Piper cherokee WARRIOR - ENGINE AND PROPELLER SYSTEMS; Engine Systems and Components

CHEROKEE
WARRIOR
ENGINE AND
PROPELLER
The
PA-28-l 5 |
is
powered
by a Lycoming
O-320-E3D
four cylinder.
direct
drive,
horizontally
opposed
engine
rated at
150 HP
at
2700
RPM. It is equipped
with
a starter,
a 60
amp l4
volt
alternator,
a shielded
igrrition, dual
magnetos,
vacuuln
pump
drive, a
fuel
pump,
and
a
wetted
pol-vtrrethane
foam induction
air filter.
A recommended
overhaul
period
of 2000
hours
is based
on
Lycoming service
erperience.
Operation
beyond
the recommended
time is
the
decision
of the
operator. Since
Lycoming
from time to
time revises
the
recommended
overhaul
period.
thc'owner
should check
with his dealer
for the latest
overltauI
period
on his
engine
as
well as any
additional
Lycoming Servicc
Information.
The engine
compartment
is easily accessible
for inspection
through
top-hinged
side
panels
on
either
side
of the engine cowlings.
The engine cowlings
are cantilever
strltctures attached
at
the fire
wall. The engine
mounts are constructed
ol
steel tubing,
and
dynafocal
mounts
are
provided
to reduce
vibration.
The. exhaust
system
is constructed
of stainless
steel and
incorporates
a
single
muffler
with
heater shrouds
to supply
heated
air for the
cabin.
the defroster
systent and
the carburetor
deicing
system.
An
oil cooler
is
located on
the
left
rear
of
thc' engine mounted
to
thc engine
baffling.
Engine cooling
air,
which is
picked
up in the
nose section
of the
engine cowling
and
carried
through
the
baffling.
is
utilized
on the
left side
for
the
oil cooler.
A
winterization
plate
is
provided
to
restrict
air during
winter
operation.
(See
Winterization
in Harrdling
and Servicing.)
Engine air
enters
on either
side of
the
propeller
tltrouglt
openings
itt
thc' nose
cowling
and
is
carrred
through
the engine
baffling
around
tlte engine
and oil cooler.
Air for
the
muffler
shroud
is also
pickc'd
up
from the
nose cowling and carried
through
a largc
duct
to the shroud.
Carburetor
indrrction
air
enters a chin
scoop
on
the
lower right
cowling
and is
passed
through
a
wetted
polyurethane
filter
to the carburetor
air
box.
Heated air
enters
the carburetor
air
box
through a hose connected
to the heater
shroud.
A Mgcar.rley
lCl60/8GM7653
or a Sensenich
74DM6-0-58
fixed
pitch
propeller
is installed
as
standard
equipment.
The
McCauley
propeller
has a diameter
of
76
inches
with a
pitch
of 53
inches
and the Sensenich
has a 74 inch
diameter
with
a
58
inch
pitch.
The
pitch
of both
propellers
is determined
at75%
of
the diameter.
Both
propellerunitsare of an
aluminum
alloy
construction.
The
pilot
should
read
and
follow the
procedures
recommended
in
the Lycoming
Operator's
Manual for this engine
in
order
to obtain
maximum engine
efficiency
and time
between
engine
overhauls.
AIRPLANE
AND
SYSTEMS
ISSUED:
JULY
17,1973
)-)