Lincoln Electric SVM204-A service manual General Description, Design Features Advantages

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B-4

OPERATION

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GENERAL DESCRIPTION

The OUTBACK® 185 is designed for commercial use welder/generator applications. As a welder it provides 185 amps of DC constant current for welding with DC stick electrodes. A single dial lets you select a full range of welding output from 50 to 185 amps.

As a generator it can supply up to surge watts or con- tinuous watts of 120 / 240 volt, single-phase AC power. The machine is portable.

A Kohler CS 12.75 HP air cooled, OHV gasoline engine powers the welder / generator. It has an engine warranty of 3 years.

DESIGN FEATURES AND

ADVANTAGES

185 amp DC constant current welding for stick electrodes.

Lightweight / portable.

Full range, continuous welding output control with a single knob.

Automatic shutdown under low oil level condition.

Hour Meter Standard.

Surge watts or Watts of continuous 120 / 240 volt single phase AC auxiliary power.

Kohler CS 12.75 HP overhead cam air-cooled gasoline engine. Smooth running, long life.

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RECOMMENDED APPLICATIONS

Welder

The OUTBACK® 185 provides excellent constant cur- rent DC welding output for stick (SMAW) welding.

Generator

The OUTBACK® 185 gives smooth AC generator out- put for continuous auxiliary power usage within the engine manufacturer’s required maintenance recom- mendations.

OPERATIONAL FEATURES AND CONTROLS

The OUTBACK® 185 was designed for simplicity. Therefore, it has very few operating controls. A single dial on the control panel lets you select either welder or generator use. For welding, the same dial selects continuous current output over the machine’s 50 to 185 amp range.

The gasoline engine controls include a recoil starter, choke and stop switch. See ENGINE OPERATION in the OPERATION section of this manual for details about starting, running, stopping, and breaking in the gasoline engine.

WELDING CAPABILITY

The OUTBACK® 185 rated 185 amps, 20 VDC at 10% duty cycle on a ten-minute basis. This means that you can load the welder to 185 amps for one minute out of every ten-minute period. The machine is capable of higher duty cycles at lower output currents. For exam- ple, you can load the welder to 120 amps for ten min- utes out of ten for a 100% duty cycle.

The current is continuously variable from 50 to 185 amps DC. The OUTBACK® 185 can, therefore, weld with all 3/32”, 1/8” and most 5/32” diameter Lincoln DC electrodes.

LIMITATIONS

The OUTBACK® 185 is not recommended for any processes besides those that are normally per- formed using stick welding (SMAW) procedures.

The OUTBACK® 185 is not recommended for pipe thawing.

During welding, generator power is limited to 100 watts, and output voltages can drop from 120 to 80 volts and 240 to 160 volts. Therefore, DO NOT OPERATE ANY SENSITIVE ELECTRICAL EQUIP- MENT WHILE YOU ARE WELDING.

