Hitachi RAC-18WED Service Manual page 45

(3)Pull fan motor out of the remove the right.
(4 ) Remove the screws from the upper and lower
bearing covers.
(5 ) Remove the locking hook of the lower bearing
cover from the
Cabinet
Lower bearing
cover
Claw
(6)Remove the fan and bearing from the left.
Fig. 6
Cabinet.
Fig. 7
Fig. 8
Points for attention of fan motor and tangential
air flow fan installation.
When installing the flow fan,the first part of the
fan and water seal plate on the tube plate overlap,
then tighten the screw.
5．Stepping motor
(1)The FC-guide frame fixed claw right side press.
Remove the FC-guide from the rear.
(2)Remove the stepping motor screws and take off
the stepping motor.
45
Fig. 9
Fig. 10
Fig. 11