Rockwell Automation 6012DB PowerFlex Medium Voltage Variable Frequency Drive - Manual (Page 83)

Rockwell Automation Publication 6000-UM001B-EN-P - October 2014 83
Preventative Maintenance and Component Replacement Chapter 5
Replace Top Mounted Main Cooling Fans
The top fan housing consists of a motor and impeller assembly. To replace the
fan, it is necessary to remove the Fan Housing Lid.
1. Remove and retain four tapping screws around the Fan Housing Lid, and
remove the Lid.
2. Remove and retain eight M6 x 12 bolts from the Fan Housing Assembly
which connect to the Fan Support Bracket.
ATTENTION: Fan replacement requires working at a significant height from the
floor. Complete this procedure on a safe, stable platform.
ATTENTION: Always perform Power Lockout procedure before servicing
equipment. Verify with a hot stick or appropriate voltage measuring device that
all circuits are voltage free. Failure to do so may result in severe burns, injury, or
death.
M6 x 12 Bolt (4)
Lock washer (4)
Washer (4)
Tapping Screw (4)
M6 x 12 Bolt (8)
Washer (16)
Washer (16)
Lock washer (8)
Fan Housing Lid
Fan Support Bracket
Fan Housing Assembly
Fan Assembly
Wiring Cover
Aviation Plug