Raytheon Beech Baron E55 - Page 115

RalytheO´•
Aircraft
Company
BARON
55
AND
58
SHOP MANUAL
INSTALLA
TION OF
FLARED
NTTINGS
When
installing
flare
fittings,
make
sure
the male threads
are
properly
lubricated.
Torque
the
fittings
in accordance
with
the Flare
Fitting
Torque
Chart
in
Section
1.
Do
not
over-torque.
(1
LUBRICATION
OF
THREADS
All
plumbing
fittings
on
external
lines,
including
their
points
of
attachment
at
the
engine,
the threads
on
the oil
pressure
transmitter
and other
component
shall be
lubricated
(Ref.
Figure
5)
with
the
proper
lubricant
as
specified
in
Table
Of
Thread
Lubricants,
Table
1.
When
applying
thread
lubricants,
the
following
rules
should be
observed.
a.
Clean
threads
before
applying
lubricant.
b.
Use
only
thin
coats
of
selected
thread
lubricant.
c.
Apply
lubricant
to
male threads
only.
I~
On
straight
thread
fittings,
lubricate
the first
three
threads.
On
tapered
thread
fittings,
do
not
lubricate
first
two
threads.
Apply
lubricant
to
next
three
threads
only.
f. Never allow lubricant
to enter
fittings
or
flare
areas.
g.
Engine
fittings
should be lubricated
only
with
the
fluid
transported
in
the
line,
i.e.
engine
oil,
fuel.
Air
lines
are
notlubricated.
LUBRICATE
r~--LUBRICATE r--LUBRICATE
TAPERED
PIPE
THREADS
NOT
LUBRICATE
STRAIGHT
THREADS---/
\1
FEMALE
THREADS
NEVER
ALLOW
LUBRICANT
TO
CONTACT THIS
SURFACE
60-604-5
Lubrication of Threads
I
Figure
5
Page
30Dec
31104
SECTION
2
E23