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At a minimum, we shall perform the following preventative maintenance tasks and <br />perform a resistive load bank test. These tasks are designed to maintain the equipment in an <br />optimum operating condition so that the equipment will operate reliably and efficiently. <br />A. AIR CONDITIONING UNITS MAINTENANCE <br />1. Check all electrical wiring and connection as required; tighten as required. <br />2. Check and replace filters as required. <br />3. Check starter contactor surfaces for wear. <br />4. Check compressor amps and record. <br />5. Check sight glass for moisture level. <br />6. Check operation of crankcase heater. <br />7. Check and lubricate condenser fan motor and fan bearings. <br />8. Check condition of condenser coil and clean. <br />9. Check belts for wear and replace per manufacturer's recommendations. <br />10. Check and adjust compressor capacity controls. <br />11. Lubricate indoor fan motor and bearings. <br />12. Check humidifier for proper operation and observe for humidity levels. <br />13. Inspect for dust, mold, and debris and clean. <br />14. Check refrigerant charge and for leaks. <br />15. Check and inspect cabinets for leaks and check cabinet door for secure closure. <br />16. Replace batteries bi-annually. <br />17. Test thermostats and controls for proper operation; temperatures and timer <br />functions. <br />B. AIR DUCT MAINTENANCE <br />1. Inspect unit assembly. <br />2. Visually inspect air duct system. <br />C. EXHAUST FAN MAINTENANCE if Applicable <br />i . Check all electrical wiring and connections. <br />2. Check all motor starter contactor surfaces for wear. <br />3. Clean starter and electrical control enclosure. <br />4. Lubricate bearings. <br />5. Check belts for wear and replace per manufacturer's recommendations. <br />6. Check belt tension and sheave alignment and adjust as required. <br />7. Inspect exhaust fan unit assembly. <br />8. Check all mounting hardware and tighten as required. <br />5 <br />