May - Raytheon BEECH BARON 58P Maintenance Manual

BEECHCRAFT
BARON 58P AND 58TC
MAINTENANCE MANUAL
EMERGENCY
MA INTENANCE PRAC-
portable redios,
etc.,
are
usual-
TICES
ly unknown.
EMERGENCY
LOCATOR
TRANSMITTER
CAUTION
MAINTENANCE
The ELT
switch should
not
be
Maintenance
on
the ELT
is
normally limited
turned ON
unless the ELT is
con-
to
replacing
the battery.
Ihe following
nected
to
its
associated
antenna
is
a
list of the various conditions which
or a
50-ohm dummy
load.
warrant
battery
replacement.
NARCO BATTERY
REPLACEMENT
a.
Visual
inspection
shows signs of
(leakage,
corrosion,
or
unsecure
leads,
a.
Place the ARM-OFF-ON switch
on
the
ELT
in
the OFF position.
b.
Elapsed replacement
date noted
on
the battery
case
(this
date
represents
50%
b.
Disconnect the
antenna
cable from
of the useful
life of the
battery). the
ELT. Disconnect
the
remote
switch
wiring,
if installed,
from the
terminals
NOTE
on
the
ELT.
The useful
life of the battery is
c.
Unlatch the
mounting
strap
and
the
length
of time which the bat-
remove
the
ELT from the
airplane.
tery
may
be stored without losing
its
ability to
continuously
oper-
d.
Extend the
portable
antenna.
ate
the
ELT for 48 hours.
CAUTION
c.
After
any
emergency use.
Exercise
extreme
care
in
extend-
d.
After
one
cumulative
hour of
use,
ing
the portable antenna
and the
handling
of the control
head dur-
e.
After
operation
of unknown dura-
~ng
the battery
replacement in
tion.
order
to
avoid damage to
the
antenna
or
the plastic
tab
on
the
f.
If transmitter is
stored in
an
upper end.
area
where the temperature
is
normally
above 380C
(1000F),
the
battery
should be
e.
Remove the four
screws
attaching
replaced
every
12 months.
the
control head
to
the battery
casing
and
slide the
control
head and the
battery
CAUTION
case
apart,
The battery
connection
leads
are
approx~mately 3 inches
long.
Avoid storage
of batteries
at
temperatures
in
excess
of
550C
NOTE
(1300F).
Do
not
remove
the sealant
on
the
The
information
of battery life and
inside lip of the
battery
pack
or
replacement is
included
in
the data fur-
a
water
tight
seal
will
not
be
nished
with each
ELT, and is
usually
made when the
ELT
unit
is
reas-
placarded
on
the
battery.
sembled.
NOTE
f.
Disconnect the
battery by
unsnap-
ping
the battery
terminals from the bottom
Replacement
batteries
should
be
of
the transmiter
PC board. Discard the
obtained
only
from ELT and
old battery.
craft
manufacturers
or
other
acceptable
suppl iers, since
the
NOTE
condition
and useful life of
over-the-counter
batteries,
such
Inspect
for and
properly
treat any
as
those
sold for flashlights,
corrosion
that
may
be
indicated
25-60-00
Page
201
A22
May
22/87