Lincoln Electric GX 271 Recommended Applications, Limitations, Additional Safety Precautions

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B-2

OPERATION

B-2

 

 

 

•One 50 amp 120/240 V AC, single phase power, dual voltage receptacle with two 35 amp circuit breakers. Supplies up to 33 amps of 240 V AC and up to 66 amps of 120 V AC single phase auxiliary power per side to separate branch circuits (not in parallel). Allows easy connection to premises wiring.

•Welding and AC auxiliary power at the same time (within machine total capacity).

OTHER FEATURES

•Overhead valve, V-twin, 20 HP gasoline engine. Designed for long life, easy maintenance and excel- lent fuel economy.

•Engine protection system shuts the engine down with low oil pressure.

•Large maintenance-free battery. Group 58 with 435 cold cranking amps.

•Battery charging ammeter.

•Engine hour meter.

•Extended range 9 U.S. gallon (7.5 Imp. Gal., 34 liters) fuel tank.

•Automatic idler reduces engine speed when not welding or drawing auxiliary power. This feature reduces fuel consumption and extends engine life.

•Compact size fits crosswise in compact size pick-up truck.

•Copper alternator windings for dependability and long life.

•CSA approved.

RECOMMENDED APPLICATIONS

WELDER

The GX-271 provides excellent constant current DC welding output for stick (SMAW) welding and for TIG welding, and it offers constant voltage output for DC semiautomatic wire feed welding.

GENERATOR

The GX-271 gives AC power output for medium use demands.

LIMITATIONS

•The GX-271 is not recommended for any process- es besides those that are normally performed using stick welding (SMAW), TIG welding (GTAW), MIG (GMAW) welding and Innershield® (FCAW) welding.

•The GX-271 is not recommended for pipe thawing.

•During welding, generator power is limited and out- put voltages can drop. Therefore, DO NOT OPER-

ATE ANY SENSITIVE ELECTRICAL EQUIPMENT WHILE YOU ARE WELDING. See Table B.4 for permissible simultaneous welding and auxiliary power loads.

ADDITIONAL SAFETY PRECAUTIONS

Always operate the welder with the roof and case sides in place as this provides maximum protection from moving parts and assures proper cooling air flow.

Read and understand all Safety Precautions before operating this machine. Always follow these and any other safety procedures included in this manual and in the Engine Owner’s Manual.

Only qualified personnel should install, use, or service this equipment.

GX 271 Chopper

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Contents RED-D-ARC Safety California Proposition 65 WarningsElectric Shock can kill Cylinder may explode if damaged Précautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Table of Contents Vii Installation Height Width Depth WeightInstallation Installation Instructions High Altitude Operation PRE-OPERATION Engine ServiceAdditional Safety Precautions LiftingMuffler Battery ConnectionsFuel Spark ArresterMachine Grounding Electrical ConnectionsTotal Combined Length of Electrode and Work Cables Welding Cable ConnectionsAuxiliary Power RECEPTACLES, PLUGS, and HAND-HELD Equipment Premises WiringCircuit Breakers Connection of GX-271 to Premises Wiring Table A.1Operation Safety InstructionsDesign Features Operating InstructionsAdditional Safety Precautions Recommended ApplicationsLimitations Controls and Settings Figure B.1 Output Panel Controls WELDER/GENERATOR ControlsEngine Operation Before Starting the EngineStarting the Engine Stopping the Engine Table B.1 Typical GX-271 Fuel ConsumptionARC Control Welding OperationWelder Controls Function and Operation LocalStick Welding Pipe WeldingTIG Welding Wire Welding Table B.2 Typical Current Ranges 1 for Tungsten ELECTRODES2Table B.3 Summary of Welding Processes and Machine Settings Used SwitchAuxiliary Power Table B.4 GX-271 Simultaneous Welding and Power LoadsSimultaneous Welding and Power Loads Accessories General Options AccessoriesTIG Welding Options Accessories Semiautomatic Fcaw and MIG Welding Options / Accessories Accessories Connection Diagrams Accessories Connection Diagrams Accessories Connection Diagrams Accessories Connection Diagrams GX271 Routine and Periodic Engine Maintenance MaintenanceSafety Precautions Engine Maintenance Parts Table D.1Table D.3 Kohler Engine Maintenance Schedule Table D.2 Honda Engine Maintenance ScheduleTable D.5 OIL Filter Tightening Torques AIR Cleaner ServiceChanging the Engine OIL Table D.4 Engine OIL Refill CapacitiesSpark Plug Service Table D.6 Spark Plug Installation SpecificationsKohler Engine Battery Maintenance Fuel Filter ServiceEngine Adjustments Cleaning the BatteryBrush Removal and Replacement Welder / Generator MaintenanceCleaning Servicing Optional Spark Arrestor1TROUBLESHOOTINGE-1 HOW to USE Troubleshooting GuideTroubleshooting Field Service Facility for technical No welding power output Welding Terminals switch 789 $ % Diagrams Precaucion Warnung
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