Mitsubishi Electric FR-F806-E Hardware Instruction Manual page 87

Inspection item
 Removal of the cooling fan (FR-F846-00620(30K) to 01160(55K))
(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
86
PRECAUTIONS FOR MAINTENANCE AND INSPECTION