Hitachi RCI Service Manual page 337

10 Servicing
Then lift the panel slightly to release the combined parts (three)
from the top of the front panel.
Make sure there are no gaps between the front panel and the unit
casing when fitting.
N O T E
Gaps between the front panel and the unit casing may lead to air or condensate leaks.
Removal of the front panel (only RPK-(2.5-4.0)FSN2M)
Remove the right side cover to connect the gas refrigerant pipes and wiring and to check the drainage water flow.
C A U T I O N
Completely cover the front panel with a sheet of plastic to protect it during installation work.
Remove the three bushings and the screws.
Pull slowly on the bottom of the front panel, making sure the air
outlet does not touch the outlet grille.
Then lift the panel slightly to release the combined parts (four) from
the top of the front panel.
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SMGB0063 rev. 1 - 10/2010