Lincoln Electric 250 GXT manual Polarity Switch, PIN Connector, Local / Remote Control Switch

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OPERATION

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“RANGE” SWITCH

The “Range” switch is used to select one of four amperage ranges with generous overlap for Stick/TIG welding, or one Wire Feed welding range.

Process

Range Setting

Current Range

 

 

 

 

 

 

STICK/TIG

80 Max.

50 to 80 Amps

(constant current)

130 Max.

70 to 130 Amps

(4 range settings)

180 Max.

110 to 180 Amps

 

250 Max.

160 to 250 Amps

 

 

 

WIRE FEED

 

 

(constant voltage)

14 to 22V

Up to 250 Amps

(2 range setting)

18 to 28V

 

 

 

 

 

 

 

CAUTION

Never change the “RANGE” Switch setting while welding. This will damage the switch.

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“CONTROL” DIAL

Provides a fine welding current adjustment within the Range Switch settings in the STICK mode and weld- ing voltage control with the Range switch set in the wire feed mode.

POLARITY SWITCH

Provides three selectable welding polarities: AC, DC+ & DC-

6-PIN CONNECTOR

For attaching optional remote control equipment.

LOCAL / REMOTE CONTROL SWITCH

(See Accessory Section For “K” numbers)

The toggle switch on the control panel labeled "LOCAL" and "REMOTE" provides the option of con- trolling the welding output at the control panel or remotely. Remote connections are made at the 6-pin connector. For control at the control panel set the switch in the "LOCAL" position.

For remote control set the switch in the "REMOTE" position.

CAUTION

Never change the Polarity switch setting while welding. This will damage the switch.

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RANGER® 250 GXT APPROXIMATE FUEL CONSUMPTION

 

 

KOHLER

 

 

23 H.P. COMMAND

 

 

 

Low Idle - No Load

 

.40 Gallons/Hour

2400 RPM

 

(1.50 Liters/Hour)

High Idle - No Load

 

.77 Gallons/Hour

3700 RPM

 

(2.91 Liters/Hour)

AC CC Weld Output

 

1.27 Gallons/Hour

250 Amps @ 25 Volts

 

(4.82 Liters/Hour)

DC CC Weld Output

 

1.50 Gallons/Hour

250 Amps @ 25 Volts

 

(5.69 Liters/Hour)

 

 

 

DC CV Weld Output

 

1.41 Gallons/Hour

250 Amps @ 25 Volts

 

(5.33 Liters/Hour)

Auxiliary Power

 

1.48 Gallons/Hour)

10,000 Watts

 

(5.62 Liters/Hour)

 

 

 

 

RANGER® 250 GXT

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Contents Safety Depends on You Ranger 250 GXTSafety California Proposition 65 WarningsElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiIvSAFETY Précautions DE SûretéThank You TAbLE of Contents Installation Spark Arrester Safety PrecautionsMachine Grounding TowingVehicle Mounting PRE-OPERATION ServiceGasoline FuelLifting Additional Safety PrecautionAngle of Operation High Altitude OperationInstructions Connection of Lincoln Electric Wire FeedersAdditional Safety Precautions Location / VentilationAuxiliary Power Welder OperationDevices Without Addi Tional Resistive Type Loads Auxiliary Power While Welding Simultaneous Welding and PowerSTANDbY Power Connections Connection of Ranger 250 GXT to Premises Wiring GENERAL DESCRIPTION Engine SwitchOperation Welder Controls Function and OperationLocal / Remote Control Switch Polarity SwitchPIN Connector Ranger 250 GXT Approximate Fuel ConsumptionSTARTING/SHUTDOWN Instructions Starting the EngineStopping the Engine Stick Constant Current Welding Wire Feed Welding Processes Constant VoltageWelding Process TIG Constant Current WeldingIdle When not To Start Process Used Mode Welding Summary of Welding Processes Control ElectrodeCAbLE Accessories K1745-1 Welding GAS Cylinder LPG Tank HolderK857 25 ft.7.5m or K857-1100 ft.30.4m Stick WIRE FEEDRECOMMENDED EQUIPMENT TIGRoutine Maintenance MaintenanceSafety Precautions Engine OIL ChangeAIR Cleaner and Other Maintenance OIL Filter ChangeSlip Rings Engine AdjustmentsEngine Maintenance Parts HardwareTROUbLESHOOTING Symptoms Cause Recommended Course of ActionTROUbLESHOOTING Diagrams Diagrams Diagrams Ranger DimensionPrint GXTPrecaucion Warnung

250 GXT specifications

The Lincoln Electric 250 GXT is a powerful and versatile welder designed to meet the needs of professionals and hobbyists alike. With its durable construction and advanced technology, this machine excels in a variety of welding applications, making it a popular choice for those looking to perform stick and TIG welding efficiently.

One of the standout features of the Lincoln Electric 250 GXT is its robust performance. It operates on a reliable 240-volt power source, providing ample power to handle a wide array of welding jobs. The machine has an impressive output range, delivering a maximum welding output of 250 amps, which allows for welding materials from thin sheets to heavy-duty steel components. This versatility makes it ideal for use in both industrial settings and home workshops.

The 250 GXT incorporates Lincoln Electric’s advanced Arc Control technology, which ensures a smooth and stable arc for a superior welding experience. This technology helps to reduce spatter and improve bead appearance, resulting in cleaner welds. Additionally, the machine features an adjustable arc force control, allowing users to tailor the arc characteristics based on the specific requirements of their welding tasks.

Another key characteristic of the 250 GXT is its ease of use. The machine is equipped with a user-friendly control panel, featuring straightforward knobs for setting the amperage and voltage. This intuitive design allows even novice welders to achieve excellent results with minimal training. Moreover, the unit is relatively lightweight and portable, fitting easily into mobile welding projects.

Durability is a hallmark of Lincoln Electric products, and the 250 GXT is no exception. Constructed with high-quality materials, it is built to withstand the rigors of regular use in demanding environments. The machine is also designed with safety features, including thermal overload protection, which prevents overheating and ensures longevity.

In summary, the Lincoln Electric 250 GXT is a top-tier welding machine that combines power, precision, and user-friendliness. Its advanced technologies, robust construction, and versatility make it an ideal choice for welders looking to tackle a wide range of projects with confidence and skill. Whether you are working on fabrications, repairs, or artistic endeavors, the 250 GXT delivers the performance and reliability that professionals demand.
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