Miller Electric Big 40G manual Table of Contents

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:

TIG = GTAW

Stick = SMAW

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.	Fuel Consumption	10
3-4.	Duty Cycle And Overheating	11
3-5.	AC Auxiliary Power	11
3-6.	Optional AC Power Plant Curves	12
3-7.	Volt-Ampere Curves	13
SECTION 4 – INSTALLATION		14
4-1.	Installing Welding Generator	14
4-2.	Connecting The Battery	14
4-3.	Installing Muffler	14
4-4.	Engine Prestart Checks	15
4-5.	Connecting To Weld Output Terminals	16
4-6.	Selecting Weld Cable Sizes	16
4-7.	Remote 14 Receptacle RC3 Information (Optional, See Section 4-8)	17
4-8.	Terminal Strip 3T Connections (Optional)	17
SECTION 5 – OPERATING WELDING GENERATOR		18
5-1.	Front Panel Controls (See Section 5-2)	18
5-2.	Description Of Front Panel Controls (See Section 5-1)	19
5-3.	Remote Control (Optional)	20
SECTION 6 – OPERATING AUXILIARY EQUIPMENT		21
6-1.	120 Volt Duplex And Optional GFCI Receptacles	21
6-2.	240 Volt Duplex Receptacle (Optional)	22
6-3.	Connecting Optional Auxiliary Power Plant	23
SECTION 7 – MAINTENANCE AND TROUBLESHOOTING		24
7-1.	Routine Maintenance	24
7-2.	Maintenance Label	25
7-3.	Servicing Air Cleaner	26
7-4.	Overload Protection	26
7-5.	Changing Engine Oil And Filter	27
7-6.	Changing Fuel Filter	28
7-7.	Inspecting And Cleaning Optional Spark Arrestor Muffler	28
7-8.	Adjusting Engine Weld/Power Speed	29
7-9.	Adjusting Engine Idle Speed	30
7-10. Adjusting Governor Sensitivity		30
7-11.	Adjusting Optional High Altitude Carburetor	31
7-12.	Troubleshooting	31
SECTION 8 – ELECTRICAL DIAGRAMS		35
SECTION 9 – AUXILIARY POWER GUIDELINES		38
SECTION 10 – PARTS LIST		46
OPTIONS AND ACCESSORIES
WARRANTY