Removal Of The Fan Duct And The Fan; Removal Of The Printed Circuit Board (Pcb) - Hitachi RCI Service Manual

10 Servicing

10.2.6 Removal of the fan duct and the fan

Remove the three screws securing the fan duct to the drain pan
and remove it.
Remove the duct by removing the nut and washer securing it.
Remove the fan motor connector.
Remove the three nuts securing the fan motor and remove it.
N O T E
Torque value: maximum 4Nm.

10.2.7 Removal of the printed circuit board (PCB)

Remove the air inlet grille as indicated in chapter
air inlet grille, see on page 277.
Remove the electrical box cover as indicated in chapter
of the electrical box, see on page 279.
Separate all of the wiring connectors on the printed circuit boards
(PCB).
Carefully remove the securing supports from the control PCB (six),
from the power supply PCB (four) and from the noise filter PCB
(four) by pressing carefully on the support tabs with long-tipped
pliers, as shown in the figure.
C A U T I O N
• Do not touch the electrical components of the PCB.
• Do not apply force to the PCB, as this could damage it.
• Pay special attention to the position of the connectors on
the PCB. An incorrect position during installation may
damage the PCB.
280
SMGB0063 rev. 1 - 10/2010
Removal of the
Removal