Cessna 172P - Brake System

CESSNA
MODEL
172P
SECTION
7
AIRPLANE & SYSTEMS
DESCRIPTIONS
climb, Ianding, and
maneuvers that
involve
prolonged
slips or skids.
Operation from either LEFT
or
RIGHT
tank
is reservedforcruisingflight.
NOTE
When the
fuel
selector
valve handle
is
in
the
BOTH
position
in
cruising flight, unequal
fuel flow
from each
tank may occur if the wings
are
not
maintained
exactly
level. Resulting wing heaviness
oan be
alleviated
gradri-
ally by turning the
selector valve
handle to
the tank
in the
"heavy"
wing.
NOTE
When
the
fuel tanks are tl4 full
or loss,
prolonged uncoor-
dinated flight suqh as slips or
skids sa,n
uncover
the fuel
tank
outlets.
Therefore, if operating with
ono
fuel tank
dry
or if
operating on LEFT or
RIGHT tank
when
1/4 full or
less, do not allow the
airplano to
remain in uncoordinated
fiight
for
periods
ln
excess of 30 seconds.
NOTE
It
is
not
practical
to
measure
the
time required
to conaume
all
of the
fuel
in one tank, and,
after switchÍng
to
the
opposite tank, expect an
equal
duration
from the
remain-
ing
fuel.
The
airspace in both fuel
tanks is interconnected
by a
vent
line and, therefore, some sloshing of
fuel between
tanks
can
be expected
when the tanks are
nearly
full and
the wings are
not level.
The fuel system is
equipped with drain
valves to
provide
a means for
the examination
of fuel in the
eystem
for contamination and
grade.
The
system should
be examined
before
the
first
flight of every
day and after
each refueling,
bV using
the sampler cup
provided
to drain
fuel
from the
wing tank sumps, and
by utilizing the fuel strainer drain
under an
a,ccess
door
on
the
aft right
side of the top engine cowling. If
takeoff weight
limitations
for tùre next
flight
permit,
the fuel tanks should
be filled
after
each flight
to
prevent
condensation.
BRAKE
SYSTEM
The airplane
has
a
single-disc,
hydraulically-actuated
brake
on each
main landing
gea,r
wheel.
Each
brake is
connected,
by a hydraulic line, to
a
master
cylinder
attached
to each of
the
pilot's
rudder
pedals.
The
brakes
are
operated
by applying pressure
to
the top
of either the left
(pilot's)
or
30
May
1980
7-zB