176 Rockwell Automation Publication 7000-UM202H-EN-P - November 2023
Appendix A Preventative Maintenance Schedule
Additional Tasks During Preventive Maintenance
1. Investigation of concerns relating to drive performance
• Relate any problems found during above procedures to customer
issues.
2. Informal instruction on drive operation and maintenance for plant
maintenance personnel
• Reminder of safety practices and interlocks on MV equipment, and on
specific operating concerns
• Reminder of the need to properly identify operating conditions
3. Recommendation for critical spare parts which should be stocked in-
plant to reduce production downtime
• Gather information on all spare parts on site, and compare that with
factory-recommended critical spares to evaluate whether levels are
sufficient.
• Contact MV spare parts group for more information.
4. Vacuum bottle integrity testing using a vacuum checker or AC Hi-pot
• Refer to publication 1502-UM050
for a detailed description of all
contactor maintenance.
Final Reporting
1. A complete, detailed report on all steps in the Preventive Maintenance
procedures should be recorded to identify changes.
• A completed copy of this checklist should be included.
• A detailed description of all adjustments and measurements that were
taken during the process should be included in an addendum (interlock
adjustments, loose connections, voltage readings, insulation resistance
results, parameters, and so on).
2. This information should be communicated to MV product support so
future support activities have the latest site information available.
• This can be faxed to (519) 740-4756 or
e-mailed to MVSupport_Technical@ra.rockwell.com.
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