Rockwell Automation 7000A PowerFlex Medium Voltage AC Drive - Air-Cooled (A Frame) - Manual (Page 291)

Component Definition and Maintenance 5-49
7000 “A” Frame 7000A-RM001A-EN-P – January 2011
Fan Installation
Care must be taken in handling of the fan as its balance could be affected
by poor handling.
Fan installation is performed in the reverse order of its removal. Upon
completion of installation, rotate the impeller by hand to ensure that there
is no contact with the inlet ring.
Top of Integral Isolation Transformer Section
Cross Channel
Inlet Ring
Terminal Blocks Mounting Holes
Fan
Figure 5.38 – Isolation Transformer Fan Removal
1.
Remove the top plate of the ventilation housing and label fan supply
leads before disconnecting.
2.
Remove the bolts retaining the cross channel and withdraw the fan
and channel from housing.
3.
Disassemble and replace the fan.
4.
Reassemble in the reverse order of removal.