Fan installation, Impeller maintenance, Impeller removal from motor shaft – Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) - ForGe Control (PanelView 550) User Manual
Page 96: Safety notes
96
Rockwell Automation Publication 7000-UM151E-EN-P - January 2013
Chapter 3 Component Definition and Maintenance
Figure 72 - Fan removal (heatpipe model)
Fan Installation
Take care when handling the fan as poor handling can adversely affect its balance.
Install the fan in the reverse order of its removal. After installation, rotate the
impeller by hand to verify it is clear of the inlet ring.
Impeller Maintenance
The fan impeller connects to the motor shaft with a split tapered bushing. This
bushing is positioned on the motor shaft and through the center of the impeller.
Two cap screws, when tightened to 10.2 N-m (7.5 ft-lbs.), lock the bushing onto
the motor shaft and the impeller to the bushing.
Impeller Removal from Motor Shaft
Safety Notes
The impeller is not designed to support the weight of the motor.
M6 TAPTITE
(QTY. 4)
BACK OF FAN HOUSING
SLIDES UNDER RETAINING
BRACKET.
FAN ASSEMBLY
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