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attaching bracket on overhead structure. On airplanes
b.
Run the
flaps
to the
full down
position.
If
the
flap
equipped
with
spring adjustment straps, attach spring to
position
indicator does
not
read 100% flaps,
loosen the trans-
adjusting strap and secure strap to attaching bracket.
mitter attachment bolts and adjust the transmitter
fore
and att
or
rotate
slightly
until
the reading
is
correct, then tighten the
c.
Employing a
hand force
gage on
the
control
wheel'
transmitter attaching bolts.
check for the correct
force
(refer to
the
elevator
down
spring
loads
given above)·
c.
Aun the flaps
up
and check the
indicator forup flaps
d.
Omit, readjust, or
install
adjusting straps, as neces-
reading.
sary, to obtain the above
readings.
RIGGING THE
AILERON
CONTROL SYSTEM
Aileron
and flap surfaces must align
with
upper and lower
RIGGING WING FLAP CONTROL SYSTEM
surfaces of the
wing within 1/16 inch.
The flap travel
is
adjusted by moving
the
limit
switches. The
Aileron
and connecting
linkage
may
have
a maximum of
1/16
left flap is rigged first
and
then
the
right flap is
synchronized
inch lost
motion. Check for
lost
motion at the midpoint of the
with it.
Rig as follows:
aileron
trailing
edge
with
the
bellcrank stationary.
a.
Adjust
the
up
limit
switch so the flap
will
stop approx-
NOTE
imately
3/32
inch from
the forward portion of
the
slot on the
inboard flap
track.
On aircraft Serials TD-453 and after,
remove
the
alleron trimmer before
rigging
the
cables.
b.
Adjust
the
down limit
switch to obtain the correct flap
travel: 33°
+
0°
-
2° for aircraft prior to TD-303, 28°
+
0°
-
1°
The aileron
is in
neutral
when its
trailing edge aligns
with
the
for
aircraft TD-303
thru
TD-452, and 28°
+
0°
-
2°
for
aircraft
trailing edge of the
wing
tip and
its inboard
end
is
parallel
with
TD-453 and after.
the outboard end of the flap.
A horizontal
misalignment of plus
or minus 3/16
inches is
allowed between trailing edges of
the
c.
Remove
the
bolt attaching the
right
actuator to the
aileron and
wing
tip.
With
the bellcrank parallel to
the
wing
rib,
right
flap.
set the aileron
in
neutral by adjusting the
length
of the push-
pull tube. Loosen the
locknuts
on both ends and
turn
the tube
d.
Turn the jackscrew on the
right
actuator
in
or out to
to shorten or
lengthen.
align the
right flap with
the
left.
Tighten
securely the
locknuts
on all
rod
ends. Rig cables as
e.
Install
the bolt connecting the actuator to the
flap.
shown
in
the diagram. Safety
the
turnbuckles.
CAUTION
AILERON TRIM
TAB END
PLAY INSPECTION
(EFFECTIVE AIRPLANES PRIOR TO SERIAL TD-453)
If flaps
are
removed
for any reason the
flap
ac-
a.
Adjust
the
aileron trim tab
trailing
edge
to
align
with
tuator switch should be
in
the
"Neutral"
position or
the aileron control surface trailing edge
(0°
position).
the
Main power switch "OFF".
-
NOTE
f.
With flap rigged
and
in
the
DOWN
position, adjust
the
rubber
bumper
(if installed)
to
remove
play or
vibration
of
Due to servo
tab
action, ailerons must be
in
the
the
flap. A
distinct change of sound
in
the
flap
motor near the
neutral position
for
this
inspection.
completion of the
flap
UP travel may
indicate
an excessive
outward adjustment of the bumper-
b.
Carefully attach a dial
indicator
to the surface of
the
aileron, outboard of the tim tab
in line with
the
control surface
FLAP POSITION INDICATOR AND ADJUSTMENT
trailing edge.
On
Model D95A
Travel
Air
s. TD-668 and after, a flap position
c.
Zero the
indicator while
applying31bs.load perpen-
gage
is installed in
the
instrument
panel and
replaces
the flap
dicular to the tab surface away
from
the
dial indicator
at
the
tab
position
indicator
lights. The
transmitter
for
the
position
indi-
trailing
edge att of
the trimtab
horn.
cator
is installed
on the
flap
actuator
in
the
left wing
just
forward
of the
rear
spar.
d.
Without
moving the dial
indicator,
apply 3
lbs. load
perpendicular to the tab surface toward the
indicator.
The
a.
Adjust
the
flap
travel
limit
switches to provide the
reading
on the dial
indicator is
the tab
free
play, and
it
should
correct up and
down
travel of
the
flaps.
(See above.)
not exceed
0.165-inch.
C2
3-7
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Table of Contents
Troubleshooting
