging Drive Roll GUN Handle Parts Changing LinerLiner trim length Troubleshooting HOW to USE Troubleshooting GuideProblems Possible Areas Symptoms Misadjustments Recommended Course of ActionContact your local Lincoln Authorized Field Service FacilityWelding Problems Diagrams SP-135T Wiring DiagramSP-135T Precaucion