Lincoln Electric IM795 manual GAS Flow Problems

Page 32

 

E-3

 

TROUBLESHOOTING

E-3

 

 

Observe Safety Guidelines detailed in the beginning of 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 (33 VDC maximum) weld

 

 

 

 

 

 

Contact your local Lincoln

 

 

 

 

output.

 

 

2.

Check for clogged cable liner or

 

 

Authorized Field Service Facility.

 

 

 

 

 

 

 

 

contact tip.

 

 

 

 

 

 

 

 

 

 

3.

Check for proper size cable liner

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and contact tip.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

 

 

Contact your local Lincoln

 

 

output and fan operate normally.

 

 

2.

Check gun connection to

 

 

Authorized Field Service Facility.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

machine for obstruction or leaky

 

 

 

 

 

 

 

 

 

seals.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 170-I

Image 32
Contents IM795 Safety California Proposition 65 WarningsElectric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcSafety Safety On-Line Product Registration ViiPlease Examine Carton and Equipment For Damage Immediately Table of Contents Installation Electric Shock can kill Safety PrecautionsIdentify and Locate Components Select Suitable Location LimitationsOutput Connections StackingGUN Installation Work Cable InstallationConnecting Gun Cable to the SP GAS ConnectionPower Input Cable Input ConnectionsLine Cord Connection 230 50/60Design Features Advantages Operational Features and ControlsOperation General DescriptionWelding Capability Controls and SettingsSwitch while welding Wire Loading Friction Brake AdjustmentWelding Operations Sequence of OperationFigure B.4 Making a Weld Cleaning Tip And NozzleProcess Guidelines Overload Protection Changing Machine Over to Feed Other Wire SizesWelding with Gmaw MIG Drive Roll Orientation Application ChartOutput Polarity Accessories Optional AccessoriesK464 .035 0.9 mm Innershield Welding Kit K491 .045 1.2 mm Innershield Welding KitMIG Gmaw Conversion Replacement PartsComplete Gun and Cable Assembly Code Routine Maintenance MaintenanceMaintenance Safety Precautions GUN and Cable Maintenance Configuration of Components in Wire Feeding SystemGun Cable Cleaning Contact Tip Cable Liner Drive RollComponent Replacement Procedures Changing Drive RollChanging Liner Figure D.2a Liner trim length for gun Lincoln ElectricGUN Handle Parts Lincoln Electric GUN Handle Parts Magnum 100LTroubleshooting HOW to USE Troubleshooting GuideProblems Possible Areas Symptoms Misadjustments Recommended Course of ActionGAS Flow Problems Welding Problems Wiring Diagrams Page Page Precaucion Warnung