Procedure For Disassembly And Reassembly - Hitachi RAK-18QXB Service Manual

Procedure for Disassembly and Reassembly

INDOOR UNIT
RAK-18QXB,RAK-25RXB
RAK-35RXB,RAK-50RXB
1. Front Panel
(1 )
Be sure to hold the front panel with both hands
to detach and attach it.
2
When the front panel is fully opened with both
hands, push the right arm to the inside to
release it, and while closing the front panel
slightly, put it out forward.
2. Front cover
(1) After removing the screw of fix ing the
terminal cover, hold the handle of terminal
cover and remove it.
After removing two screws, pull the center of
(2)
the front cover and release the claws.
(3)
Pull the side faces (lower sections) of the front
cover as shown in the figure and remove the
cover.
Screw cover
1
Shaft
Hole
Fig. 1
screw
Terminal
screw
ECO Sensor
Fig. 2
• Remove and attach the front cover
to the direction as shown in the
figure to ensure no damage occurs
to the ECO sensor.
3. Control P .W.B. and Indicating
P.W.B.
(1)Remove each connector from the lead wire.
(2)Remove the four P.W.B. supports from the
control P.W.B.
(3)Pull the support hook at the upper side of the
indication lamp of the indicating P.W.B. and pull
out the P.W.B. forward.
Control P.W.B.
Support hook
cover
- 49 -
CAUTION
Indicating P.W.B.
Fig. 3
X
O