OUTBACK® 185

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Contents Outback Safety California Proposition 65 WarningsElectric Shock can kill ARC Rays can burn Can be dangerousPowered equipment Welding CuttingCylinder may explode Sparks can cause fire or If damaged ExplosionPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcSafety Methods of Reducing Emissions Mains Supply Master Table of Contents for ALL Sections Table of Contents Installation Section Installation Technical Specifications Outback 185 K2706-1AC Auxiliary Power Bore x StrokeStoring Safety PrecautionsLocation and Ventilation PRE-OPERATION Engine Service StackingTilting OILCable Size and Length Cable Amps Length 30% Duty CycleCable Installation Machine GroundingAuxiliary Power Receptacles Premises WiringCircuit Breakers See Figure A.1Table A.2 Electrical Device USE with the Outback Type Common Electrical Devices Possible ConcernsTable of Contents Operation Section Safety Instructions OperationGraphic Symbols Used on this Equipment or in this Manual OIL AIR Cleaner FuelWork Clamp Ground Auxiliary Power BreakerDesign Features Advantages Operational Features and ControlsGeneral Description Recommended ApplicationsWhen in Auto Idle WELDER/GENERATOR ControlsEngine Operation Stopping the EngineOnly qualified Personnel should install, use, or With a Lincoln WireService this equipment Electric Shock can kill120V Receptacle Operation 240V Receptacle OperationTable B.3 Auxiliary Power Applications Outback Table of Contents Accessories Section Accessories OPTIONS/ACCESSORIESTable of Contents Maintenance Section Maintenance Safety Precautions Tighten dipstick firmly before startingTo service the pre-cleaner Kohler CSMaintenance Outback 1TABLE of CONTENTS-THEORY of Operation Section E-1 Engine STARTING, Protection and Battery Charging Theory of OperationEngine STARTING, Protection and Battery Charging contin- ued Automatic Idle System Figure E.4 Automatic Idle SystemBuilding Output AC Output Generating PowerFlashing Generating Power DC Weld OutputWeld Output Control Weld Boost1TABLE of Contents Troubleshooting and Repair F-1 Locate PROBLEM SYMPTOM Troubleshooting and RepairHOW to USE Troubleshooting Guide PC Board Troubleshooting Procedures Disconnecting This plug disables the normalEngine switch Engine shut down functionTroubleshooting and Repair Problems Symptoms Adjustment procedure Engine RPM adjustmentProcedure Troubleshooting and Repair Voltage, and resistance Tests Perform the stator resistance Voltage testsBrush and slip ring service EngineCircuit tests Service procedureBrush and slip Ring Outback Engine RPM Adjustment Procedure Test DescriptionEngine RPM Adjustment Procedure Strobe-Tach MethodControl Lever Frequency Counter MethodTOP View of Engine Vibratach MethodThrottle Adjustment Procedure Low Idle Adjustment Throttle Adjustment ProcedureHigh Idle Adjustment Brush and Slip Ring Service Procedure Procedure DescriptionBrush and Slip Ring Service Procedure Figure F.5 Brush Holder Assembly LocationCleaning Slip Rings Cable TIE BrushesOutback Rotor Flashing and Voltage Test Set the output control to maximum Battery Charging System Test Figure F.8 Charging System Stator Voltage Test Figure F.9 High and LOW Idle Adjustment Stator Voltage TestRotor Resistance and Ground Test Static Slip Rings Brushes Rotor Resistance and Ground Test StaticRotor Resistance and Ground Test Dynamic Rotor Resistance and Ground Test Dynamic Figure F.11 Brush and Slip Ring LocationsStator Short Circuit and Ground Test Perform Case Cover Removal Procedure Stator Short Circuit and Ground TestWeld Boost System Test Figure F.12 High and LOW Idle Adjustment Weld Boost System TestCase Cover Removal and Replacement Procedure Case Cover Removal and Replacement Procedure Figure F.13 Case Cover RemovalFuel Tank and Enclosure Removal and Replacement Procedure Fuel Tank and Enclosure Removal and Replacement ProcedurePerform the Case Cover Removal Procedure Mounting Bracket Battery Outback Control BOX Removal and Replacement Procedure Control BOX Removal and Replacement Procedure Perform the Fuel Tank and Enclosure Removl ProcedureMounting Bracket Battery Outback Stator Removal and Replacement Procedure Stator Removal and Replacement Procedure Perform the Control Box Removal ProcedureInstalling the stator assembly Figure F.19 Nuts & Rubber Engine MountsTolerance Ring Stator Rotor Removal and Replacement Procedure Replacing the Rotor Rotor Removal and Replacement ProcedurePerform the Stator Removal Procedure Retest After Repair No-load test valuesFull load test values Volt receptaclesOutback Table of Contents Diagram Section Wiring Diagram Outback OUTBacKSchEmaTic cOmplETE machiNE cODE 11516 G6205 Equipmenttype