Lincoln Electric UWW-170 manual Problems Possible Areas Symptoms Misadjustments

Page 40

E-2

 

TROUBLESHOOTING

 

E-2

 

 

 

 

 

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. See

 

 

does NOT operate.

 

 

 

Installation section, “Electrical

 

 

 

 

 

 

Connections”.

 

 

 

 

 

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.

 

 

 

 

 

3.

Check Gun Trigger connections.

 

 

 

 

 

 

See Installation section.

 

 

 

 

 

4.

Gun trigger may be faulty.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RECOMMENDED COURSE OF ACTION

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

SP 170-I

Image 40
Contents SP 170-I and UWW-170 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 Installation 2INSTALLATIONA-2 Safety PrecautionsIdentify and Locate Components Electric Shock can killSelect 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 DescriptionControls and Settings Welding CapabilityWire Loading Friction Brake AdjustmentWelding Operations Sequence of OperationFigure B.4 Process 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 ARCProcess Selection Gmaw MIG Welding ARCFor Gmaw MIG Process Common Metals Joint Types and PositionsFor Fcaw Innershield Process Butt WeldsPenetration 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 170-I, 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 Output Polarity Application ChartDrive Roll Orientation Accessories Optional AccessoriesK464 .035 0.9 mm Innershield Welding Kit K491 .045 1.2 mm Innershield Welding KitReplacement Parts Innershield Fcaw ConversionMaintenance Safety Precautions MaintenanceRoutine Maintenance GUN and Cable Maintenance Configuration of Components in Wire Feeding SystemGun Cable Cleaning Contact Tip Cable Liner Drive RollChanging Drive Roll SP 170-I only Component Replacement ProceduresChanging Drive Roll UWW-170 only Changing Liner Fully seat the liner bushing into the conGUN Handle Parts black trigger GUN Handle Parts red triggerTroubleshooting HOW to USE Troubleshooting GuideProblems Possible Areas Symptoms Misadjustments Recommended Course of ActionGAS Flow Problems Welding Problems Wiring WiringPage How To Read Shop Drawings New Lessons in Arc WeldingNeed Welding Training? $700.00Precaucion Warnung