Performed cooling maintenance on two Trane air conditioners: Second floor system: Outdoor coil is clean Refrigerant charge is correct Wiring is all secure and tight, no signs of overheating Capacitor measured 39.5/4.9 Replaced 16x25x1 filter Indoor coil is clean Drain flowing properly Blower is clean No signs of water leaks Main floor system: Outdoor coil is clean Capacitor measured 60.6/4.8 **Power disconnect is overheated. Highly recommend replacing it** Refrigerant charge is correct Replaced 20x25x4 filter Indoor coil is clean Blower is clean Drain is clear Blower capacitor measured 17 while the motor was running. Only concern found was the main floor AC electrical disconnect mounted to the exterior. Approved proposal to replace 60A disconnect. Needs return visit to be in a couple weeks.