Raytheon Beech Baron E55 - Page 249

Raytheon
Aircraft
BEECH
BARON
55
AND
58
SHOP MANUAL
b. Install the
nut
assembly
into
the
housing (5).
c.
Install
the collar
(3)
and
the
retainer
ring
(2)
in
the
housing.
d. Use
a
spanner
wrench
to
install the threaded
bushing
(7)
into
the
housing
until
total end
play
of
the
nut
assembly
is
no more
than
0.010
inch. The
nut
must
be
free
to
rotate
and
operate
smoothly
through
its full
travel.
If
end
play
cannot
be
reduced
to
within
limits,
replace
the
actuator.
e.
Install
the
check
nut
(8)
on
the
threaded
bushing.
f.
install
the
bearing
cap
(1)
on
the
housing.
CHECKING
ELEVA
TOR
TRIM
TAB FREE PLA
Y
FIG
URE
4- 1
7
Visually
inspect
the
elevator
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
4-17.
a.
Securely
lock the
control
surfaces
to
prevent
movement
of the elevators.
Set the elevator trim tab
in neutral.
b. Use
shot
bags
to
hold
the dial indicator check fixture
so
that
the
point
of the dial indicator
is 4.0
inches
aft
of
the
tab
hinge
line
(TE-l
and
After;
TH-1 and
After)
or
3.3
inches
aft
ofthe
tab
hinge
line
CTC-1
and
After)
on
the outboard
edge
of
the elevator tab.
c.
Apply
a
small
piece
of
masking
tape
(for paint
protection)
4.5
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 bottom surface
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
downward
load. Record
the
dial
reading
as
A.
g.
Release half of the load
to
obtain
a
1.5
pound
downward
load.
Record
the dial
reading
as
B.
h.
On
the
masking
tape
on
the
bottom
surface,
apply
a
3.0
pound upward
load. Record
the
dial
reading
as
C.
i.
Release
half of the load
to
obtain
a
1.5
pound upward
load. Record the
dial
reading
a
D.
j.
Enter the recorded
readings
ona
copy
of
Chart
4-2
and
proceed
as
follows:
1.
Multiply
B
by
2
and
record
a
2B.
2.
Subtract
A
from 28
and record
as
X.
3.
MultiplyD
by2and
recordas2D.
4.
Subtract
C
from 20
and record
as
Y.
NOTE
X
and
Y
can
be
negative
numbers.
5.
AddXandYand
recordas
E.
E16
4-41