Raytheon Beech Baron E55 - Page 364

RaytAeon
nircraft
Company
BARON
55
AND
58
SHOP
MANUAL
REMOVING
AND
INSTALLING
THE
LANDING
GEAR ACTUA TOR
ASSEMBL
Y
a.
Remove the
cabin front
seats.
b.
Remove
the
access covers on
top
and
directly
behind the front
carry
through
structure.
c.
Disconnect
the
main
landing
gear
retract
rods
at
the
actuator.
d.
Remove the
flap
motor
attaching
bolts
and
disconnect
the
landing
gear
door
actuating
rods
at
the
actuator.
e.
Remove
the four
screws
securing
the
landing
gear
limit
switch
assembly
on
the
left
hand
side of
the
actuator
and
move
the switch
assembly
aside
to
permit
removal
of
the
actuator.
f.
Disconnect
the
landing
gear
motor
electrical
wiring.
I
g.
Remove
the
landing
gear
actuator
access
door
on
the
bottom
of
the
fuselage
and
remove
the
nose
gear
actuator
retract
arm
and
linkage
from
the
actuator.
h.
Remove
the
four
actuator
attaching
nuts
and
remove
the
actuator.
i.
Installation
is
a
reverse
of
removal.
When
installing
the
nose
gear
actuator
retract
arm on
the
actuator,
make
certain
that
the
index mark
on
the
arm
coincides
with
the
index mark
on
the
actuator
shaft.
j.
Make certain
that the
landing
gear
limit switch
actuators
are
installed
when the
retract
rods
are
connected
to
the
actuator.
k.
Install
cotter
pins
and
safety
wire.
i.
After
completing
the
landing
gear
actuator
installation,
check
the
landing
gear
for
proper
rigging.
I
LANDING
GEAR
ACTUA
TOR
OVERHAUL
a.
Remove
the
motor(l)
from the
actuator
and
remove
the
gear
(2)
from
the
face of
the
motor
(Ref.
Figure
15).
b.
Remove
the
snap
ring
(3)
from
the
end
of
the
shaft
(19)
and
remove
the
gear
(4)
from
the
shaft.
c.
Remove
the
snap
ring
(5)
from
the
end
of
the
actuator
drive
shaft
(7)
and
remove
the
actuator retract
arm
(6)
from
the
shaft.
On
all aircraft
except
as
noted
below,
push
the shaft
out
of
the
assembly
in the direction
of
the
arrow.
NOTE: On TC-538
thru
TC-541,
TC-585, TC-589,
TC-590
thru
TC-595
and
TC-612 the
actuator
drive
shaft
(7)
and
the
actuator
worm
sector
(10)
are
a
one
piece
unit
and
may
be
removed
by separating
the
actuator
housing.
With
this
exception,
all
maintenance
procedures
are
the
same.
d.
Remove
the
screws
(8)
from around the
housing,
also
the
bolt
(9).
Separate
the
housing
and
remove
the
sector
gear
(10).
e.
Remove
the
screw
(Il)from
the
actuator
hand
crank
(12)
and
remove
the
spacer
(13)
and
0-ring
(14)
from
the
shaft.
f. Remove the
screws
(15)
from
the hand crank
housing (16)
and
remove
the hand
crank
housing
from
the
actuator
housing.
Jun
30/04Page
70
SECTION
5
E22