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aileron.
(5) Remove the control stick lock.
WARNING: WHEN YOU DO WORK ON THE AIRPLANE CONTROLS. YOU
MUST MAKE SURE THE AREAS AROUND THE
CONTROLS/CONTROL SURFACES ARE CLEAR OF
PERSONS/EQUIPMENT. IF YOU DO NOT DO THIS, INJURY TO
PERSONNEL AND DAMAGE TO CONTROL SURFACES CAN
OCCUR.
(6) Move the control stick fully to the left and
hold it against the stop.
(7) Measure the angle between the trailing edge
of the left aileron and the trailing edge of the
flap.
− Record the measurement.
The left aileron must be between 15° - 17°
up.
(8) Measure the angle between the trailing edge
of the right aileron and the trailing edge of
the flap.
− Record the measurement.
The right aileron must be between
12° - 14° down.
(9) Move the control stick fully to the right and
hold it against the stop.
(10) Measure the angle between the trailing edge
of the right aileron and the trailing edge of
the flap.
− Record the measurement.
The right aileron must be between
15° - 17° up.
(11) Measure the angle between the trailing edge
of the left aileron and the trailing edge of the
flap.
− Record the measurement.
The left aileron must be between
12° - 14° down.
DA20-C1 AMM
Flight Controls
Doc # DA201-C1
Rev. 0 27-10-00 Page 203
19 Dec 1997
3. Aileron Control System Adjustments.
If you cannot get the correct range of movement of the aileron control system, use this procedure to
adjust the system. Gust travel refers to the amount of travel remaining at the control surface with
the control stick held against the cockpit stop.
WARNING: IF YOU DO AN ADJUSTMENT OF A CONTROL ROD, YOU MUST
MAKE SURE THAT THE CONTROL ROD IS STILL IN SAFETY. IF
YOU DO NOT DO THIS, THE CONTROL ROD CAN DISCONNECT.
THIS CAN CAUSE DEATH OR INJURY TO PERSONS.
A. Equipment
Items Quantity Part Number
Control Stick Lock. 1 20-1000-01-00
Quick grips 2 Commercial
B. Aileron Adjustment Procedure
Detail Steps/Work Items Key Items
(1) Remove these items for access:
− Pilots seats.
− Center fuselage access panels.
− Aileron bellcrank access panels under
each wing.
Refer to Chapters:
− 25-10
− 52-40
− 52-40
(2) Make sure the control stick is centered.
− Install the control stick lock.
WARNING: WHEN YOU DO WORK ON THE AIRPLANE CONTROLS. YOU
MUST MAKE SURE THE AREA AROUND THE
CONTROLS/CONTROL SURFACES ARE CLEAR OF
PERSONNEL/EQUIPMENT. IF YOU DO NOT DO THIS, INJURY TO
PERSONS AND DAMAGE TO CONTROL SURFACES CAN OCCUR.
Flight Controls
DA20-C1 AMM
Page 204
19 Dec 1997 27-10-00 Doc # DA201-C1
Rev. 0
Detail Steps/Work Items Key Items
(3) Do a check of the two aileron control rods
that connect the control sticks to the
bellcrank at the forward control bulkhead.
The control sticks must be at 90° to the
aileron control rods (when you look from
the front/rear of the airplane).
WARNING: IF YOU DO AN ADJUSTMENT OF A CONTROL ROD, YOU MUST
MAKE SURE THAT THE CONTROL ROD IS STILL IN SAFETY. IF
YOU DO NOT DO THIS, THE CONTROL ROD CAN DISCONNECT.
THIS CAN CAUSE DEATH OR INJURY TO PERSONS.
(4) If necessary, adjust the length of the aileron
control rods.
− Release the bolts that hold the aileron
control rods to the control sticks.
− Adjust the length of the control rods.
− Install the bolts that hold the aileron
control rods to the control sticks.
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).
(5) 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.
(6) 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).
(7) Do a check of the aileron control rods from
　
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