Raytheon Beech Baron E55 - Page 245

Raytheon
Aircraft
BEECH
BARON
55
AND
58
SHOP
MANUAL
ELEVA
TOR
TRIM
TAB
ACTUA
TOR
INSTALLA TION
IW~IRNINO
i
WARNING
To
ensure
proper
movement of
the
trim
tabs,
make
sure
that
the
left-hand
actuator
is
installed
on
the
left-hand horizontal
stabilizer
and the
right-hand
actuator
is installed on
the
right-hand
horizontal stabilizer.
The
trim
tab
actuator
that
will
be
installed
on
the
left-hand horizontal
stabilizer,
shall
have
threads
on
its
actuator
screw
(4)
that
will
rotate
clockwise
when screwed
into
the
nut
assembly
(2).
Refer
to
figure
4-15.
The
trim
tab
actuator
that will be
installed
on
the
right
hand horizontal
stabilizer,
shall
have threads
on
the
actuator
screw
(4)
that
rotate
counterclockwise
when
screwed
into the
nut
assembly
(2).
Refer
to
figure
4-15.
The
elevator
trim tab
actuators
must not
be
interchanged
between
the
right
and
left
horizontal stabilizers
when
they
are
reinstalled.
Reversing
the
actuators,
reverses
the
direction,
and
nose-up
trim
would
actually
result
in
an
inadvertent
nose-down
trim
condition
that
could
result
in
an
uncontrollable
airplane
attitude. Refer
to
elevator trim tab
actuator
color
coding
to
reduce
the
probability
of
unintentionally switching
the
actuators
upon
installation.
a.
Position
the elevator trim
tab
actuator
in the
horizontal
stabilizer and install the
attaching
hardware.
b. Position the
chain
and cable
assembly
on
the
actuator
sprocket
so
that
the
ends
of
the
chain
are
equidistant
within
0.20
inch
at
the
sprocket
centerline.
c.
Install
the
elevator
as
outlined
in
Section
4
of this
Shop
Manual
under the
heading
ELEVATOR
INSTALLATION.
d.
Connect
the elevator
trim
tab cables
to
the turnbuckles
in
the
aft
fuselage.
e.
Remove
material
used to
protect
the
cables.
f.
Rig
the elevator trim tab control
system
as
outlined
in Section
4
of
this
Shop
Manual
under
the
heading
ELEVA-
TOR TRIM TAB
RIGGING.
NOTE
After
rigging
the elevator
and
elevator
trim tab
control
system,
check for
correct
movement
of the
control surfaces with
respect
to
the
movement
of
the
controls. When
the elevator trim
tab
control
wheel
is moved toward
the NOSE
DOWN
position,
the elevator trim tab should
move
tlP.
g.
Install the
access
panel,
located
near
the
leading
edge
of
the
horizontal stabilizer.
h.
Install
the
access
panel,
located
near
the
trailing edge
on
the
horizontal stabilizer.
1.
Install
the
access
panel
on
the left-hand
side
of
the
fuselage,
just
forward
of
the
horizontal
stabilizer.
i.
Connect the tail
navigation
light
wire
and
install the
tail
cone.
216
4-37