Rockwell Automation 20Y PowerFlex 700H, 700S, and 700AFE Drive Fan Systems, Frames 9...14 - Manual (Page 49)

Rockwell Automation Publication PFLEX-IN029B-EN-P - August 2014 49
PowerFlex 700H and 700S Drives - Frame 9 Procedures Chapter 1
Main AC Fan Inverter Output Transformer (20-PP09055) Removal and
Installation
Follow these steps to remove and replace the main AC fan inverter output
transformer.
1. Review the General Precautions on page 17 .
2. Remove power from the drive. See Remove Power from the Drive on page
23 .
3. Remove the lower protective cover from the drive. See Remove the Lower
Protective Cover on page
24 .
4. Remove the main AC fan inverter cooling fan, fuses, and capacitor bracket.
See Removing the Main Fan Inverter Capacitor Bracket on page
25 .
5. Remove the main AC fan inverter circuit board assembly. See Main AC
Fan Inverter Circuit Board Assembly (20-VB00299) Removal and
Installation on page
33 .
6. Remove the main AC fan from the drive. See Main AC Fan (20-PP01080)
and Main DC Fan (SK-Y1-DCFAN1) Assembly Removal and Installation
on page
43 .
7. Remove the hexalobular screw, located at the back, left-hand corner of the
fan inverter compartment, that secures the output transformer assembly to
the drive frame.
7
T8
4.0 N
• m (35 lb • in)