Raytheon Beech Baron E55 - Page 287

Ray~heon
Aircraft
BEECH
BARON
55
AND
58
SHOP
MANUAL
FLAP
MOTOR
AND
GEARBOX
CLEANING
AND
INSPECTION
(TC-I
THRU
TC-2002;
TE-1 THRU
TE-1083;
TH-I
THRU
TH-772)
a.
Clean
all
gearbox
parts
in
solvent
(15,
Consumable
Materials
Chart,
Section
2)
and
inspect
for
worn,
cracked
or
corroded
parts. Pay
particular
attention
to
the
worm
and
gear
(14)
and
worm
wheel
gear
(19)
and
the
bearings
(9)
in
the
sides
of
the
gearbox.
b.
Inspect
the
brushes
(27)
of the
flap
motor
for
wear.
The
original
length
of
the
brushes
is
1/2
inch
long.
Apply
adhesive/sealant
(58,
Consumable
Materials
Chart,
Section
2)
to
the brush
holder
threads before
installing
the
brush
plug.
FLAP
MOTOR
AND
GEARBOX ASSEMBL
Y
(TC-I
THRU
TC-2002;
TE-I THRU
TE-1083;
TH-I THRU
TH-772)
FIG URE
4-3 1
a.
Install
thespacer
(21),
washer
(22)
and shim
washers
(23),
and
install the
control shaft
(20).
Install
the
retaining
pin
(24).
b.
Install
the
washer
(12),
worm
and
gear
(14),
thrust washer
(15), bearing
(16)
and
bearing
cup
(17).
c.
Install
the
countershaft
(10)
and
secure
with
the
set
screw
(11).
d.
Fill
the
gearbox
with
lubricating
grease
(11,
Consumable Materials
Chart,
Section
2).
e.
Install
the
gasket
(7)
and
cover
(8)
on
the
gearbox
and
secure
with the
attaching
screws.
f.
Install
the
long
screws
(26) through
the
motor
brush
housing
(25)
to
secure
the
motor to
the
gearbox.
g.
Install
all
safetywire.
FLAP
MOTOR
AND
GEARBOX
OVERHAUL
(TC-2003
AND
AFTER;
TE-
1 084
AND
AFTER;
TH-773
AND
AFTER)
Overhaul
of the
flap
motor
and
gearbox
assembly
on
these
serials is
not
recommended.
The
motor
coupler
and
transmission
can
be
obtained
individually
from
Raytheon
Aircraft
Parts
Inventory
and
Distribution
(RAPID).
I
FLAP
SHAFT
REMO
VAL
FIGURE
4-32
a.
Place
the
airplane
on
jacks
and
retract
the
landing
gear
until
the
inboard doors
are
open
(use
the
circuit
breaker).
b.
Remove
the
front
seat
assemblies.
c.
Remove
the
spar
cover.
NOTE
A
retainer
has been
added
to
the
flap
cables
where
they
join
the
flap
gearbox.
This
retainer
may
have
been
on
production
airplanes
or
added
by
Beech Service Bulletin
No.
2460.
d.
Loosen
the
two set
screws
on
each
cable
retainer.
e.
Rotatethecable
retainersO".
f.
Remove
the
nut
on
the
inboard
side
of
the
mounting support.
E16
4-79