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This excerpt taken from the C 10-K filed Feb 22, 2008. HVAC CHILLER INSPECT Monthly 1. CHECK UNIT FOR PROPER OPERATION 2. CHECK OIL LEVEL AND ADD AS NECESSARY 3. CHECK OIL TEMPERATURE 4. CHECK DEHYDRATOR OR PURGE SYSTEM, REMOVE WATER IF OBSERVED IN SIGHT GLASS 5. RUN SYSTEM CONTROL TESTS.
Sch-4-2
6. CHECK REFRIGERANT CHARGE/LEVEL, ADD AS NECESSARY. 7. CHECK COMPRESSOR FOR EXCESSIVE NOISE/VIBRATION. 8. CLEAN AREA AROUND EQUIPMENT. 9. COMPLETE WORK ORDER AND DOCUMENT ALL CLEANING AND MAINTENANCE PERFORMED Quarterly 1. CHECK UNIT FOR PROPER OPERATION 2. REMOVE OIL SAMPLE AND SEND FOR ANALYSIS 3. PERFORM VIBRATION ANALYSIS 4. RUN SYSTEM CONTROL CHECK 5. EXERCISE AND LUBRICATE VALVES 6. CALIBRATE AND TEST ALL FLOW SWITCHES 7. VERIFY OPERATION OF EMERGENCY STOP Annual 1. REMOVE CONDENSER HEADS AND PUNCH TUBES 2. REMOVE EVAPORATOR HEADS AND PUNCH TUBES 3. PERFORM EDDY CURRENT ON CONDENSER 4. PERFORM EDDY CURRENT ON EVAPORATOR 5. WIRE WHEEL AND APPLY ANTI-CORROSIVE TO ALL SURFACES 6. REMOVE REFRIGERANT SAMPLE AND SEND OUT FOR ANALYSIS 7. PERFORM INSULATION RESISTANCE TESTING |
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