RECIPROCATING SYSTEMS • lubricate meter bearings, check drives, align and adjust belt or couplings • check suction, oil and discharge pressures • leak test visually • check compressor safety controls • check and adjust refrigerant controls • pull down refrigerant system • check rotation pump down refrigerant system • check operation of unloaders • check water regulator valve, adjust if required • check Freon charge, add if needed (Freon billed additionally) • check electrical connections; HEATING SYSTEMS • check electric heat elements • check heating coils • check traps, strainers and valves • check boiler controls • check boiler water level and low water cutout • check automatic valves • inspect burner operation tube and adjust • check and adjust burner control • clean burners and flues • check, clean and adjust safety and operating control • replace oil filters • check electrodes • check unit heaters • check transformer high voltage output • clean and adjust gun • check electrical connections...