Cessna SKYHAWK - Fuel and Airspeed Systems Details; Fuel System Schematic; True Airspeed Indicator; Fuel Tank Quick-Drain Valve Kit

FUEL
SYSTEM
SCHEMATic
TRUE
AIRSPEED INDICATOR
A
true airspeed
indicator is
available
to replace the
standard
air-
LEFT FUEL
TANK
RIGHT
FUEL
TANK
speed
indicator in
your
airplane.
The true airspeed
indicator
has a
cali-
brated
rotatable
ring
which works
in conjunction with
the airspeed
indi-
cator
dial
in
a
manner
similar to the
operation of
a flight computer.
VENT
I
- TO
OBTAIN TRUE
AIRSPEED,
rotate
ring
until
pressure altitude
is
aligned
with outside air
temperature
in degrees
Fahrenheit. Then
read
true
airspeed
on
rotatable ring
opposite airspeed
needle.
NOTE
Pressure altitude
should
not be
confused
with
indicated
SELECLVOER
altitude. To
obtain pressure
altitude,
set
barometric
scale
on
altimeter
to
"29.92" and read pressure altitude
on
altimeter. Be sure to
return altimeter barometric
scale
to
original barometric
setting after
pressure
alti-
tude
has
been obtained.
ENGONE
STFRUA
R
ENGINE
PRIMER
CODE
FUEL
TANK
QUICK-DRAIN
VALVE
KIT
FUEL SUPPLY
VENT
Two fuel
tank
quick-drain
valves and
a
fuel
sampler cup
are available
---
MECHANICAL
CARBURETOR
THROTTLE
as a
kit
to facilitate
daily draining
and inspection of
fuel in the
main tanks
LINKAGE
for
the
presence
of
water and
sediment.
The
valves replace existing
fuel
tank drain plugs
located at
the lower
inboard
area
of the
wing.
The fuel
MIXTURE
sampler
cup, which may
be stowed
in the
map
compartment, is
used to
TO
CONTROL
drain
the
valves.
The sampler
cup
has
a
probe
in
the
center of
the
cup.
ENGINE KNOB
When
the probe
is
inserted into the
hole
in
the bottom of
the drain
valve
and
pushed upward, fuel
flows
into
the cup to
facilitate
visual inspection
of ghe
fuel. As
the
cup
is removed,
the drain
valve seats,
stopping
the
Figure
2-2.
flow of fuel.
2-2
6-5