CESSNA
MODEL
172P
SECTION
7
AIR,PLANE
&
SYSTEMS
DESCRIPTIONS
suita,ble
tool to snap the
valve into the extended
(closed)
position
and
remove
the drain hose.
IGNITION-STARTER
SYSTEM
cally
return to the
BOTH
Position.
AIR
INDUCTION
SYSTEM
The
engine
air
induction system
receive
in
the
lower front
portion
of
the
engine cowlin
a,n
air
filter whioh
removes dust
and
other fore
on
After
Passing
uretorwhich
is
throughintake
d
or
the intake
filter becomes blocked, alternate
heated air
can be obtained
from
a shroud
around an exhaust
riser through
a duct
to a valve,
in tho
airbox, operated
by the carburetor heat control
on
the instrument
panel.
Heated
air
from
the
shroud is obtained from an unfil.tered
outside source. Use
offull
carburetor
heat at futt throttle will result
in a
loss of approximately
7õ
to 1õ0
RPM.
EXHAUST
SYSTEM
Exhaust
gas
from each cylinder
pa,sses
through riser
assemblies
to
a
muffler
and tailpipe. The muffler
is constructed
with a shroud
around
the
outside which forms a heating chamber
for
cabin
heater air.
CARBURETOR AND
PRIMING
SYSTEM
The
engine is equipped
with an
up-draft, float-type, fixed
jet
carburetor
mounted on the
bottom
of
the
engine.
The
carburetor
is
equipped
with
an
enclosed
accelerator
pump,
an idle
cut-off
mechanism, and
a manual
30
May
1980
7-15
To Next Page
Loading...
