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F:' <br /> Powering Business Worldwide <br /> 4. Environmental Parameters <br /> a. UPS area ambient temperature and condition of ventilating equipment <br /> b. General Cleanliness of UPS Power Module <br /> c. General Cleanliness of UPS area <br /> d. Replace all air filters <br /> e. Clean control panel/CRT screen <br /> f. Flywheel only: Drain oil and change oil and filters NOTE: One(1)oil and filter change <br /> per year. <br /> 5. Battery Cabinet Checks <br /> a. General appearance of Battery System (all types) <br /> b. General cleanliness of Battery System area(all types) <br /> c. Inspect cells for physical abnormalities <br /> d. Inspect all DC connections for abnormalities <br /> e. Battery System area ambient temperature and condition of ventilating equipment <br /> f. For internal batteries only measure and record: <br /> i. Overall battery float voltage <br /> ii. Charger output current and voltage <br /> iii. Negative terminal temperature of one cell/battery per battery cabinet shelf or rack <br /> tier <br /> iv. Momentary load testing of cells< 100 watts (e.g. 9E, 9x55, not 9330) <br /> 6. Monitoring System Parameters <br /> a. Alarm archive review and printing <br /> b. Alarm lamp test-local and remote (if applicable) <br /> c. Replace all open monitor bulbs <br /> d. If work is completed under a PowerTrust Ultra contract, inspect battery monitoring system <br /> e. Review Battery Test in history (if applicable) <br /> 7. General <br /> a. Customer Consultation <br /> b. Verbal Recommendations <br /> c. General Observations <br /> Following the Preventive Maintenance inspection, a written report will be provided detailing the results of <br /> the inspection, and making specific recommendations toward future remedial action, upgrades, or <br /> sparing. <br /> Eaton and PowerTrust are trade names,trademarks,and/or service marks of Eaton Corporation or its subsidiaries and affiliates. <br /> Scope of Work Attachment R-2 <br /> Revision 4/12 <br /> Page 2 of 2 <br />