Piper Cherokee Six - Page 655

PIPER
CHEROKEE
SIX
SERVICE
MANUAL
a.
Remove
the
access
plate
on
the
right
side
of the
fuselage
aft
of sta.
259.30.
b.
Tune
the
aircraft
communications
receiver
to
121.5
MHz
and
switch
the
receiver
ON:
deactivate
the
squelch,
and
turn
the
receiver
volume
up
until
a
slight
background
noise
is heard.
NOTE
If
the
aircraft
is
not
fitted
with
a communications
receiver,
request
that
the
tower
listen
for
your
test.
c.
On
the
transmitter,
set
the
ON/ARM/OFF
switch
to
the
ON
position.
Keep
the
switch
in this
position
for
only
a
few
seconds;
then
set
to the
OFF
position.
Return
to
the
ARM
position.
NOTE
The
test
transmission
should
have
been
picked
up
by
the
aircraft
communications
receiver
and/or
control
tower.
During
cold
weather,
there
may
be
a
slight
delay
before
transmission
occurs.
d.
A
transmitter
which
is
functioning
properly
should
emit
a
characteristic
downward
swept
tone.
e.
When
the
test
is completed,
ascertain
the
transmitter
ON/ARM/OFF
switch
is
in
the
ARM
position.
f.
Place
the
access
panel
on
the
right
side
of
the fuselage
aft
of
sta.
259.30.
WARNING
Whenever
the
unit
is
checked
by
moving
the
transmitter
ON/ARM/OFF
switch
from
the
ARM
to
the
ON
position,
it
must
then
be
moved
to
the
OFF
position
before
reverting
to
the
ARM
position
again.
CAUTION
Under
normal
conditions,
the
transmitter
switch
must
be
set
to arm.
NOTE
Inspect
the
external
whip
antenna
for
any
damage.
Avoid
bending
the
whip.
Any
sharply
bent
or
kinked
whip
should
be
replaced.
Antenna
damage
may
cause
structural
failure
of
whip
inflight.
ELECTRONICS
Revised:
6/18/76
3F13