Performed AC Preventative maintenance for a 22 year old Heil system. Model #Tca236aka1, serial #L011663387. Upon arrival I turned the thermostat to the off position. I powered Dow the system and removed the access panels. The evaporator coil’s are dirty and in rough condition. Tested the drain pan, drain line and condensate pump with set cups of water to ensure that there are no leaks or clogs. Found a clog in the condensate pump and I was able to remove the obstruction. The air filter size 16x20x1 is completely clogged. I replaced the air filter today. Checked all electrical connections to ensure that they are secure and good condition. The blower motor and blower wheel are both very dirty and clogged. I re attached the access panels and powered the system back up. I called for ac and observed the system starting normally. The blower motor is very loud. The condenser coil’s are in bed condition also the condenser and pad are sinking into the ground and are no longer level. The condens