Raytheon Beech Baron E55 - Page 292

Ray~heon
Aircraft
SEECH
BARON
55
AND
58
SHOP
MANUAL
FLAP
ACTUA
TOR
L
UBRICA
TION
FIGURE
4-33
a.
Clean
all
parts
with solvent
(15,
Consumable
Materials
Chart,
Section
2)
and
inspect
for
cracks,
corrosion,
dis-
tortion
and
excessive
wear.
Replace
the
O-ring
and
seals.
b.
Pack the
bearings
with
gear
lube
(7,
Consumable
Materials
Chart,
Section
2).
Lubricate
the
O-ring
with
silicone
compound (57,
Consumable
Materials
Chart,
Section
2)
before installation.
FLA P A
CTUA
TOR
A
SSEMBL
Y
NGURE
4-33
i
cAuTlon
i
CAUTION
The
flap
actuator
must
be
assembled
so
that
the
vent
hole
in
the
housing
is
on
top
when the
actuator
is
installed.
Be
sure
there
are
no
obstructions.
a.
If
the
piston
plug (3)
was
removed,
apply
retaining
compound (59,
Consumable
Materials
Chart,
Section
2)
to
the
new
piston
plug
and insert
the
piston
plug
into
the
piston
(7).
Align
the holes
in
both
parts
and
install the
new
pin
(11).
Peen the
pin
and
file
the
ends
flush
with
the
piston
exterior. Remove
the
excess
retaining
compound
from both
the
inside
and
outside of
the
piston.
Coat the
piston
plug
and
pin
with
primer
(24,
Consumable Materials
Chart).
b. Install the
O-ring
(10)
into the
housing
(8).
c.
Pour
2/3
ounce
of
gear
lube
(7,
Consumable Materials
Chart),
into
the
threaded
end
on
the
piston
(7).
d.
Install
one
of the
bearings
(6)
over
the
threaded
end
of
the
actuator
screw
(9).
Start
the
screw
into
the
piston,
and
insert
the
piston
into
the
housing.
e.
Install
the
other
bearing
(6)
and
the
seal
(5).
Use
approximately
100
pounds
of force
to
seat
these
parts
in
the
housing.
f.
Install
the
thick
spacer
(4)
and
the
thin
spacers
(12),
the flexible
shaft
(2),
and
the
snap
ring
(1)
in
the
housing.
Apply
approximately
100
pounds
of
reverse
force
to seat
the
parts
against
the
snap
ring.
g.
The end
play
between
the
piston
and
the
housing
must
be
0.002
to
0.010
inch.
Remove the
snap
ring
and
adjust
the
quantity
of
spacers
(4
and
12)
to
obtain
the
correct
end
play.
Install the
snap
ring.
NOTE
A
maximum
of
five
thin
spacers
(12)
and
maximum of
one
thick
spacer
(4)
is allowed
in
the
assembly.
h.
Run
the
actuator
in
and
out
several
times
to
check
operation
to
its
full travel.
Excess
lubricant
will
be
forced
out
of
the
vent
hole.
i.
Install the
actuator
with the
vent
hole
up.
Be
sure
there is
no
tape
or
obstruction
covering
the
vent
hole.
4-84
616