Raytheon Beech Baron E55 - Page 435

WARNING
2. If
the
leakage
is
around
a
bolt
with
a
gasket
type
seal,
retorque
the
bolt. If
the
leak
persists,
replace
the
ANY
leakage
in
an
enclosed
area or
in
an
area
seal
or
the bolt.
where the
fuel
will blow
into
the
fuselage,
re-
3.
If
the
leakage
is
at
the
gasket
around
an
ac-
quires
grounding
until
repair
is made.
cess
opening
or
fitting,
retorque
the
attaching
hardware.
If
the
leak
persists,
replace
the
gasket.
a.
Repair
of
heavy
seeps
or
smaller leaks
in
an
open
area
may
be
delayed
until
the
airplane
is
down for´•other
AIFIPLANE
DEFUELING
maintenance.
b. ANY
leakage
in
an
enclosed
area
requires
im-
T,ensure
that all
fuel is
removed
from
the
system.
the
fuel
mediate
grounding
and
repair.
should
be
drained
through
the
boost
pump.
To
expedite
the
c.
Remove
any
sealant
around
the
leak with
a
sharp,
defueling
operation,
the
boost
pump
may
be
used
to
pump
nonmetallic
tool,
such
as
a
tool
of
chisel-shaped
Formica.
the
fuel
out
of
the
system.
The
following
steps
must
be
accomplished
before
energizing
the
pump.
Scarf
the ends of
the
existing
fillet
so
that
a new
sealant
can
form
a
continuous
and smooth tie-in.
PR-890B-1/2,
Item
31,
a.
Apply
external
power
to
the
airplane
electrical
Consumable
Materials
Chart
or
EC-1675B-1/2,
Item
32,
Con-
system.
sumable
Materials
Chart,
is
recommended for
the
sealing
b.
Place
the
fuel
selector
valve in
the ON
position
process.
Thoroughly
clean
the
area
to
be
repaired
with
and
the
mixture lever
in
IDLE
CUT-OFF.
methyl
ethyl
ketone,
Item
19,
Consumable
Materials Chart
c.
Remove
the filler
caps
to
vent
the
system.
or
naphtha,
Item
18,
Consumable
Materials
Chart,
prior
to
d.
Disconnect
the
main
fuel
line
at
the
firewall
and
sealing.
The
following repairs
are
permissible:
attach
a
drain
hose.
Provide
a
suitable
container for
the
fuel.
e.
Energize
the
boost
pump.
1.
If the
leakage
is
around
a
rivet,
restrike
the
f.
When
the
fuel
is
no
longer
pumped
from
the air-
rivet.
This
can
only
be
done
once.
If
the
leak
persists,
plane,
open
the
sump
drains
to
complete
the
defueling
opera-
replace
the rivet.
tion.
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