Step 1: Remove electric wire
Turn off the power supply to the system. Open the
cover plate of the electric box, then disconnect the
electric wires inside the box.
Step 2: Remove plate for the inlet air
Loosen the screws used to fix the cover plate for the
inlet air with a screwdriver. Then remove the cover
plate.
Step 3: Remove the rear fan motor casing
Undo the buckle of the rear and front of the fan motor
casing, then remove the rear fan motor casing.
Step 4: Remove front fan motor casing
Loosen the screws used to fix the front fan motor casing
and then remove the front fan motor casing.