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MASTER TABLE OF CONTENTS FOR ALL SECTIONS
Page
Installation .......................................................................................................Section A
Technical Specifications ........................................................................................A-1
Identify and Locate Components...........................................................................A-2
Select Suitable Location ........................................................................................A-3
Output Connections...............................................................................................A-3
Input Connections..................................................................................................A-5
Code Requirements ..............................................................................................A-6
Operation .........................................................................................................Section B
Safety Precautions ................................................................................................B-1
General Description...............................................................................................B-2
Design Features and Advantages...................................................................B-2
Welding Capability ..........................................................................................B-2
Limitations.......................................................................................................B-2
Controls and Settings......................................................................................B-2
Welding Operations ...............................................................................................B-3
Overload Protection...............................................................................................B-6
Accessories.....................................................................................................Section C
Accessories ...........................................................................................................C-1
Replacement Parts................................................................................................C-1
Maintenance ....................................................................................................Section D
Safety Precautions ................................................................................................D-1
Items Requiring No Maintenance ..........................................................................D-1
Routine and Periodic Maintenance........................................................................D-1
Component Replacement Procedures ..................................................................D-2
Location of Components........................................................................................D-4
Theory of Operation........................................................................................Section E
Input Line Voltage, Fan Motor and Main Transformer...........................................E-1
Output Control, Rectification and Voltage Feedback.............................................E-2
Trigger, Gas Solenoid and Wire Drive...................................................................E-3
SCR Operation ......................................................................................................E-4
Thermal Protection ................................................................................................E-5
Troubleshooting and Repair...........................................................................Section F
How To Use Troubleshooting Guide......................................................................F-1
PC Board Troubleshooting Procedures .................................................................F-2
Troubleshooting Guide...........................................................................................F-3
Oscilloscope Waveforms .......................................................................................F-9
Replacement Procedures ....................................................................................F-12
Retest After Repair ..............................................................................................F-14
Electrical Diagrams.........................................................................................Section G
SP-100 Parts Manual .............................................................................................P-180
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