Cessna T188C - Disassembly; Inspection of Parts

MODEL
188 &
T188
SERIES
SERVICE
MANUAL
10
Beginning
Serial
18802349
15|
Detail
C
18802349
^^^~
Detail
D
1
~2~
19
-.
-<
12
½\
/an
Detail D
Thru 18802348
Detail
F
Figure 19-21.
Hydraullically-Operated
Dispersal
Systems
(Sheet
13 of
14)
b. beginning
with
aircraft serial
18803522,
remove
c. Remove
end
cap (66),
packing
(65) and
inlet hoses
to shroud,
enclosing
reservoir,
and
re-
spacers
(61),
move
shroud
halves.
d.
Remove
filter
bypass
assembly
(I thru
6) from
c. Depress air
valve core in body
assembly of
fitting (7).
reservoir
to
relieve
system
pressure.
e. Remove
filter
(33),
cap (34),
elbow
(39) and
dip-
d. Disconnect
motor seal drain
line at elbow at
stick (40).
bottom of
reservoir
and install
flex hose
to drain
f.
Pull body
assembly
(53) from
reservoir
tube (64),
fluid
from reservoir.
Route flex hose
to a container
removing
baffle (58).
placed under
one of the openings
in aircraft
belly.
g. Remove
relief valve
assembly
(26).
h.
Remove
two-way
valve
assembly
(43 thru
49).
NOTE
i. Remove
fitting (27),
nut (28), O-ring
(29) and
ball (31).
If filler
cap
is not
removed,
little
fluid
will
be lost
while connecting
flex
hose. However,
sufficient
care
must
be
exercised
to avoid
NOTE
excessive fluid loss.
Use
caution not
to lose seats
(30) and
(32)
e. Either
pressurize
reservoir
with
air compressor
to
approximately
10
psi
or
remove
filler
cap
to expe-
j.
Remove
remaining
parts
from
body
assembly
as
dite
fluid
draining,
necessary,
using
the
figure
as
a guide.
f. Disconnect
ON-OFF valve
control at
the valve
and
at clamp
on reservoir
lug.
NOTE
g. Disconnect
all lines
at reservoir.
h. Remove
screw,
washer
and
nut
from
clamp
at
Studs
(63),
return
tubes
(55)
and
(62),
suction
bottom
of reservoir,
tube
(57)
and bypass
valve
fitting
(7) may
also
i. Remove
reservoir
from aircraft,
be removed,
if necessary.
19-43. DISASSEMBLY. (See figure 19-23.) 19-44. INSPECTION OF PARTS.
a.
Remove nuts
(69),
washers (68)
and packings
(67)
a.
Wash all
parts in cleaning
solvent
(Federal
from studs
(63).
Specification
P-S-661
or equivalent)
and
dry with
b.
Reinstall
nuts
loosely
on
studs
and
slightly
filtered
air.
pressurize
reservoir
to facilitate
disassembly.
b.
Inspect
all threaded
surfaces
for serviceable
19-48