Raytheon Beech Baron E55 - Page 266

Ray~heon
Aircraft
BEECH BARON
55
AND
58
SHOP
MANUAL
CHECKING
RUDDER
TRIM
TAB
FREE
PL4 Y
FIGURE
4-24
Visually
inspect
the
rudder
trim
tab
for
damage,
security
of
hinge
attach
points,
and
for
tightness
of
the
actuating
system.
Inconsistencies must
be
corrected
before
checking
the
free
play
of
the
tab.
A
check
fixture
(P/N
45-135030-9/810)
or
equivalent,
a
dial
indicator,
and
a
push-pull
scale
for
applying
accurate
loading
to
the
tab
are
required
for
making
the
inspection
for tab
free
play.
Refer
to
Figure
4-24.
a.
Securely
lock the
control
surfaces
to
prevent
movement
of
the
rudder.
Set
the
rudder
trim
tab
in
neutral.
b.
Use
tape
to
hold the
dial
indicator
check fixture
so
that the
point
of the
dial
indicator
is 8.10 inches
aft of the
tab
hinge
line
and
on
the
bottom
edge
of
the
rudder
tab.
c.
Apply
a
small
piece
of
masking tape
(for
paint protection)
9.5
inches
aft
of
the
tab
hinge
line and
along
the
cen-
terline of
the
tab
actuator.
This
is
the
point
of
pressure
against
the
tab
by
the
push-pull
scale.
d.
Apply
another
piece
of
masking tape
in
the
corresponding
location
on
the
other side
of
the tab.
e.
Set
the
dial
indicator at
zero.
Do
not
reset
the dial indicator
during
the
checking procedure.
f.
With the
push-pull
scale
on
the
masking
tape, apply
a
3.0
pound
load
to
the
right.
Record
the dial
reading
as
A.
g.
Release
half of the load
to
obtain
a
1.5
pound
load.
Record
the
dial
reading
as
8.
h.
On
the
masking
tape
on
the left
surface,
apply
a
3.0
pound
load
to
the
left.
Record
the
dial
reading
as
C.
i.
Release
half
of
the load
to
obtain
a
1.5
pound
load.
Record
the
dial
reading
as
D.
j.
Enter
the
recorded
readings
on a
copy
of Chart
4-3
and
proceed
as
follows:
1.
Multiply
B
by
2 and
record
as
28.
2.
Subtract
A
from
28
and
record
as
X.
3.
Multiply
D
by
2 and
record
as
2D.
4.
Subtract
C
from
2D
and
record
as
Y.
NOTE
X
and
Y
can
be
negative
numbers.
5.
Add
X
and
Y
and
record
as
E.
k.
If the
free
play
is
over
the
maximum
specified
in
Chart
4-3,
inspect
all
components
of
the tab
actuator
system
to
determine
the
cause.
All
worn
parts
must
be
replaced.
4-58
816