Raytheon Beech Baron E55 - Page 511

~iSeechcraft
BARON 55
AND
58
SHOP
MANUAL
a.
Disconnectelectrical
connections. AIR
FILTER INSTALLATION
(INTAKE)
b.
Remove
the
inlet and outlet hoses
from
the valve.
(Flgure
11-3)
c.
Remove the
screws
and
washers,
which
hold
the
a.
i"stall
the filter
and
secure
with the
nut.
valve,
and
remove
the
valve.
b. Install the
spacer
and
cover.
The
cover
should be
installed with the
cover
opening
facing
down.
DUAL
PRESSURE
REGULATOR
(RELIEF)
VALVE
Secure
the
cover
with the
washers and
nut.
INSTALLATION
d.
Close
the
engine
cowling.
a.
Position the dual
pressure
relief valve and
secure
AIR FILTER REMOVAL
(IN-LINE)
with the washers and
screws.
a.
The
air
filters
(between
dual
pressure
relief
valve
b.
Install the inlet and outlet
hoses
on
the relief
valve
and
manifold)
are
accessible
through
the
access
and
secure
with
the
clamps.
doors,
located
on
the
aft
top
of
the
LH
and
RH
c.
Connectthe
electricalwires.
nacelles.
b.
Remove
the
air
filter
inlet and
outlet hoses
from
d.
Replace
the
access
door and
secure.
the
air
filter.
SERVICING
THE
FILTERS
c.
Remove
the
clamp,
screws,
and
washers
and
remove
the
filter.
Impurities
and
foreign
matter
are
removed
from the
air
by
two
pressure
system
filters.
The
intake filter
is
AIR FILTER INSTALLATION
(IN-LINE)
located
on
top
of
the
engine,
ahead of the
pressure
a.
Position
the
air
filter and
secure
with the
clamp,
pump.
This
filter
should be
replaced
annually
or
every
washers,
and
screws.
300 hours of service
time
or
sooner,
depending
upon
b.
Install the
inlet
and
outlet hoses
on
the
filter
and
operating
conditions. The filter
element
must not
be
secure
with
the
clamps.
subjected
to
solvents
and
must
be
replaced
if this
c.
Replace
the
access
door
on
the
top
aff of the
occurs.
Always
reinstall
the
filter
cover
with the
open-
nacelle
and
secure.
ing
facing
down. The
in-line filters
are
located between
the
pressure
regulators
and instruments.
The
fre-
PRESSURE REGULATOR ADJUSTMENT
quency
of
replacing
these
air filters
will
depend
upon
service
conditions;
however,
they
should
be
checked
a.
Locate
the
pressure
regulator
and
in-line filter
approximately
every
100
hours
of
operation
and
installed in the
upper
nacelle aft
of the firewall.
replaced
every
300
hours
of
operations,
or sooner
if
b´•
Install
a
test
gage
(0
to
20
psi
range)
between
the
conditions
warrant.
When
operating
in
localities where
regulator
and
the in-line
filter.
there
is
a
great
amount
of
dust
or
sand
in
the
air,
the
c.
Check
that
the
deicer
system
is off
and
adjust
the
filters should be
inspected
and
replaced
at
more
fre-
engine
to
2,000
rpm.
quent
intervals.
Under
extreme
dusty
conditions,
it
d.
Adjust
the low
pressure
section of the
regulator
may
be
necessary
to
inspect
the
filters
daily.
A
(section
with the
solenoid)
to
give
a
reading
of
5.0
clogged
filter reduces air
flow and slows
up
the
rotor,
1.0
_
.0
psi
on
the deice
pressure gage.
causing
improper
gyro
indication
due
to
a
loss
of
gyro-
e.
Check
that the
test
gage
in
the
nacelle
never
scopic
inertia.
exceeds 7.0
psi.
AIR FILTER
REMOVAL
(INTAKE)
NOTE
(Figure
11-8)
Airplane
serials TC-2102
and
after,
TE-1133
and
after,
and
TH-935
and
a.
Gain
access
to
the
filter
by opening
the
engine
after that do
not
have surface deicers
cowling.
will
not
have
the
high-pressure
regulator
b. Remove the
nut,
washers,
and
cover
from
the fil-
or
the
instrument
pressure
regulator
ter.
located
forward
of
the
pilot.
On
these
air-
planes,
adjust
the
nacelle
regulator
so
c.
Remove
the
spacer
and
nut
which
secures
the
fil-
that
the instrument
gyro pressure
gage
ter.
will
indicate
5
.1 -.2
in
Hg.
Omit
step
d
d.
Remove the filter.
through
k.
515
1131