Fuji Electric FCX-AII-V5 series Instructions Manual And Service Instructions page 17

Check space
Ensure a space of about 500mm against the cover in order to facilitate he maintenance.
Change of vent/drain plug position
Unscrew slowly grasp the hexagon part of vent/drain plug with an allen key.
Put a new seal tape (4 to 8 rounds) and mount the vent/drain plugs in the position you want
applying the tightening torque :
TN5FCXA2V5h-E
500
500
500
15