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TAbLE OF CONTENTS

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Page

Installation

Section A

Technical Specifications

A-1

Safety Precautions

A-2

Machine Grounding

A-2

Spark Arrester

A-2

Towing

A-2

Vehicle Mounting

A-3

Pre-Operation Engine Service

A-3

Fuel, Oil, Battery Connections

A-3

Welding Cable Connections

A-4

Angle of Operation

A-4

Lifting, Additional Safety Precautions

A-4

High Altitude Operation

A-4

Muffler Outlet Pipe

A-4

Location and Ventilation

A-5

Stacking

A-5

Connection of Wire Feeders

A-5

Connection of Tig Module

A-5

Additional Safety Precautions

A-5

Welding Operation Output, Auxiliary Power Receptacles, and Plugs

A-6

Motor Starting and Extension Cord Length Table

A-6

Electrical Device Used with the Ranger® 250 GXT

A-7

Auxiliary Power While

Welding, Standby Power Connections

A-8

Premises Wiring

A-9

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Operation

Section b

Safety Precautions

B-1

General Description

B-1

Welder Controls Function and Operation

B-1

Polarity, Range and Control Switch

B-2

Start in/Shutdown Instructions

B-3

Starting the Engine

B-3

Safety Precautions

B-3

Stopping the Engine

B-3

Break-In Period

B-3

Welding Process

B-4

Stick (Constant Current) Welding

B-4

TIG (Constant Current) Welding

B-4

Wire Feed Welding Processes (Constant Voltage)

B-4

Arc Gouging

B-4

Summary of Welding Processes

B-5

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Accessories

Section C

Optional Equipment

C-1

Recommended Equipment

C-2

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Maintenance

Section D

Safety Precautions

D-1

Routine Engine Maintenance

D-1,D2

Engine Adjustments

D-3

Slip Rings

D-3

Battery Maintenance

D-3

Engine Maintenance Parts

D-3

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Troubleshooting

Section E

How to Use Troubleshooting Guide

E-1

Troubleshooting Guide

E-2, E-3

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Wiring Diagrams & Dimension Print

Section F

Wiring and Connection Diagrams

F-1, F-2

Dimension Print

F3

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Parts List

P-505, P-634

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Page 7
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Lincoln Electric 250 GXT manual TAbLE of Contents

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.