Rockwell Automation Publication 7000-UM202H-EN-P - November 2023 177
Appendix A Preventative Maintenance Schedule
Time Estimations
Tool / Parts / Information Requirements
The following is a list of the tools recommended for proper maintenance of the
PowerFlex 7000 drive. Not all of the tools may be required for a specific drive
preventive procedure, but to complete all of the tasks listed above the following
tools would be required.
Tools
• 100 MHz oscilloscope with minimum 2 Channels and memory
• 5 kV DC insulation resistance tester
• Digital multimeter
• Torque wrench
• Laptop computer with relevant software and cables
• Assorted hand tools (screwdrivers, open-ended metric wrenches, metric
sockets, and so on)
• 8 mm Allen keys
• Speed wrench
• Feeler gauge
• Vacuum bottle checker or AC Hi-pot
• Minimum of 15 kV hotstick / potential indicator
• Minimum of 10 kV safety gloves
• Vacuum cleaner with anti-static hose
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
(1)
(1) Time may not be required depending on the nature of the maintenance and the condition of the drive system. These times
are only estimations.
2.5 hours
(1)
– Insulation Resistance Testing 1.5 hours
• Control Power Checks
– Contactor Adjustments
(1)
2.0 hours
(1)
– Voltage Level Checks 1.0 hour
– Firing Check 0.5 hours
– System Test
(1)
2.0 hours
(1)
• Medium Voltage Checks
– Final Inspection 0.5 hours
– Phasing Check
(1)
1.5 hours
(1)
–Autotuning
(1)
2.0 hours
(1)
– Operation to Maximum Load Site Dependent
• Additional Tasks
(1)
– Investigation Varies with nature of Problem
– Informal Training/Refresher 2.0 hours
– Spare Parts Analysis 1.0 hour
– Vacuum Bottle Integrity Check 3.0 hours
• Final Report 3.0 hours
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