Eaton 93PM Emergency Lighting UPS (50 kW, 480V Three and Four-Wire UL 924) Installation and Operation Manual P-164000569—Rev 03 95
Figure 65. Air Filter Location
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Periodic inspections of the UPS should be made to determine if components, wiring, and connections exhibit
evidence of overheating. Particular attention should be given to the compression lug connections. Maintenance
procedures should specify that the compression lug connections be retorqued to values listed in this manual.
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Annual preventive maintenance should be performed only by authorized service personnel familiar with
maintenance and servicing of the UPS system. Contact an Eaton service representative for more information
about service offerings.
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Contact an Eaton service representative for battery maintenance. Battery replacement and maintenance should
be performed only by authorized service personnel.
UPS Maintenance
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