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e.
If
the
free
play
e×ceeds
0.165-inch,
inspect
all
system, check
for
correct
movement
of
the control
components
of
the
tab
actuation system to
determine
the
surfaces
with respect
to the
movement
of the
cause.
All worn
parts should
be replaced,
with
new parts.
controls.
AILERON
TAB RIGGING (Effective airplanes prior
to
Serial
TD-453)
Since
the
aileron
tab
is
a servo
tab,
every time the
alleron moves down
the tab
should move
up. Also
a
Place
cockpit aileron
trim tab
control
in neutral
when
the tab
control
is moved
toward
"RIGHT
position.
WING
UP"
the tab
should
move
down.
b
Place
aileron
in
neutral position and connect trim
tab to tab
actuator.
AILERON TRIMMER (TD-453 and
after)
c.
By turning sprocket on actuator, adjust trim tab to
Effective with airplane Serial TD-453, and after, all
Travel Air
both extremes of
travel;
measure
both settings and
return
tab
airplanes have the alleron trim tab
removed
and are equipped
to the mid-point of
the two
extremes of
travel.
This will
place
with an aileron control trimmer which
functions
by applying
the actuator
in
the
neutral
positon
tension to the
alleron control cables.
The
trimmer
does not
change
the
rigging of the system, but should be
removed
d.
If
the trim
tab
is
not
in
the
neutral
position
upon
before checking cable tension. To
remove,
unscrew
the two
completion of step c, adjust
push rod
to
place
tab
in
neutral
body halves
by holding the clutch body
housing
(outer
half)
position
and
turningthe
clutch body nut (inner
half)
counterclockwise.
Separate
the two
body
halves
by pulling out on the clutch
body
e.
Center
the
chain on the sprocket and tighten the
housing.
When
installing,
carefully
insert
the
shaft through the
cable.
Refer
to
figure 3-5
for tension and
travel
felt
seal
into
the
hub
bearing, being careful
not
to shear
the
felt
seal. Screw
the two
halves of
the
unit
together
by
holding
the
f.
Check trim
tab
travel, adjust cable stops and safety
clutch body by turning
the
clutch
body nut.
Care
should be
turnbuckles
taken to
see that
the tangs
of
the
drive shaft
engage
properly
with
the
sprocket as
the
nut
is
being
tightened
by hand. Also
NOTE
note
that the
position
indicator
on
the
face
of
the
unit is right
side up as
the
shaft engages
with
the
sprocket.
Hand
tight-
After rigging
the
aileron and alleron tab control
ening
the two
halves
should be
sufficient.
C1
3-9
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Table of Contents
Troubleshooting
