WARNING

This product, when used for welding or cutting, produces fumes or gases which contain chemicals known to the State of California to cause birth defects and, in some cases, cancer. (California Health & Safety Code Section 25249.5 et seq.)

WARNING

Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.

WARNING

The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

The following terms are used interchangeably throughout this manual:

Stick = SMAW

TIG = GTAW

MIG = GMAW

TABLE OF CONTENTS

SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING

1

1-1.

Symbol Usage

1

1-2.

Arc Welding Hazards

1

1-3.

Engine Hazards

2

1-4. Additional Symbols For Installation, Operation, And Maintenance

3

1-5.

Principal Safety Standards

4

1-6.

EMF Information

4

SECTION 1 – CONSIGNES DE SÉCURITÉ – LIRE AVANT UTILISATION

5

1-1.

Signification des symboles

5

1-2.

Dangers relatifs au soudage à l’arc

5

1-3.

Dangers existant en relation avec le moteur

6

1-4. Dangers supplémentaires en relation avec l’installation, le fonctionnement

 

 

et la maintenance

7

1-5.

Principales normes de sécurité

8

1-6.

Information sur les champs électromagnétiques

8

SECTION 2 – DEFINITIONS

9

2-1.

Symbols And Definitions

9

SECTION 3 – SPECIFICATIONS

9

3-1.

Weld, Power, And Engine Specifications

9

3-2. Dimensions, Weights, And Operating Angles

10

3-3. Volt-Ampere Curves For CC Models

10

3-4. Volt-Ampere Curves for CC/CV Models

11

3-5.

Fuel Consumption

12

3-6. Duty Cycle And Overheating

12

3-7.

AC Auxiliary Power Curve

13

3-8. Optional AC Power Plant Curves

13

SECTION 4 – INSTALLATION

14

4-1.

Installing Welding Generator (See Sections 4-2 And 4-3)

14

4-2.

Using Lifting Eye

14

4-3.

Mounting Welding Generator

15

4-4.

Installing Exhaust Pipe

15

4-5. Activating The Dry Charge Battery (If Applicable)

16

4-6.

Connecting The Battery

17

4-7.

Engine Prestart Checks

18

4-8.

Connecting To Weld Output Terminals

19

4-9.

Selecting Weld Cable Sizes

19

4-10.

Connecting To Remote Amperage Adjust Receptacle RC13 On CC Models

20

4-11.

Connecting To Remote 14 Receptacle RC14 On CC/CV Models

21

SECTION 5 – OPERATING WELDING GENERATOR – CC MODELS

22

5-1. Front Panel Controls For CC Models (See Section 5-2)

22

5-2. Description Of Front Panel Controls For CC Models (See Section 5-1)

23

5-3.

Remote Amperage Control On CC Models (Optional)

24

SECTION 6 – OPERATING WELDING GENERATOR – CC/CV MODELS

26

6-1. Front Panel Controls For CC/CV Models (See Section 6-2)

26

6-2. Description Of Front Panel Controls For CC/CV Models (See Section 6-1)

27

6-3. Process/Contactor Switch On CC/CV Models

28

6-4.

Remote Voltage/Amperage Control On CC/CV Models (Optional)

29

SECTION 7 – OPERATING AUXILIARY EQUIPMENT

30

7-1.

120 Volt And 240 Volt Duplex Receptacles

30

7-2.

Connecting To Optional Auxiliary Power Plant (CC/CV Models Only)

31

7-3.

Optional Auxiliary Power Receptacles

32

(Continued)

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Miller Electric Big 40 WG manual Table of Contents
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Big 40 WG specifications

The Miller Electric Big 40 WG is a versatile and powerful welding generator designed to meet the demands of professionals in the field. Known for its reliability and robust performance, the Big 40 WG is the ideal choice for those who require both welding capabilities and a portable power source.

One of the standout features of the Big 40 WG is its ability to produce a substantial output of up to 10,000 watts of continuous power. This ensures that users have enough capacity to run various tools and equipment, making it perfect for job sites where electricity may not readily be available. The generator is powered by a Kohler Command PRO engine, renowned for its durability and efficiency, ensuring that users can depend on its performance even in the toughest conditions.

The machine offers a dual capability for electric welding and stick welding, which enables users to tackle a variety of applications, from light maintenance tasks to heavy-duty industrial jobs. The Big 40 WG features an easy-to-use control panel, equipped with clear indicators and outputs that simplify operation. Whether you need to switch between welding modes or adjust settings, the intuitive design allows for quick responses and seamless operation.

In terms of technology and innovation, the Big 40 WG includes advanced features such as an automatic idle speed adjustment, which increases fuel efficiency and reduces wear on the engine. This technology not only helps save on fuel costs but also minimizes noise levels, providing a more pleasant working environment.

Another key characteristic of the Big 40 WG is its portability. Engineered with a lightweight frame and built-in lifting hooks, it is easy to transport and maneuver, making it an excellent choice for on-site work. The rugged construction ensures that the generator can withstand the rigors of outdoor use, enhancing its lifespan and reliability.

For those in search of a welding generator that delivers on performance, functionality, and portability, the Miller Electric Big 40 WG stands out as a preferred option. Its combination of powerful output, advanced technologies, and user-friendly features makes it a valuable tool for professionals across various industries, ensuring they can complete their jobs effectively and efficiently, no matter where they are.
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