LG Electronics 453cc, 553cc instruction manual Table of Contents

TABLE OF CONTENTS

SECTION
PARAGRAPH	TITLE	PAGE
SAFETY
ENGLISH	SAFETY PRECAUTIONS	4, 5
FRENCH	SAFETY PRECAUTIONS	6, 7
SECTION 1	DESCRIPTION	8
1.1	General	8
1.2	Receiving-Handling	8
1.3	Description	8
1.3.1	Power Source	8
1.3.2	Volt-Ampere Characteristics	9
1.4	Optional Accessories	9
1.5	Safety	9
SECTION 2	INSTALLATION	10
2.1	Location	10
2.2	Receiving, Unpacking and Placement	10
2.3	Primary (Input) Electrical Connection	10
2.4	Secondary (Output) Welding Connections	12
2.5	Control Connections	12
SECTION 3	OPERATION	14
3.1	Controls	14
3.1.1	Power Switch (ON-OFF)	14
3.1.2	Arc Force Control	14
3.1.3	Contactor Or/Remote Switch	14
3.1.4	Current Panel/Remote Switch	14
3.1.5	Current Control	14
3.1.6	Over Temperature Indicator	15
3.1.7	Voltmeter and Ammeter	15
3.1.8	Fault indicator	15
3.2	Operation Set-Up	15
3.2.1	Stick Welding, Arc Gouging, Tig Welding	15
3.2.2	Mig Spray Arc and Flux Cored Welding	15
SECTION 4	MAINTENANCE	16
4.1	General	16
4.2	Cleaning	16
4.3	Inspection .and Service	16
4.3.1	Fan Motor	16
4.3.2	Transformer	16
4.3.3	Control Circuit	16
4.3.4	Over Temperature Protection	16
4.3.5	Digital Voltmeter/Ammeter Calibration	16
SECTION 5	TROUBLESHOOTING	17
5.1	General	17
5.2	Testing and Replacing Bridge Assembly Components	17
5.3	PCB Voltage Test	17
5.6	Troubleshooting Information Table	18
SECTION 6	PARTS	19
6.1	General	19
6.2	Ordering	19

3