Mitsubishi Electric FR-A806 Instruction Manual page 106

Inspection item
 Removal of the cooling fan (FR-A846-01800(55K) to 03610(132K))
(1) Remove the installation screws, and then remove the fan cover.
Fan cover
Installation screw
(2) Disconnect the fan connectors.
Fan connector
(3) Remove the installation screws, and then remove the fan.
Installation screw
5
105
PRECAUTIONS FOR MAINTENANCE AND INSPECTION