Hitachi RAS-18FH6 - Procedure for Disassembly and Reassembly; 4. Tangential air flow fan and fan motor; <OUTDOOR UNIT> MODEL RAC-18 YH6, RAC-25 YH6; 1. Electrical Parts

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MODEL RAC-18YH6, RAC-25YH6
4. T
angential air flow fan and fan motor
T
T
Fig
. 5
Fig
. 7
Fig
. 9
Fig
. 10
Fig
. 1
1
Fig
. 8
Fig
. 6
Lower bearing cover
Cabinet
Upper bearing cover
(1) Remove two screws lockin
g
the drain pan.
(
2
)
P
ress to lower the hook at the center o
f
theunit a little and
p
ull the
c
l
aw
f
orwar
d
to removet
h
e
d
ra
i
n
p
an.
(5) Remove the electrical box fixin
g
screws and
G
ND wire fixin
g
scre
w
.
(6) Remove the terminal plate
f
ixin
g
screw
.
(
7
)
Remove
P
lock
w
hich
bi
n
ds
lead
w
i
r
es
.
(
8
)
S
et the electrical box u
p
side down.
(
9
)
Remove
P
.
W
.B.
f
ixin
g
screws (2 locations) and radiation
f
in
f
ixin
g
screws
(
5 locations
)
, and remove the
P
.W
.
B
.
f
rom t
h
e su
pp
ort.
1. Electr
i
cal Part
s
(
1
)
R
emove t
h
e upper cover
fi
x
i
n
g
screws an
d
lif
t t
h
e cover to remove
i
t.
(
2
)
Remove the service valve cover
.
(
3
)
Remove the terminal
p
late cover
.
(4) Remove the ri
g
ht side cover
.
(3) Remove the screws
f
rom the upper and lowerbearin
g
covers.
(4) Remove the lockin
g
hook o
f
the lower bearin
g
cover
f
rom the
Cab
in
et.
(
5
)
Remove two lock screws
f
rom the
f
an motorholder
.
(6)
P
ull up the evaporator by holdin
g
it at the lowerside. Insert a
screw
d
r
i
ver t
h
rou
gh
t
h
e space
b
etween t
h
e evaporator an
d
d
ra
i
n
chute
a
n
dloose
n
the
fa
n
lock
sc
r
e
w
to
r
e
m
o
v
e
the
fa
n
a
n
d
fa
n
m
oto
r
.
Radiation fin fixing screw
P.W.B. fixing screw
<OUTDOOR UNIT>
RAS_AW_083-093e 2008.03.06, 21:0689