Specifications include, but are not limited to:Kosar Winter Maintenance -Thorough preventive maintenance will be performed once a year in January and will include the following : change oil and oil filter; oil samples and provide analysis; change refrigerant filters; procure refrigerant samples and provide analysis; change purge filters and check purge operation; evaluate all safety controls and operational controls; heck electrical connections in starter and control panel; check motor contacts and leads; Megger motor and oil pump; check oil heater and leads; perform electronic refrigerant leak test; pressure test machine to check for refrigerant leaks.; remove head(s) , clean and inspect condenser tubes using a rotary brush systems; and provide a written report of all repair needs & deficiencies to the Plant Services Office. • Kosar Spring Start-Up will be performed once a year in April: check condition of motor starter; start machine; inspect, adjust and calibrate operational and safety controls for proper function; complete operating log and record readings; check purge operation; check trim of unit; and set-up operating log with operator; instruct and advise troubleshooting techniques as required; and provide a written report of all repair needs and deficiencies to the Plant Services Office. • Kosar Summer Scheduled Preventive Maintenance Inspections During Operating Season to Include the Following to be performed first week in July and first week in August: check condition of motor starter; record operating temperatures, pressures, etc. and confirm whether ranges are acceptable; record information on operating log ; inspect, adjust and calibrate operational and safety controls for proper function; check purge system for proper operation; check trim of unit; review operating log with operator, discuss operation of the machine; and provide a written report of all repair needs and deficiencies to the Plant Services Office
