Raytheon Beech Baron E55 - Electric Trim Tab System (Optional)

Raytheon
Aircraft
BEECH BARON
55
AND
58
SHOP MANUAL
FOR
TAB
HORNS
OF
0.091-INCH-THICK
ALUMINUM
WITH
A
PRESSED
IN
STEEL
BUSHING
a.
Remove
the
existing bushing
from
the tab
horn
and
ream
the
hole
in the tab
to
an
inside
diameter
of 0.3276/
0.3291
inch.
NOTE
Maintain
the
bushing
centerline
as
nearly
perpendicular
to
the
trim
tab tube centerline
as
possible.
b.
Using
a
clean
rag
dampened
with solvent
(19,
Consumable Materials
Chart,
Section
2)
or
equivalent,
clean
the
hole
in
the
tab
horn,
the
area
around the
hole
and
a
P/N
96-610026-5
bushing.
c.
Scuff
sand
the
contact
surfaces
of
the
bushing
andthe
tab
horn,
and clean the
area
thoroughly
as
specified
in
step
b.
d.
Wipe
off
the
parts
with
a
clean
rag
before
the
solvent
evaporates.
e.
Apply
a
thin
coat
of adhesive
(37,
Consumable
Materials
Chart,
Section
2)
to
the
contact
surfaces
of
both
the
bushing
and
the tab
horn.
f.
Join
the
tab horn
and the
bushing
and
clamp
together
until the adhesive has
cured
completely.
NOTE
When
clamping
the horn
and
bushing
together,
use care
not to
squeeze
out
all
of
the adhesive.
g.
Remove
the
existing
rod end and
locknut
from
the
tab
pushrod assembly
at the
tab horn
endand
replace
it with
a
P/N
96-610026-7
rod
end,
along
with locknut.
h.
Install
the trim
tab
and install
a new
P/N
AN173C6/M/
bolt
in the tab horn end
on
the
pushrod.
NOTE
When
connecting
the
tab
pushrod
to
the
tab
horn,
the rod end
must
be
free
to
move
without
binding
against
thetab
horn
or
the
bushing
in
the tab
horn.
(Turning
the
nut
on
the bolt
to
contact
the rod
end
plus
one
castellation
should
accomplish
this.)
i.
Lubricate
all
pivotal
points
with
grease
(11,
Consumable Materials
Chart,
Section
2).
ELECTRIC
TRIM
TAB
SYSTEM
(OPTIONAL)
FIGURE
4-18
ELECTRIC
TAB
ACTUA TOR
REMOVAL
a.
Disconnect
the
actuator
wire
harness
at
the
disconnect
splices.
b.
Place
a
wood
or
sheet
metal shim between
the
cable
drum
and the
cable
guard
to
prevent
the
cable
from
un-
winding.
c.
Remove
the
fairlead
from the
bulkhead
aft of the
actuator.
d.
Disconnect
the
actuator
cable
at
the
turnbuckle
first,
then
at
the
aft
fitting.
e.
Remove
the
three bolts
securing
the
actuator
to
the
bracket,
remove
the
actuator
from
the
airplane.
4-46
E16