Manual

56 Rockwell Automation Publication 20B-IN024C-EN-P - June 2012
Chapter 3 Component Replacement Procedures
Converter Power Module -
(SCR) AC Input Only
See Chapter 1 - Component Diagrams and Torque Specifications to locate the
component
detailed in these instructions.
Remove Components
1. Read and follow the Safety Precautions on page 12 and Important Initial
Steps on page 13.
2. Remove the stacking panel as detailed on page 26
.
3. Remove all three converter snubber boards and set them aside.
a. Label and disconnect wires from the converter snubber board.
b. Remove the two screws that secure the board.
c. Remove the board and set aside.
4. Note the orientation of the converter busbars and remove the eight bolts
that secure the busbars to the converter SCR modules and to the DC+ and
DC- busbars. Set the converter busbars aside.
IMPORTANT
If any converter SCR module fails, all three SCR modules should be
replaced (kit includes three SCR modules).
RST
Converter
Snubber Boards
Converter SCR
Modules
DC-
D
Snubber Board Standoff
(Does not need to be removed.)
Converter
Busbar, Lower
Converter Snubber Boards
Serial Number Label
RS T
Converter SCR Modules
Converter Busbar, Upper