Deice Boots; Shock Struts - Raytheon BEECH BARON 58P Maintenance Manual

BEECHCRAFT
BARON 58P AND 58TC
MAINTENANCE MANUAL
CAUTION
ing ladders
or
platforms
against
the surface of the boots.
The
use
of
an
external
ground
power source
is recommended for
SHOCK
STRUTS
ground operation requiring bat-
tery
drain and starting the air-
CAUTION
plane during cold weather.
Never
tow
or
taxi with
a
flat
A systematic battery maintenance
program
strut.
Even brief
towing
or
taxi-
should
be
established
and
carefully fol-
ing with
a
deflated
strut
can
lowed,
cause severe
damage.
a.
The battery should be
removed
from
The
shock
struts
are
filled with
com-
the airplane
for
servicing.ressed
air and
MIL-H-5606 hydraulic fluid
13, Chart 202,
12-20-00).
The
same pro-
b. A log
of the
services performed
cedure is used for servicing both the mai´•n
on
each battery
should
be maintained.
and
nose
shock
struts.
The shock
strut may
be serviced
as
follows:
c:
The
battery
should be removed from
the a~rplane
and serviced after 100
flight
a.
Remove the air valve
cap
and
hours
or
30
days,
whichever
occurs
first.
depress the valve
core
to
release the
air
If the
ambient
temperatures
are
above
900F
pressure.
or
the
time
between
engine
starts
averages
less than 30
minutes,
the duty cycle
CAUTION
should be reduced.
Do
not
unscrew
the air
valve
d. The log of battery
services
per-
assembly until the
air
pressure
formed
should
be
evaluated
to
determine
has been released
or
it
may
be
the need
to
service the battery
at
the bl
own
off
wi t
h
c o n s
i
de rabl
e
above
recommended
intervals
or
to
exceed
force, causing injury
to
personel
the intervals if justified. Accurate
water
or
property
damage.
consumption data is
a
valid barometer
to
use
for adjustment of the
b. Remove the
air valve
as
sembly.
intervals. Compress
the
strut
and fill, through the
air valve assembly hole, with MIL-H-5606
DEICE BOOTS hydraulic fluid (13,
Chart 202,
12-20-00)
(approximately
one
pint) until
the
fluid
Since the deicer boots and related
compo-
overflows.
nents operate
on
clean
air
supplied from
the
pressure
manifold, little is
required
c.
Cycle the
strut
(full
extension
in the form of
serv~cing
the
system.
The
to
comp re s
sed and refill. Repeat until
boot surface should be checked for
engine fluid
cannot
be added
to
the
strut
in the
oil after
servicing
the airplane and
at compressed position.
the end of each flight.
Oil
found
on
the
boot surface should be removed. This
can
NOTE
be accomplished by the
use
of
a
neutral
soap
and
water
solution. Care should be
Cycling of shock
strut
is
neces-
exercised
to
avoid scrubbing the surface
sary
to
expel
any
trapped air
of the
boot
as
this
will tend
to
remove
within the
strut
housing.
the special conductive surfacing.
d. Install the
air valve assembly.
NOTE
e.
With the
airplane resting
on
the
Because the deicer boots
are
made
ground and the fuel cells
full;inflate
of soft flexible stock,
care
must
the
nose gear
strut
until 4.31 inches of
be exerci sed against dragging
the
piston is
exposed. Rock the
airplane
gasoline hoses
over
them
or
rest-
gently
to prevent
possible binding of the
piston in
the barrel
while inflating.
12-20-00
Page 202
May
22/87
A22