Raytheon Beech Baron E55 - Page 255

Raytheon
Aircraft
BEECH
BARON
55
AND
58
SHOP MANUAL
ELECTRIC
TAB
ACTUA
TOR
INSTALLA
TION
Installation
procedure
is
the reverse
of
the
removal
procedure.
Tab
rigging
and
cable
tension
are
identical
to
the
manually
operated
tab.
NOTE
Adjust
the
variable
resistor
mounted
adjacent
to
the
actuator
until
the
cable travels
from
stop
to
stop
within
18
to
20
seconds
on
Model E55
airplanes
or
within
27
to
30 seconds
on
Model
58
airplanes
when
28
vdc
is
applied
to
the
circuit.
TAB
CABLE
REMOVAL
a.
Remove
the
fairleads
and
disconnect
the
cables
at
the
turnbuckles.
b.
Connect
a
lead
line
to
the
end of
each
forward
cable
(identify
the line
for
tab-up
cable
movement),
and
pull
the
cable
from
the
airplane
structure.
c.
Remove
the cable
guide
and cable
retaining pin
from
the
cable
drum.
d.
Remove
the cable
from the
cable
drum.
TAB
CABLE INSTALLA
TION
Note
the
position
of
the
cable
on
the cable
drum
in
relation
to
the
forward
cable
fittings.
Install the
new
cable in
the
same
position.
This
will
ensure
adequate
free
cable
on
the
drum
in
both
directions
to
allow
full
travel
on
the cable
stops.
MAGNETIC
CLUTCH
REMOVAL
a.
Remove
the
lid
from
the
clutch
housing.
b.
Loosen
the
setscrew
in
the
clutch
rotor
and
armature
hubs.
c.
Remove
the
motor
from
the
clutch
housing.
d.
Slide
the
cable
drum
and
shaft
assembly
from
the
clutch
housing.
e.
Remove
the
clutch
from
the
clutch
housing.
MA
GNETIC
CL
UTCH
INS TALLA TION
Installation
procedure
is
the
reverse
of the
removal
procedure.
No
lubrication
is
required. Tighten
the
clutch
arma-
ture
setscrew
with
no
visible
end
play
in the
cable drum shaft.
Slide the
clutch
rotor
on
the
motor
shaft to
obtain
0.010
to
0.015 inch
of
clearance
between
the friction
surfaces of the
clutch before
tightening
the
setscrew.
Stake
both
set-
screws
MAGNETIC
CLUTCH
TORQUE
TEST
The
following
check should
be
performed
any
time
the
magnetic
clutch
is
replaced.
a.
Using
a
28
vdc
power
source,
connect
the
red
electrical
lead of
the
magnetic
clutch
to
ground
and
the
white
electrical lead
to
the
power
source.
Using
a
torque
wrench,
check that
the clutch holds
with
30
inch-pounds
of
torque
applied
at
the
actuator
shaft.
E16
4-47