Filling The Fuel Cells; Draining The Fuel System; Engine Fuel Filters And Screens - Raytheon BEECH BARON 58P Maintenance Manual

BEECHCRAFT
BARON 58P AND 58TC
MAINTENANCE MANUAL
REPLENISHING
MAINTENANCE PRAC- DRAINING THE FUEL SYSTEM
TICES
To
ensure
that all fuel is removed from
FILLING THE FUEL CELLS the
system,
the fuel should be drained
through the boost
pumps.
To
expedite
the
CAUTION defueling operation, the boost
pumps may
be used
to
pump
the
fuel
out
of the sys-
When inserting
or
removing the
tem.
The following
steps must
be
accom-
fuel nozzle,
use
extreme
care
to
pi i shed before
energizing
the pumps:
prevent
the fuel hose from rubbing
against
the deicer boot. Also, do
a.
Apply external
power
to
the air-
not
allow
fuel
to contact
the plane electrical
system.
deicer boot.
b. Place the fuel selector valve in
The fuel
system
installation consists of the
"ON"
position and the mixture
lever
in
an
inboard
leading
edge fuel cell,
box
IDLE CUT-OFF"
section
fuel cell and
an
outboard leading
edge fuel cellin
each
wing. On
airplane
c.
Remove the filler
caps
to vent
the
serials TJ-24 and after,
an
optional
wet system.
wing tip
may
be installed. The fuel cells
in
each wing
are
interconnected
in
order d. Disconnect the
fuel line
at
the
to
make all of the usable fuel from each firewall and attach
a
drain
hose. Provide
wing
available to its engine
when the fuel
a
suitable
container
for the fuel.
selector valve
is
turned ON. A fuel sight
gage ~s
provided
outboard of the nacelle
e.´•
Energize the boost
pumps.
on
the
top
of each wing.
The
interconnect-
~ng
fuelcells
are
serviced through
the
f.
When fuel
is
no
longer pumped from
single filler
in
each wing
or
the filler the airplane open the sump drains
to
com-
in each of the
optional
wet
wing tips, plete the defueling operation.
providing single point filling
for each
side. The combined
capacity
of the stand- ENGINE FUEL FILTERS AND SCREENS
ard
system
is
172 gallons, 166 gallons
usable.
The combined capacity of
the
Most
fuel injection
system
malfunctions
optional
system
is.196 gallons, 190
usa- can
be attributed
to
contaminated
fuel.
ble.
Inspecting and
cleaning the fuel
strainers
should be considered
to
be of the
utmost
When filling the
airplane fuel cells,
importance
as a
regular
part
of
preventive
always
observe the following: maintenance.
a.
Service the
fuel cells with
Normally
the fuel strainers
should be
100/130
octane
fuel,
or
if
not
available, inspected and cleaned
every
100 hours.
use
115/145
octane
fuel (1, Chart 202,
However,
the strainers
should be inspected
12-20-00. and
cleaned
at
more
frequent
intervals
depending
on
service
conditions,
fuel han-
b.
Make
sure
the airplane is
stat-
dling equipment,
and when operating in
ically grounded
to
the servicing unit.
localities where
there
~s an excessive
amount
of sand
or
dust.
c.
Do
not
fill fuel cells
near open
flame
or
within 100 feet of
any
open
ener-
Open
each of the
seven
snap-type
fuel
gi
zed
electri cal
equi pment
capable
of drains
daily
to
allow
condensed moisture
producing sparks.
to
drain from the
system.
d.
Do
not
insert the fuel nozzle
more
NOTE
than 3 inches
into
the filler neck;
to
do
so may
cause
damage to
the rubber fuel If the
cells
are
to
remain
cell.
unfilled for
10 days
or
more,
apply
a
thin coating
of
light
engine
oil
to
the inside surface
12-10-00
Page
201
A22
May
22/87