Lincoln Electric SVM 113-A service manual Auxiliary Power

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B-11

B-11

OPERATION

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AUXILIARY POWER

CAUTION

Be sure that any electrical equipment plugged into the generator’s AC power receptacles can withstand a ±10% voltage and a ±3% frequency variation. Some electronic devices cannot be powered by the WEL- DANPOWER 125. Refer to Table A.2, ELECTRICAL DEVICE USE WITH THE WELDANPOWER 125, in the INSTALLATION section of this manual.

GENERAL INFORMATION

The WELDANPOWER 125 generator is rated at 4500 continuous watts (3500 watts CSA). It provides both 115 volt and 230 volt power. You can draw up to 20 amps from either side of the 115 volt duplex recepta- cle, but no more than 37 amps from both sides at once. Up to 18 amps can be drawn from the single 230 volt receptacle.

CAUTION

The 115 volt duplex receptacle is “split phase.” Damage will result if you attempt to connect both sides of this receptacle in parallel to a load.

Electrical loads in watts are calculated by multiplying the voltage rating of the load by the number of amps it

draws. (This information is given on the load device nameplate.) For example, a device rated 115 volts, 2 amps will need 230 watts of power (115 x 2 = 230).

You can use Table B.3, GENERATOR POWER APPLI- CATIONS, to determine the wattage requirements of the most common types of loads you can power with the WELDANPOWER 125. Be sure to read the notes at the bottom of the table.

TO USE THE WELDANPOWER 125 AS AN AUXILIARY POWER SUPPLY:

1.Start the gasoline engine. See Engine Operation in this section of the manual.

2.Set the current control dial on the output control panel to “MAX.”

3.Plug the load(s) into the appropriate 115 volt or 230 volt power receptacle.

NOTE: During welding, the maximum generator out- put for auxiliary loads is 100 watts.

NOTE: You can supply multiple loads as long as they are isolated from each other and the total load does not exceed 4,500 watts (3500 watts CSA). Be sure to start the largest loads first.

WELDANPOWER 125

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Contents Weldanpowertm California Proposition 65 Warnings SafetyElectric Shock can kill Cylinder may explode if damaged Précautions DE Sûreté Master Table of Contents for ALL Sections Table of Contents Installation Section Technical Specifications Weldanpower InstallationLocation and Ventilation Safety PrecautionsStoring PRE-OPERATION Engine Service Welding Cable Connections Electrical Output ConnectionsMachine Grounding Auxiliary Power ReceptaclesPlugs and HAND-HELD Equipment Circuit Breakers Premises WiringThese Devices Without Table of Contents Operation Section Operation Safety InstructionsOperating Instructions General DescriptionDesign Features Advantages Operational Features and ControlsRecommended Applications Welding CapabilityWELDER/GENERATOR Controls Controls and SettingsFigure B.2 Gasoline Engine Controls Gasoline Engine ControlsBefore Starting the Engine Engine OperationStarting the Engine For Best Engine Starting Stopping the EngineBREAK-IN Period Welding OperationGeneral Information LOW OIL SensingTIG Welding To USE the Weldanpower 125 for WELD- INGTable B.2 Electrode Selection Guide To USE the Weldanpower 125 AS AN Auxiliary Power Supply Auxiliary PowerTable B.3 Generator Power Applications Table of Contents Accessories Lincoln Electric Accessories OPTIONS/ACCESSORIESBriggs and Stratton Accessories Table of Contents Maintenance Engine Maintenance Routine and Periodic MaintenanceMaintanence Figure D.3 Clean Finger GuardFigure D.5 SET Spark Plug GAP Table D.2 Engine Maintenance Parts WELDER/GENERATOR MaintenanceFigure D.6 Major Component Locations Table of Contents Theory of Operation Section Idler Board ENGINE, EXCITATION, Rotor and StatorAuxiliary Power Overcurrent Protection Rotor Field Feedback Auxiliary Power Engine Idle ControlFigure E.4 Weld WINDING, Output Rectifier and Choke Weld WINDING, Output Rectifier and ChokeTable of Contents Trouble Shooting & Repair Section HOW to USE Troubleshooting Guide Troubleshooting & RepairElectric Shock can kill PC Board Troubleshooting ProceduresOutput Problems Troubleshooting GuideOutput Rectifier Troubleshooting & Repair Perform the Engine Throttle Engine Problems Main Stator Winding Test Engine Throttle Adjustment Troubleshooting & Repair Weldanpower Test Description Rotor Voltage TestMaterials Needed Rotor Voltage Test Test ProcedureRotor Resistance Test Rotor Resistance Test Figure F.3 Brushes Retained with Cable TIE Output Rectifier Bridge Test Output Rectifier Bridge Test Main Stator Test Main Stator Test Figure F.6 Main Stator Molex Plug Test Points Rotor Flashing Circuit Test Rotor Flashing Circuit Test WP125 Idler Engine Throttle Adjustment Test Test Procedure Figure F.12 Idle Speed Adjustment Screw Locations Figure F.13 LOW Idle Adjustment NUT on Idler Solenoid TOC Normal Open Circuit Weld Voltage Waveform Scope SettingsHigh Idle no Load Output Control AT Maximum Normal Open Circuit Voltage Waveform 115 VAC Supply Machine Loaded Typical Weld Output WaveformMachine Loaded to 125 Amps AT 25 VAC Abnormal Open Circuit Weld Voltage Waveform Description Brush Removal and ReplacementFigure F.14 Brushes Retained with Cable TIE ProcedureProcedure Rheostat Removal and Replacement Rheostat Removal and Replacement Field Capacitor Removal and Replacement Field Capacitor Removal and Replacement Field Diode Bridge Removal and Replacement Field Diode Bridge Removal and Replacement Figure F.18 Field Diode Bridge Location Idler Printed Circuit Board Removal Replacement Carefully remove the board Output Rectifier Bridge Removal Replacement Output Rectifier Bridge Removal and Replacement Troubleshooting & Repair Output Choke Removal and Replacement Output Choke Removal and Replacement Section TOC Instructions STATOR/ROTOR Removal and ReplacementStator Removal Procedure Troubleshooting & Repair Reassembly Procedure Rotor Removal ProcedureFigure F.24 Checking ROTOR-STATOR AIR GAP Feeler Gauge Troubleshooting & Repair Retest After Repair Auxiliary Power Receptacle OUTPUT1Engine Output WELDER/GENERATOR OUTPUT1Weldanpower Table of Contents Diagrams Section Wiring Diagram Code 10158 Schematic DiagramsIdler PC Board M17578 Dimension Print Weldanpower Weldanpower M17578-1 M17578 Idler PC BoardDescription M17578 Idler PC Board Bill of MaterialsWeldanpower