Lincoln Electric IM767 specifications GAS Flow Problems

Page 42

E-4

TROUBLESHOOTING

E-4

Observe Safety Guidelines

detailed in the beginning of this manual.

TROUBLESHOOTING GUIDE

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

 

POSSIBLE

 

 

RECOMMENDED

 

 

(SYMPTOMS)

 

 

CAUSE

 

 

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.

 

 

 

 

 

 

Contact your local Authorized Field

 

 

 

 

 

2.

Check gun connection to

 

 

Service Facility.

 

 

 

 

 

 

machine for obstruction or leaky

 

 

 

 

 

 

 

 

 

seals.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 Authorized Field

 

 

 

 

 

 

age – Replace.

 

 

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 FIELD SERVICE FACILITY for assistance before you proceed.

WELDMARK 135 PLUS

Image 42
Contents Weldmark 135 Plus Safety California Proposition 65 WarningsElectric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcPlease Examine Carton and Equipment For Damage Immediately On-Line Product RegistrationTable of Contents Installation Technical Specifications Weldmark 135 PlusSafety Precautions Identify and Locate ComponentsElectric Shock can kill Select Suitable Location Work Clamp InstallationWork Cable Installation StackingGUN Installation Connecting Gun Cable to the Weldmark 135 PlusGAS Connection Input Input ConnectionsGas Solenoid Inlet Fitting CableCode Requirements for Input Connections Requirements For Rated OutputRequirements For Maximum Output Fumes and Gases can be dangerous Observe all safety information throughout this manualOperation Welding Sparks can cause fire or explosionGeneral Description Controls and SettingsDesign Features Advantages Welding CapabilityWire Loading Welding OperationsSequence of Operation Friction Brake Adjustment Wire Threading4OPERATIONB-4 Shielding Gas Making a WeldChanging Machine Over to Feed Other Wire Sizes Cleaning Tip And NozzleProcess Guidelines Output Overload Wire Feed Overload ProtectionOverload Protection Thermal ProtectionARC-WELDING Circuit Learning to WeldLearning to Weld SELF-SHIELDED Fcaw Welding ARCGmaw MIG Welding ARC Process SelectionFor Gmaw MIG Process Common MetalsJoint Types and Positions For Fcaw Innershield ProcessWelding In The Vertical Position PenetrationFillet Welds Vertical-down Welding Machine SET UP for the SELF-SHIELDED Fcaw ProcessWelding Techniques for the SELF- Shielded Fcaw Process 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 Weldmark 135 PLUS, use Following To 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 Accessories Optional AccessoriesK586-1 Deluxe Adjustable Gas Regulator Hose Kit Replacement Parts Innershield Fcaw ConversionItems Requiring no Maintenance MaintenanceMaintenance Safety Precautions Routine and Periodic MAINTE- NanceFor Magnum 100L GUN GUN and Cable MaintenanceConfiguration of Components in Wire Feeding System Contact Tip Cable Liner Drive RollChanging the Contact TIP Changing Drive RollChanging Liner GUN Handle PartsLiner trim length for gun with red trigger Magnum 100L Troubleshooting HOW to USE Troubleshooting GuideTroubleshooting Guide Output ProblemsProblems Possible Symptoms Cause Recommended Course of ActionGAS Flow Problems Wiring Diagrams SP-135PLUSWIRINGWIRINGDIAGRAMDIAGRAMSWeldmark 135 Plus Precaucion Warnung Manufactured by Lincoln Electric Company