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Rockwell Automation Publication 1560F-UM001A-EN-P - June 2019
Chapter 9
Troubleshooting
Figure 58 - Removal of SCR 2 and SCR 4 (3300…4160V, 180/360A)
To Remove SCR 4:
• Remove shorting bar hardware
• Pry Heatsinks 4 and 5 apart
• Extract SCR
To Insert New SCR:
• Apply thin film of electrical joint compound to surfaces of SCR
• Install SCR so that it is seated in locating pin of heatsink (note
orientation of SCR).
• Pry heatsinks to close gap, ensuring that SCR is seated properly in
both its locating pins.
• Rotate SCR so that all leads have same direction.
Proceed to replace SCRs matched pair (SCR 2).
Note: You must replace both SCRs of a matched set.
SCR 4
SCR 2
Shoring Bar Hardware
Heatsink 2
Heatsink 5
Locating Pin
Shoring Bar
Hardware
Summary of Contents for SMC-50
Page 10: ...10 Rockwell Automation Publication 1560F UM001A EN P June 2019 Table of Contents Notes ...
Page 12: ...12 Rockwell Automation Publication 1560F UM001A EN P June 2019 Preface Notes ...
Page 68: ...68 Rockwell Automation Publication 1560F UM001A EN P June 2019 Chapter 2 Installation Notes ...
Page 120: ...120 Rockwell Automation Publication 1560F UM001A EN P June 2019 Chapter 4 Programming Notes ...
Page 130: ...130 Rockwell Automation Publication 1560F UM001A EN P June 2019 Chapter 5 Metering Notes ...
Page 156: ...156 Rockwell Automation Publication 1560F UM001A EN P June 2019 Chapter 8 Diagnostics Notes ...
Page 198: ...198 Rockwell Automation Publication 1560F UM001A EN P June 2019 Chapter 10 Maintenance Notes ...
Page 284: ...284 Rockwell Automation Publication 1560F UM001A EN P June 2019 Appendix H Spare Parts Notes ...
Page 286: ...286 Rockwell Automation Publication 1560F UM001A EN P June 2019 Appendix I Accessories Notes ...
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