Hitachi RAS-10JH4 Service Manual page 105

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3. Indicating P.W.B.(at display panel)
(1) Remove the lead wire (CN2).
(2) Detach the claws for fixing the P.W.B. and pull out the
P.W.B. towards you.
4. Control P.W.B.
(1) Hold the both sides of the electrical parts cover and
remove it by pulling out towards you.
(2) Remove each lead wire and earth wire lock screw from
the control P.W.B.
(3) Remove the electrical parts lock screws (2 points).
(4) Pull out the electrical parts towards you.
(5) Detach the P.W.B. lock claws (3 points) and lift up the
control P.W.B. towards you from the right side to
remove it.
Screw for fix wire of earth
Ground wire
5. Two way air exchange unit
(1) Remove the lock screw on the top surface and remove
the unit by rotating it downwards.
Screw for fix electrical parts
- 103 -
6. Dew-free assembly
(1) Detach the claws (2 points) fixed to the cabinet.
(2) Hold the both sides of the dew-free assembly and
remove it by pulling out its lower side and then rotating
it upwards.
7. Indicating P.W.B.(at switch)
(1) Remove the switch cover and lead wire (CN8).
(2) Remove the right side of the P.W.B. lock claw.
(3) Remove the board from the right side by lifting up
towards you.
Switch P.W.B.
8. Cross-flow fan and fan motor
(1) Remove the bearing cover lock screw on the left side of
the evaporator.
(2) Pull the left side of the evaporator towards you while
lifting it up and detach the claw on the lower side of the
bearing cover.
(3) Remove the pipe cover on the right side of the
evaporator.
(4) Remove the fan motor holder lock screw and detach
the claw of the holder by pushing the lower side of the
holder upwards.
(5) Loosen the fan lock screw and remove the fan.
(6) Remove the fan motor by rotating it towards you.
CN8
(connected to control P.W.B.)
P.W.B. lock claw

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