f. Panel Gasketing g. Refrigerant filter drier h. Vibration eliminators F. GENERAL ROOF-TOP HEATING AND COOLING UNITS (Note: All swamp coolers are maintained by City) The maintenance for roof-top heating and cooling units shall include filter changes as needed and T-stat calibration. Maintenance shall be as follows: Spring start-up of cooling system. Summer inspection. Fall start-up of heat. Winter inspection. 5. Air Cooled a. Review manufacturer's recommendation for start-up. b. Energize crankcase heater per manufacturer's recommendation for c. Remove all debris from within and around unit. d. Visually inspect for leaks. e. Check belts, pulleys, and mounts. Adjust and replace belts as required. f. Lubricate fan and motor bearings per manufacturer's recommendation. g. Inspect electrical connections, contactors, relays, and operating/safety controls. h. Check motor operating conditions. i. Check and clean fan blades as required. j. Check and clean coil. Straighten fins as required. k. Check vibration eliminators. Replace or adjust as required. l. Check compressor oil level, acid test oil, and meg hermetic motor. m. Change oil and refrigerant filter drier as required. n. Check and test all operating and safety controls. o. Check operating conditions. Adjust as required. p. Clean external surfaces as required. G. FANS AND CENTRAL FAN SYSTEMS 1. Fans, Annual Inspection a. Check and clean fan assembly. b. Lubricant fan bearings per manufacturer's recommendation. c. Lubricate motor bearings per manufacturer's recommendation. d. Check belts and sheaves. Adjust and replace belts as required. e. Tighten all nuts and bolts. f. Check motor mounts and vibration pads. Adjust as required. g. Check motor operating conditions. h. Inspect electrical connections and contactors. i. Lubricate and adjust associated dampers and linkage. j. Check fan operation. k. Clean external surfaces as required. 2. Fans, Semi-Annual a. Lubricate fan bearings per manufacturer's recommendation. b. Lubricate motor bearings per manufacturer's recommendation. c. Check belts and sheaves. Adjust and replace belts as required. d. Check for operation.
f. Panel Gasketing g. Refrigerant filter drier h. Vibration eliminators F. GENERAL ROOF-TOP HEATING AND COOLING UNITS (Note: All swamp coolers are maintained by City) The maintenance for roof-top heating and cooling units shall include filter changes as needed and T-stat calibration. Maintenance shall be as follows: Spring start-up of cooling system. Summer inspection. Fall start-up of heat. Winter inspection. 5. Air Cooled a. Review manufacturer's recommendation for start-up. b. Energize crankcase heater per manufacturer's recommendation for c. Remove all debris from within and around unit. d. Visually inspect for leaks. e. Check belts, pulleys, and mounts. Adjust and replace belts as required. f. Lubricate fan and motor bearings per manufacturer's recommendation. g. Inspect electrical connections, contactors, relays, and operating/safety controls. h. Check motor operating conditions. i. Check and clean fan blades as required. j. Check and clean coil. Straighten fins as required. k. Check vibration eliminators. Replace or adjust as required. l. Check compressor oil level, acid test oil, and meg hermetic motor. m. Change oil and refrigerant filter drier as required. n. Check and test all operating and safety controls. o. Check operating conditions. Adjust as required. p. Clean external surfaces as required. G. FANS AND CENTRAL FAN SYSTEMS 1. Fans, Annual Inspection a. Check and clean fan assembly. b. Lubricant fan bearings per manufacturer's recommendation. c. Lubricate motor bearings per manufacturer's recommendation. d. Check belts and sheaves. Adjust and replace belts as required. e. Tighten all nuts and bolts. f. Check motor mounts and vibration pads. Adjust as required. g. Check motor operating conditions. h. Inspect electrical connections and contactors. i. Lubricate and adjust associated dampers and linkage. j. Check fan operation. k. Clean external surfaces as required. 2. Fans, Semi-Annual a. Lubricate fan bearings per manufacturer's recommendation. b. Lubricate motor bearings per manufacturer's recommendation. c. Check belts and sheaves. Adjust and replace belts as required. d. Check for operation.
358685330.docx