Step 8: install the emi shield and control board – Rockwell Automation 20P PowerFlex DC Drive - Frame C AC Line Snubber Board and High Wattage Resistors User Manual
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PowerFlex® DC Drive - Frame C AC Line Snubber Board and High Wattage Resistors
Step 6: Install the New AC 
Line Snubber Board and 
Resistors
Install the AC Line Snubber boards and Resistors in reverse order of 
removal and detailed in Step 5: 
Remove the Existing AC Line Snubber
Circuit Board and Resistors on page 12
•
Apply thermal grease to the bottom of the resistors before securing them 
to the heatsink. 
Step 7: Install the Pulse 
Transformer and Field 
Snubber Circuit Boards
Install the Pulse Transformer and Field Snubber boards in reverse order of 
removal and detailed in Step 4: 
Remove the Pulse Transformer and Field
Snubber Circuit Boards on page 8
.
Step 8: Install the EMI 
Shield and Control Board
Install the EMI Shield and Control board in reverse order of removal as 
detailed in Step 3: 
Move the EMI Shield and Control Board on page 5
.
!
ATTENTION: Thermal grease must be applied to the bottom 
of the resistors before securing them to the heatsink or damage to 
the drive may occur.
!
ATTENTION: Each gate lead cable must be connected to the 
exact connector from which it was removed on the Pulse 
Transformer circuit board or damage to the drive may occur.