Rockwell Automation 20P PowerFlex DC Drive - Frame D, Series A Fan Assembly User Manual
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Rockwell Automation Publication 20P-IN057B-EN-P - October 2013
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PowerFlex DC Drive - Frame D, Series A Fan Assembly
Step 2: Remove the Protective 
Cover and Top Air Flow Plate
1.
Loosen, but do not remove, the four hexalobular screws that secure the top 
protective cover to the drive, then slide the cover up and off the drive 
chassis. Tightening torque is noted in the illustration for reassembly.
2.
Loosen, but do not remove, the six hexalobular screws that secure the top 
air flow plate to the drive, then slide the plate forward to lift it off the 
screws. Tightening torque is noted in the illustration for reassembly.
The air flow plate cannot be removed from the drive unless the AC input 
wiring and bus bar extensions (if installed) are removed. However, the 
plate must be removed to remove the fan assembly bracket below it. 
Top protective cover
Tool size: T15
1.5 N•m (13 lb•in)
=
Tool size: T15
1.5 N•m (13 lb•in)
Pull plate forward to lift off screws
Top View of Drive
Fan Loss Detection board
Loosen screws
Loosen screws