Rockwell Automation 2364,2364E NRU Diode Bridge Assembly Replacement (180 - 350A DC) - Manual

Publication 2364E-5.10 - April 1998
R EPLACEMENT K IT I NSTRUCTIONS
NRU™ Diode Bridge Assembly
Replacement (180 - 350A DC)
Contents In 180A DC and 350A DC NRUs, all 6 diodes (D1 - D6) and the both
the positive and negative heatsinks (HS1 - HS2) can be replaced
together as a single unit.
This publication describes how to replace the diode bridge assembly
in 180A DC and 350A DC non-regenerative, front-end units (NRU).
What This Kit Contains Using the table below, verify that you have received the appropriate
items in your kit:
Other Items Needed Before you begin, be sure you also have the following:
•
Whatever tool(s) you will need to:
• Remove and connect line fuses and AC busbars
• Disconnect and connect wires
• Remove, loosen, and/or tighten bolts
• Torque bolts
• Documentation:
• Your drive system schematics
• Publication 2364E-5.01, Non-Regenerative DC Bus Sup-
ply (NRU) User Manual
For this part: You should receive this quantity:
diode bridge assembly 1