Hitachi IJ UX Service Manual page 158

4.8.4 Motor replacement
１
Turn off the power supply.
２ Perform "4.1.3 Approach to the parts on the rear side of the equipment", "(1)Access
method from the front" and open the unit door.
[Caution] Be careful not to catch the tubes.
３
Remove the connector from the Motor.
Motor
４
Remove the fixing screws (4 positions) of the motor.
Unit door
Pump unit Motor
4-25
Motor connector
Fixing screw (4 pcs)