Lincoln Electric SVM197-A service manual Engine Throttle Adjustment Test

Page 59

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F-11

TROUBLESHOOTING AND REPAIR

F-11

TROUBLESHOOTING GUIDE - Observe Safety Guidelines detailed in the beginning of this manual.

PROBLEMS

POSSIBLE AREAS OF

 

RECOMMENDED

 

(SYMPTOMS)

MISADJUSTMENTS(S)

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

WELDING PROBLEMS

 

 

 

 

 

 

 

 

The welding arc is “cold.” The

1. Check for loose or faulty con-

1.

Check for the correct open cir-

engine runs normally (3700 RPM, no

nections at the weld output

 

cuit voltage (OCV) at the welder

load). Auxiliary power is functioning

terminals and welding cable con-

 

output terminals – 62 VAC is nor-

normally.

nections.

 

mal.

 

 

 

 

2. The welding cable may be too

 

If the correct voltage is present

 

long or coiled, causing an exces-

 

at the output terminals, check for

 

sive voltage drop.

 

loose connections on the heavy

 

 

 

current-carrying leads inside the

 

 

 

POWERARC® 5500.

See the

 

 

 

Wiring Diagram.

 

 

 

 

2.

If the OCV is low at the welder

 

 

 

output

terminals,

perform

 

 

 

Engine

Throttle

Adjustment

 

 

 

Test.

 

 

 

 

 

3.

Check for shorted or grounded

 

 

 

windings in the reactor (L1) and

 

 

 

also in

the

main

stator.

 

 

 

See the Wiring Diagram.

 

 

 

 

 

 

 

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 1-888-935-3877.

POWERARC® 5500

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Contents Powerarc ISAFETYi Electric Shock can kill ARC Rays can burn SafetyIii For ElectricallyPrécautions DE Sûreté Electromagnetic Compatibility EMC Safety Master Table of Contents for ALL Sections Table of Contents Installation Section Technical Specifications Powerarc InstallationEngine Exhaust can kill Safety PrecautionsLocation and Ventilation StoringPRE-OPERATION Engine Service Honda 9 HP PowerArc 5500 Typical Fuel ConsumptionMuffler Deflector Spark ArresterCable Size and Length Powerarc 5500 Output ConnectionsElectrical Output Connections Welding Cable ConnectionsMachine Grounding Auxiliary Power ReceptaclesCable Installation Plugs and HAND-HELD EquipmentCircuit Breakers Premises WiringType Common Electrical Devices Possible Concerns Table A.2 Electrical Device USE with the PowerarcPowerarc Table of Contents Operation Section Operation Physical Location of Components may vary by Code No Controls and SettingsLimitations Output Panel ControlsGasoline Engine Controls Engine OperationStarting the Engine Before Starting the EngineRunning the Engine Generator OperationStopping the Engine General InformationTable B.3 Generator Power Applications Control Function / Operation Current Control Dial Welding OperationWelding Guidelines Material Thickness Electrode Type Size SettingWelding circuit for Stick shielded metal arc welding What Happens in the Arc?Correct Welding Speed Correct Welding PositionCorrect Way to Strike An Arc Correct Arc LengthDo the following Common MetalsTypes of Welds Use the followingWelding in the Vertical Position PenetrationVertical-Down Welding Vertical-Up WeldingWelding Sheet Metal How to Hardface the Sharp Edge Metal to Ground WearOverhead Welding Hardfacing To Reduce WearCast Iron Plate Preparation Welding Cast IronOut-of-Position Group AWS E6011 Selecting ElectrodesHigh-Speed Group AWS E6013 Low Hydrogen Group AWS E7018Powerarc Table of Contents Accessories Section Lincoln Electric Accessories AccessoriesOPTIONS/ACCESSORIES Table of Contents Maintenance Section Engine Maintenance MaintenanceRoutine and Periodic Maintenance Figure D.3 Clean Rotating SCREEN/FINGER GUARD/DEBRIS Guard Engine AdjustmentsPart Robin / Subaru Honda Table D.1 Engine Maintenance PartsDo not attempt to polish slip rings while engine is running GENERATOR/WELDER MaintenanceFigure D.6. Major Component Locations 1TABLE of CONTENTS-THEORY of Operation Section E-1 ENGINE, EXCITATION, Rotor and Stator Theory of OperationEngine Control and Ignition Return Rotor Field Feedback Auxiliary PowerWeld Winding and Reactor Auxiliary Power Overcurrent Protection1TABLE of Contents Troubleshooting and Repair F-1 HOW to USE Troubleshooting Guide 2TROUBLESHOOTING and REPAIRF-2Troubleshooting and Repair Output Problems Perform the Rotor and Flashing Voltage Test Troubleshooting and Repair Troubleshooting and Repair Rotor Resistance Test Engine Problems Troubleshooting and Repair Engine Throttle Adjustment Test Powerarc Materials Needed Test DescriptionLead 14TROUBLESHOOTING and REPAIRF-14Rotor Voltage Test Procedure Flashing Voltage Test ProcedureRotor Resistance Test Procedure Rotor Resistance Test Procedure Figure F.3 Brushes Retained with Cable TIE Powerarc Engine Throttle Adjustment Test ROBIN/SUBARU Engine ROBIN/SUBARU Engine Engine Throttle Adjustment TestHigh Speed Stop Screw High Idle no Load Scope SettingsNormal Open Circuit Weld Voltage Waveform Normal Open Circuit Voltage Waveform 115 VAC Supply Machine Loaded to 125 Amps AT 23 VAC Typical Weld Output WaveformMachine Loaded Brush Removal and Replacement Procedure Brush Removal and Replacement Procedure Powerarc Rheostat Removal and Replacement Procedure Rheostat Removal and Replacement Procedure Troubleshooting and Repair Attachment for 201 201A Jumper Procedure Capacitor Removal and REPLACE- MentCapacitor AND/OR Diode Bridge Attachment for 202A Cable Tie CapacitorFigure F.10 Field Diode Bridge Location Procedure Field Diode Bridge Removal and ReplacementPowerarc STATOR/ROTOR Removal and Replacement Procedure STATOR/ROTOR Stator Removal ProcedureSection TOC Rotor Removal Procedure Procedure Reactor Bolts Lead WELDER/GENERATOR OUTPUT1 Auxiliary Power Receptacle OUTPUT1Retest After Repair Engine OutputPowerarc Table of Contents Diagram Section Wiring Diagram Codes 11182, 11187, 11329 S25984 Electrical DiagramsSwitch Wiring Diagram Codes 11403, 11405 S26829Wiring Diagram Code 11404 S26830 Wiring Diagram Power ARCWiring Diagram Code 11215 S26023 S26008 Schematic -CODES 11182, 11187, 11329 S26008S26881 Schematic Codes 11403, 11405 S26881S26882 Schematic Code 11404 S26882
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