If your ever wondering why your air conditioner is not cooling your room down like it used to .Here is likely the problem and how to fix it .
Step 1: Disassemble Outer Shell and Front Panel
Step (1) remove the 8 screws from the outer shell
step (2) remove the 4 screws holding the front face panel on .
step (3) remove front face panel taking caution not the pull any wires from the control panel circuit board.
step (4) used a small garbage bag to cover the front panel so that water doesnt get to the circuit board.
Step 2: Analyzing the Parts to Be Cleaned
Step (1) Once the top cover and front panel is off. Now removing the top foam panel will reveal the fan and motor.
Step (2) you will find that there are two radiator panels .One huge one that you can see thats part of the back panel. And one smaller one on the opposite side of the fan motor.
Step 3: Blowing Out the Main Componants
Start by using a air nozzle blow out the coolant fins on both radiators.Then blowout the cavity getting all loose particles out. Next blow out the fins of the fan blade .
Step 4: Using Coil Cleaner
Step (1) purchase a can of coil cleaner from your local hardware store . Its only $6.99
step (2) spray the fins on both sides of both radiators.It will foam up then the foam will disappear.
step(3) rinse both radiators with a garden hose.
Step 5: Reassemble
reassemble and replace in a window. you will see a dramatic difference in the coldness of the air blowing into the room...