KeyGree MIG-250 - Table of Contents

TABLE OF CONTENTS
Chapter I Product Overview ..........................................................................................................................................6
1.1 Model explanation .............................................................................................................................................6
1.2 General technical parameters ......................................................................................................................... 6
1.3 Dimension and weight ......................................................................................................................................7
1.4 System composition .........................................................................................................................................8
1.5 Description of functions and features ........................................................................................................... 9
1.6 System characteristics ...................................................................................................................................10
Chapter II Installation and Wiring ...............................................................................................................................11
2.1 Installation requirements ............................................................................................................................... 11
2.2 Electrical connection ......................................................................................................................................11
2.3 Welding preparations ..................................................................................................................................... 16
2.4 Do's and don'ts ............................................................................................................................................... 17
Chapter IV Operating Instructions ............................................................................................................................. 18
4.1 Operating methods .........................................................................................................................................18
4.2 Panel functions ............................................................................................................................................... 18
4.3 Panel functions ............................................................................................................................................... 20
4.4 Panel functions ............................................................................................................................................... 21
4.5 Panel functions ............................................................................................................................................... 22
4.6 Use method of basic welding functions ...................................................................................................... 23
4.7 Wire feeder panel functions .......................................................................................................................... 18
4.8 Welding current setting ..................................................................................................................................25
4.9 Welding speed selection ................................................................................................................................26
4.10 Selection of the dry extension length of welding stick ............................................................................26
4.11 Selection of CO
2
gas flow rate .....................................................................................................................26
4.12 Method to use extended output cables ......................................................................................................26
4.13 Welding parameters cheat sheet ................................................................................................................ 26
Chapter V Maintenance ............................................................................................................................................... 29
5.1 Routine maintenance ..................................................................................................................................... 29
5.2 Regular inspection ..........................................................................................................................................31
Chapter VI Troubleshooting ........................................................................................................................................33
6.1 Welder failure and problems in welding procedure ................................................................................... 33
6.2 After-sales service .......................................................................................................................................... 34