The fan and air guidance assembly is attached to the main PCB with 2 screws.

Each fan has one connector for power and one for the pod sensor - these need to be disconnected from the PCB before removing the fan assembly. If you want to replace a fan, you will need to unhook the sensor cables from the sides.

Fans used are: 1604KL-01W-B39-B00 NMB Technologies DC Fans DC Axial Fan, 40x10mm, 5VDC, 4.2CFM