1) Check all refrigerant operating pressures. 2) Check oil pressure and level. 3) Check amperage draw of all motors. 4) Replace all filters. 5) Check and adjust all belts, replace if necessary (the contractor will be required to replace all damaged belts, during the course of the contract, within the basic maintenance price). 6) Lubricate all bearings. 7) Check supply and return temperatures and provide a written report to the owner (balance system as required). 8) Check condenser and evaporator coils. 9) Perform minor leak test. 10) Check operation of thermostats and controls (including time clocks). 11) Blow out condensate lines. 12) Check operation of heating section. 13) Check operation of cooling section. 14) Replace all fuses as necessary. 15) Check operation of low ambient levels and adjust as necessary.
