Cessna T188C - Page 281

MODEL
188
& T188
SERIES
SERVICE
MANUAL
6
3 2
*10
o10
18800833
THRU
18801824
* Lacing
attaches
ducting
to structural
tubing.
1. Gasket
4. Clamp
8. Collector
2. Louver
Assembly
5. Inlet
Screen
9.
Duct
3.
Grommet
6.
Deflector
10. Lacing
7.
Aluminum
Foil
Figure 14-4. Fresh Air Installation
tom of the
fin is attached
to
a duct which
routes
the air
14-15. OPERATION.
Ram air
enters
the cockpit
to a
louver
assembly
in the
ccckpit.
The
louver
can be
through
the
two fresh
air scoops
mounted
in the
opened
or closed
or partially
opened by
the pilot
to
canopy top.
The fresh
air is
distributed
over the
provide
fresh
air to
the cockpit.
pilot's
head
and
upper
torso
and
is directed
by
the
rotatable air guide in the air vent housing.
14-13. FRESH AIR INSTALLATION. (Beginning
with
18801825.)
(See
figure 14-7.)
14-15A.
FRESH
AIR INSTALLATION.
(Beginning
with
18802746.)
(See figure
14-8.)
14-14.
DESCRIPTION.
The
installation
is com-
prised
of two fresh air scoops mounted
in the canopy 14-15B.
DESCRIPTION. The fresh
air unit in the
top, a plenum chamber and rotatable air guide mount- canopy top includes an air scoop (8), fwd and aft
ed in the air vent housing which
is connected directly
plenums (1) and (13), rotatable
air guides (2) and an
to the two fresh air scoops in the canopy top. The air inlet butterfly (6). The butterfly (6) can be
two fresh air scoop doors can be opened or closed opened or closed, or adjusted as desired, by a lever
individually by control
levers mounted on either
end (14) located
above the pilot's head.
of
the air vent housing.
A drain
spout Is installed
in
the
bottom
of the housing
with
plastic
tubing
connected
14-15C.
OPERATION.
In flight,
ram
air
enters
and
routed
to
an outside
drain
hole
in the
lower
right
the
scoop
(8),
flows
through
the air
guides
(2),
hand
fuselage
inboard
of
the stub
wing
root,
located
in the
plenums
(1)
and (13)
and
is
diffused
across
the
top
14-6 Revision 1