Rockwell Automation 7000L PowerFlex Medium Voltage AC Drive (C Frame) - Classic Control - Manual (Page 480)

6-136 Component Definition and Maintenance
7000L-UM300I-EN-P – June 2013 7000 “C” Frame
 Clean all contaminated components using a vacuum cleaner
(DO NOT use a blower), and wipe clean components where
appropriate.
 Check for coolant leak at all connections, visually and by touch
wherever possible.
 Carry out the physical inspection and verification for the
proper operation of the contactor/isolator interlocks, and
door interlocks.
 Carry out the physical inspection and verification for the proper
operation of the key interlocks.
 Physical verification of the additional cooling fans mounted in
the AC Line Reactor cabinet, Harmonic Filter cabinet for
mounting and connections.
 Carry out the cleaning of the fans and ensure that the ventilation
passages are not blocked and the impellers are freely rotating
without any obstruction.
 Carry out the insulation meggering of the drive, motor, isolation
transformer/line reactor, and the associated cabling.
 Refer to User Manual, Chapter 6 – Component Definition and
Maintenance for meggering procedure.
 Check clamp head indicator washers for proper clamp pressure,
and adjust as necessary.
 Refer to User Manual, Chapter 6 – Component Definition
and Maintenance for details on proper clamp pressure.
Annual Maintenance
(cont.)