Procedure For Disassembly And Reassembly - Hitachi RAS-18YH4 Service Manual

Procedure for Disassembly and Reassembly

〈INDOOR UNIT〉 MODEL
1. Front Panel
(1)Pull up the washable panel by holding it at both
lower sides with both hands.
(2)When the panel opens full, push the inner part
of the right arm into the inside and pull the panel
forward while closing it gradually.
2. Front cover
(1)After removing two screws, pull the center of
the front cover forward and release the claws.
(2)Hold the front cover at both lower sides and
pull them forward to remove.
RAS-18YH4
Fig. 1
Fig. 2
Fig. 3
3. Main P.W.B. and Reception/Indication
P.W.B.
(1)Remove each connector from the lead wire.
(2)Remove the four P.W.B. supports from the main
P.W.B..
(3)Pull the support hook at the upper side of the
indication lamp of the reception/indication
P.W.B. and pull out the P.W.B. forward.
Support hook
– 96 –
Main P.W.B.
Reception/indication P.W.B.
Fig. 4