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Annual Preventive Maintenance & Inspection Program <br /> for Low Pressure Centrifugals <br /> <br />Operating Season Inspections <br /> <br />The following.inspection items ensure your unit is operating reliably and <br />the cooling season. <br /> <br />1,, . Inspecting chiller and adjusting safety controls <br /> <br />efficiently <br /> <br />2. Checking purge operation <br /> <br />3. Checking operation of controls <br /> <br />4. Checking oil and refrigerant levels <br /> <br />5. Checking operation of lube system <br /> <br />6. Checking the oil return syste.m <br /> <br />7. Checking operation of motor and starter <br /> <br />8. Recording operating conditions <br /> <br />9. Checking log and reviewing chiller and system operation with operator <br /> <br /> 10. Conducting routine maintenance as recommended and required <br /> <br /> 11. Logging and reporting repairs and parts that are required <br /> <br />through <br /> <br />The Annual Equipment Shutdown Inspection and PM <br /> <br />The following tasks are performed once each year during a shutdown period in order to <br />properly evaluate your equipment status and prepare your unit for the next cooling season: <br /> <br />1, Checking the Compressor-Motor Assembly for the following items and performing PM <br /> Tasks as indicated: <br /> <br /> · Recording voltages <br /> <br /> · Meging and recording motor winding resistance <br /> <br /> · Lubricating open motor <br /> <br /> · Checking the alignment on open drive units <br /> <br /> · Checking the coupling <br /> <br /> <br />