Table Of Contents - Lincoln Electric CITOTIG 315DC Service Manual

Table of Contents

INDEX OF CONTENTS

INDEX OF CONTENTS ................................................................................................................................................... 2

TECHNICAL SPECIFICATIONS ..................................................................................................................................... 3

MAINTENANCE ............................................................................................................................................................ 19

MAJOR COMPONENTS LOCATION ........................................................................................................................... 20

THEORY OF OPERATION ........................................................................................................................................... 22

TROUBLESHOOTING AND REPAIR SECTION .......................................................................................................... 28

CASE COVER REMOVAL AND DC LINK CAPACITOR DISCHARGE PROCEDURE ............................................... 32

DISCHARGE PROCEDURE ......................................................................................................................................... 35

INPUT BOARD RESISTANCE TEST ........................................................................................................................... 36

INVERTER BOARD RESISTANCE TEST .................................................................................................................... 38

OUTPUT BOARD RESISTANCE TEST ....................................................................................................................... 40

INPUT BOARD VOLTAGE TEST ................................................................................................................................. 43

INVERTER BOARD VOLTAGE TEST .......................................................................................................................... 47

OUTPUT BOARD VOLTAGE TEST ............................................................................................................................. 49

HF BOARD TEST ......................................................................................................................................................... 52

CONTROL BOARD TEST ............................................................................................................................................ 54

DISASSEMBLY OPERATIONS .................................................................................................................................... 57

RETEST AFTER REPAIR ............................................................................................................................................. 65

ELECTRICAL SCHEMATICS ....................................................................................................................................... 66

NOTE ............................................................................................................................................................................ 68