Hitachi RPI-0.8FSG1 Service Manual page 182

SERVICING
(2.2 In-the-Ceiling Type)
(9) Remove two (2) lower M6 screws fixing the motor base and loosen the upper two (2) M6 screws.
(10) Remove four (4) M4 screws fixing the ring of the casing at the rear side of the fan motor and remove
the motor base, the ring and the runner at the
same time.
Motor Base
(11) Loosen the screw fixing the runner onto the fan motor by the adjustable wrench and pull out the
runner.
ATTENTION:
The total weight of the motor base, the fan motor, the ring and the runner is approximately 15kg.
Carefully perform the above removing work.
2-42
TURN OFF all power source switches.
Motor Base
M4 Screws
Runner Fixing Screw
Tool Phillips Screwdriver
M6 Screws
Runner
Tool Phillips Screwdriver, Adjustable Wrench
Ring
Fan Motor