Manual

Component Definition and Maintenance 6-131
7000 “B” Frame 7000-UM150I-EN-P – June 2013
Time Estimations
 Operational Maintenance 0.5 hours per filter
 Annual Maintenance
 Initial Information Gathering 0.5 hours
 Physical Checks
– Torque Checks 2.0 hours
– Inspection 2.0 hours
– Cleaning ** 2.5 hours **
– Meggering 1.5 hours
 Control Power Checks
– Contactor Adjustments ** 2.0 hours **
– Voltage Level Checks 1.0 hours
– Firing Check 0.5 hours
– System Test ** 2.0 hours **
 Medium Voltage Checks
– Final Inspection 0.5 hours
– Phasing Check ** 1.5 hours **
– Autotuning** 2.0 hours **
– Operation to Maximum Load Site Dependent
 Additional Tasks
– Investigation ** Depends on Nature of the Problem **
– Informal Training/Refresher ** 2.0 hours **
– Spare Parts Analysis ** 1.0 hours **
– Vacuum Bottle Integrity Check ** 3.0 hours **
 Final Report 3.0 hours
Note: ** indicates that the time may not be required depending on
the nature of the maintenance and the condition of the drive system.
These times are only estimations.