Table of Contents
Advertisement
c.
Adjust
the tab
actuator
so that the
tab actuator
rod
before
the
rig
pin can
be installed
through
the bellcrank.
extends
a little less
than
half way.
Replace this screw after
rigging is
completed.
d.
Set
the
tab to neutral position by
adjusting
the push
NOTE
rod and
connect
the
rod
to
the
actuator
rod.
The
rig
pin holes
in
the
elevator
bellcrank
and
e.
Center the chain on the sprocket and
tighten the
elevator belicrank bracket assembly may be
used
cable. Refer to
figure
3-2
and
the
cable
tension graph
for
to
set
the
bellcrank
in
the
neutral
position
for
tension
and
travel
rigging
operations except on airplane Serials TD-
303
thru
TD-351, and TD-380 thru
TD-410.
On
f.
Adjust
tab
stops, check
travel
and safety turnbuck-
these
aircraft
the
elevator bellerank
may be
les
placed
in
the
neutral
position by
locating
the
bellcrank forward of
the
elevator down stop as
NOTE
indicated
in
figure 3-3.
After
rigging
the
rudder
tab system, check the tab
b.
Adjust
the
push
rods
to bring the elevator
in
the
control and the surface for correct movement.
neutral position.
When
the tab
control
is
moved to the
left,
the tab
should move
to the
right.
c.
Set the control column approximately
4 inches
aft of
its forward
stop on aircraft prior to Serial TD-534, and secure
it
with
a parallel clamp or padded "C" clamp.
Insert
a
rig
pin
in
RUDDER TRIM TAB END
PLAY INSPECTION
the control lock pin
hole
on Serial TD-534 and after,
a.
Adjust
the
rudder
trim
tab trailing
edge to align
with
d.
Rig
the
cables
to the tension
shown on
the
cable
the
rudder control surface
trailing
edge
(0°
position).
tension
graph.
NOTE
e.
Remove
the
rig pin.
The rudder must be
in
the neutral position
for
this
f.
Adjust
elevator
travel
at the elevator stops on the
inspection.
bellcrank
in
the
fuselage
tail
section, accessible through
inspection openings on
the
fuselage
under
the
horizontal
b.
Carefully attach a
dial indicator
to the surface of the
stabilizer. Refer
to
figure 3-3 for elevator
travel.
M
rudder,
above the
trim tab
in
line with
the
control surface
trailing edge.
g.
Watch
the
elevator movement to make sure that
it
correctly corresponds
to
movement
of the control column.
c.
Zero the
indicator
while applying 31bs. load
perpen-
dicular
to the
tab surface away
from
the
dial indicator at the tab
ELEVATOR TAB RIGGING
trailing edge, aft of
the trim tab
horn.
a.
Set elevators
in
neutral position.
d.
Without
moving
the
indicator,
apply 3
lbs. load
perpendicular
to the tab
surface
toward the
indicator.
The
b.
Set
indicator
at 20 degrees
down.
reading
on
the
dial
indicator is
the tab
free play, and
it
should
M
not exceed 0.044-inch-
c.
Adjust
tab
actuator so that tab actuator
rod
extends
2/3
of
its
total travel.
E
e.
If
the
free
play exceeds 0.044-inch,
inspect
all com-
ponents of
the tab
actuation system to determine the cause.
d.
Set
tab to20
degrees down and connect push
rod
to
All worn
parts should be replaced.
actuator
rod.
RIGGING THE ELEVATOR CONTROL
SYSTEM
e.
Put chain on
the
sprocket so that
three
links
are
left
on
the
bottom of the sprocket and
tighten
cables. Refer to
a.
Set the elevator bellerank in
the
neutral
(venica0
figure
3-3
and
the cable tension graph
for
tension
and travel.
position and
install
a rig pin. On airplane Serials TD-352 thru
TD-379, TD-411 and after,
the
bottom screw secunng the
f.
Adjust
tab
cable stops, check
travel
and safety
elevator bellcrank down spring brackets must be
removed
turnbuckles.
C2
3-5
Advertisement
Table of Contents
Troubleshooting
