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the bellcrank at the aft control bulkhead to
the bellcranks at the left/right wings.
The aileron control rods must be at 90° to
the top bellcrank arm at the aft control
bulkhead. And the aileron control rods
must be at 90° to the bellcrank arms at the
left/right wings.
DA20-C1 AMM
Flight Controls
Doc # DA201-C1
Rev. 0 27-10-00 Page 205
19 Dec 1997
Detail Steps/Work Items Key Items
(8) If necessary, adjust the length of the aileron
control rods.
− Release the bolts that hold the aileron
control rods to the bellcrank arm at the
aft control bulkhead.
− Adjust the length of the control rods.
− Install the bolts that hold the aileron
control rods to the bellcrank.
Use a piece of safety lock wire to make
sure the aileron control rods that you have
adjusted are still safe.
Torque to 6.5 Nm (4.6 ft.lb).
(9) Set the flaps to the CRUISE position.
(10) Do a check of the aileron control rods from
the bellcranks at the left/right wings to the
left/right aileron horns.
Adjust the aileron control rods to give 0°.
Measure between the aileron and the flap.
(11) Remove the control stick lock:
− Loosen the aileron stops in the cockpit.
− Make sure the stops are clear of the
control sticks when the controls hit the
stops in the wing.
− Move the control stick fully to the right
and hold it against the stop.
− Measure the gust travel of the left and
right ailerons.
− Move the control stick fully to the left and
hold it against the stop.
− Measure the gust travel of the left and
right ailerons.
The measurement must be between
15° - 17° with the aileron up and 12° - 14 °
with the aileron down.
The measurement must be between
15° - 17° with the aileron up and 12° - 14 °
with the aileron down.
(12) If necessary, adjust the length of the aileron
control rod at the aileron:
− Release the bolts that hold the aileron
control rods to the aileron horns.
− Adjust the length of the control rods.
− Install the bolts that hold the aileron
control rods to the aileron horns.
Use a piece of safety lock wire to make
sure the aileron control rods that you have
adjusted are still safe.
Torque to 6.5 Nm (4.6 ft.lb).
Flight Controls
DA20-C1 AMM
Page 206
19 Dec 1997 27-10-00 Doc # DA201-C1
Rev. 0
Detail Steps/Work Items Key Items
(13) Clamp the ailerons to the flaps with quick
grips.
(14) Measure the play in the aileron controls with
the control surfaces locked. Look specially
for too much play. Do the test at the top of
the control stick.
Maximum play allowed:
10 mm (0.375 in).
(15) Make sure the control stick is centered.
− Install the control stick lock.
Refer to Item 17.
(16) Do a check of the aileron control rod from
the bellcrank at the forward control bulkhead
to the bellcrank at the aft control bulkhead.
The aileron control rod must be at 90° to
the bellcrank arm at the forward control
bulkhead. And the aileron control rod must
be at 90° to the bellcrank lower arm at the
aft control bulkhead.
(17) If necessary, adjust the length of the aileron
control rod.
− Release the bolt that holds the aileron
control rod to the bellcrank at the forward
control bulkhead.
− Adjust the length of the control rod.
− Install the bolt that holds the aileron
control rod to the bellcrank.
Use a piece of safety lock wire to make
sure the aileron control rods that you have
adjusted are still safe.
Torque to 6.5 Nm (4.6 ft.lb).
(18) Remove the quick grips from between the
ailerons and the flaps. And remove the
control lock from the control stick.
(19) Do a check of the aileron range of
movement.
Refer to the Aileron Control System Test
For Correct Range Of Movement.
(20) Adjust the aileron stops on the torque tube
assembly with the controls against the gust
stops in the wing:
− Turn the stop bolts in to touch the control
stick.
− Then turn the stop bolts in by 1¼ turns
after they touch the control stick.
Note: By each turn in of the stop bolt you will reduce the amount of aileron travel
available.
DA20-C1 AMM
Flight Controls
Doc # DA201-C1
Rev. 0 27-10-00 Page 207
19 Dec 1997
Detail Steps/Work Items Key Items
(21) Make sure there is gust travel available.
− If necessary, adjust the stop bolts more.
　
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