Cessna 152 - Page 117

CESSNA
MODEL
152
SECTION7
AIRPLANE
&
SYSTEMS
DESCRIPTIONS
Both
cabin
doors
are
equipped
with
openable
windows.
The
windows
are
held
in
the
closed
position
by
a
detent
equipped
latch
on
the
lower
edge
of
the
window
frame.
To
open
either
window,
rotate
the
latch
upward.
The
windows
are
equipped
with
a
spring-loaded
retaining
arm
which
will
help
rotate
the
window
outward,
and
hold
it
there.
If
required,
the
windows
may
be
opened
at
any
speed
up
to
149
KIA$.
All
other
cabin
windows
are
of
the
fixed
type
and
cannot
be
opened.
Two
additional
fixed
windows
may
be
installed
in
the
cabin
top.
CONTROL
LOCKS
A
control
lock
is
provided
to
lock
the
ailerons
and
elevator
control
surfaces
in
a
neutral
position
and
prevent
damage
to
these
systems
by
wind
buffeting
while
the
airplane
is
parked.
The
lock
consists
of
a
shaped
steel
rod
with
a
red
meta.I
flag
attached
to
it.
The
flag
is
labeled
CONTROL
LOCK,
REMOVE
BEFORE
STARTING
ENGINE.
To
install
the
control
lock,
align
the
hole
in
the
top
of
the
pilot's
control
wheel
shaft
with
the
hole
in
the
top
of
the
shaft
collar
on
the
instrument
panel
and
insert
the
rod
into
the
aligned
holes.
Proper
installation
of
the
lock
will
place
the
red
flag
over
the
ignition
switch.
In
areas
where
high
or
gusty
winds
occur,
a
control
surface
lock
should
be
installed
over
the
vertical
stabilizer
and
rudder.
The
control
lock
and
any
other
type
of
locking
device
should
be
removed
prior
to
starting
the
engine.
ENGINE
The
airplane
is
powered
by
a
horizontally-opposed,
four-qylinder,
overhead-valve,
air-cooled,
carbureted
engine
with
a
wet
sump
oil
system.
The
engine
is
a
Lycoming
Model
O-235-L2C
and
is
rated
at
110
horsepower
at
2550
RPM.
Major
engine
accessories
(mounted
on
the
front
of
the
engine)
include
a
starter,
a.
belt-driven
alternator,
and
an
oil
cooler.
Dual
magnetos
are
mounted
on
an
accessory
drive
pad
on
the
rear
of
the
engine.
Provi-
sions
are
also
ma.de
for
a
vacuum
pump
and
full
flow
oil
filter.
ENGINE
CONTROLS
Engine
power
is
controlled
by
a.
throttle
located
on
the
lower
center
portion
of
the
instrument
panel.
The
throttle
operates
in
a
conventional
manner;
in
the
full
forward
position,
the
throttle
is
open,
and
in
the
full
aft
position,
it
is
closed.
A
friction
lock,
which
is
a
round
knurled
disk,
is
located
at
the
base
of
the
throttle
and
is
operated
by
rotating
the
lock
clockwise
to
increase
friction
or
counterclockwise
to
decrease
it.
1
July
1978
7-15