Miller Electric KC237900 manual Table of Contents

TABLE OF CONTENTS

SECTION 1 – SAFETY PRECAUTIONS AND SIGNAL WORDS
1-1.	General Information And Safety	1
1-2.	Safety Alert Symbol And Signal Words	1
SECTION 2 – SPECIFICATIONS
2-1.	Description	2
SECTION 3 – INSTALLATION OR RELOCATION
3-1.	Site Selection	2
3-2.	Transporting Methods	2
3-3.	Component Installation On Factory Installed Units	2
3-4.	Field Installation Of TIG-Unit	3
3-5.	Field Installation Of Pulser	5
3-6.	Field Installation Of Electroslope	6
3-7.	Procedure For Remote TIG-Unit Installation	7
3-8.	Field Installation Of Optional Preflow Timer	8
3-9.	Field Installation Of Optional Spot Timer	9
3-10.	Remote 14 Receptacle Information And Connections	10
3-11.	Gas Connections	10
3-12.	Coolant Connections (Optional)	11
3-13.	115 Volts AC Duplex Receptacle And Circuit Breaker	11
SECTION 4 – OPERATOR CONTROLS
4-1.	Amperage Adjustment Control And Remote Amperage Switch	12
4-2.	Polarity Switch	12
4-3.	Gas/Coolant Switch	12
4-4.	Gas/Coolant Postflow Control	12
4-5.	Remote Hand Controls	13
4-6.	High Frequency Switch	13
4-7.	High Frequency Control	14
4-8.	Meters (Optional)	14
4-9.	Pulser Switch (Pulser Models Only)	14
4-10.	% “On Time” Control (Pulser Models Only)	14
4-11.	Pulses/Second Control (Pulser Models Only)	14
4-12.	Background Control (Pulser Models Only)	14
4-13.	Electroslope (Electroslope Models Only)	16
4-14.	Electroslope Switch (Electroslope Models Only)	16
4-15.	Percentage Initial Amperage Control (Electroslope Models Only)	16
4-16.	Percentage Upslope Rate Control (Electroslope Models Only)	16
4-17.	Percentage Downslope Rate Control (Electroslope Models Only)	17
4-18.	Percentage Final Amperage Control (Electroslope Models Only)	17
4-19.	Preflow Time Control & Switch (Optional)	17
4-20.	Spot Time Control And Switch (Optional)	17
SECTION 5 – SEQUENCE OF OPERATION
5-1.	Gas Tungsten Arc Welding	18
5-2.	Shielded Metal Arc Welding With TIG-Unit	19
5-3.	Shutting Down	19
SECTION 6 – MAINTENANCE & TROUBLESHOOTING
6-1.	Routine Maintenance	19
6-2.	Tungsten Electrode	20
6-3.	Spark Gap Adjustment	21
6-4.	Overload Protection	22
6-5.	Circuit Board Handling Precautions	22
6-6.	Troubleshooting	22

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