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CAUTION: DO NOT PULL ON THE KNOBS. DO NOT PRY THE FACE-PLATE. IF
YOU PULL ON THE KNOBS, OR PRY THE FACE- PLATE, YOU CAN
DAMAGE THE UNIT.
CAUTION: DO NOT TOUCH THE CONNECTOR CARD AT THE REAR OF THE
UNIT. THE ELECTROSTATIC CHARGE ON YOUR BODY CAN
DAMAGE THE UNIT.
(4) Pull gently on the sides of the unit to remove it
from the mounting rack.
(5) Install the protective covers on the rear
connectors of the flight control computer.
AIRCRAFT
Auto Flight DA 40 Series
AMM
Page 202
20 Sep 2007 22-10-00 Doc # 6.02.01
Rev. 5
B. Install the Flight Control Computer
Detail Steps/Work Items Key Items/References
(1) Remove the protective covers from the
connectors on the replacement unit.
(2) Slide the unit into the rack. Engage the locking
screw so that the latch front-lobe touches the
rack.
(3) Turn the locking screw clockwise so that the rear
lobe engages the mounting rack.
CAUTION: DO NOT OVER-TIGHTEN THE LOCKING SCREW. YOU CAN
DAMAGE THE LOCKING MECHANISM.
(4) Continue to turn the screw until the unit is fully
installed in the mounting rack.
(5) Close the AUTO PILOT circuit-breaker.
(6) Do a test of the autopilot system:
S Set master switch to ON.
S Set avionics master switch to ON.
S Observe self-test of the flight control
computer.
S Set avionics master switch to OFF.
S Set master switch to OFF.
If no error message appears, then the
system is operative.
(7) Check the servo positions and adjust all servos to
% their null offset position.
%
% (8) Perform Pitot and Static System Leak Tests. Refer to Section 34-10.
AIRCRAFT
DA 40 Series
AMM
Auto Flight
Doc # 6.02.01
Rev. 5 22-10-00 Page 203
20 Sep 2007
3. Remove/Install the Roll Servo
A. Remove the Roll Servo
Detail Steps/Work Items Key Items/References
(1) Remove the passengers' seat. Refer to Section 25-10.
(2) Dis-connect the connector from the servo.
(3) Remove the 2 screws which attach the servo to
the mounting plate and the clutch.
Hold the servo.
(4) Remove the servo from the airplane.
B. Install the Roll Servo
Detail Steps/Work Items Key Items/References
(1) Put the servo in place on the mounting plate.
(2) Install the 2 screws which attach the servo to the
mounting plate and clutch.
(3) Connect the connector to the servo.
(4) Do a test of the autopilot system:
S Set master switch to ON.
S Set avionics master switch to ON.
S Observe self-test of the flight control
computer.
S Set avionics master switch to OFF.
S Set master switch to OFF.
If no error message appears, then the
system is operative.
(5) Install the passengers' seat. Refer to Section 25-10.
AIRCRAFT
Auto Flight DA 40 Series
AMM
Page 204
20 Sep 2007 22-10-00 Doc # 6.02.01
Rev. 5
4. Remove/Install the Roll Servo Clutch
A. Equipment
Item Quantity Part Number
Cable tension gauge. 1 Commercial.
B. Remove the Roll Servo Clutch
Detail Steps/Work Items Key Items/References
(1) Remove the roll servo. Refer to Paragraph 3.
(2) Release the clamps which connect the bridle
cable to the aileron push-rod.
(3) Remove the bridle cable.
(4) Remove the 2 screws which attach the clutch to
the mounting plate.
Hold the clutch.
(5) Remove the clutch from the airplane.
AIRCRAFT
DA 40 Series
AMM
Auto Flight
Doc # 6.02.01
Rev. 5 22-10-00 Page 205
20 Sep 2007
C. Install the Roll Servo Clutch
Detail Steps/Work Items Key Items/References
(1) Remove the pilot's seat or the co-pilot's seat. Refer to Section 25-10. To give access
for the rigging pin.
(2) Put the clutch in place on the mounting plate.
(3) Install the 2 screws which attach the clutch to the
mounting plate.
(4) Center the aileron control system with a rigging
pin at one control stick.
Refer to Section 27-10.
(5) Center the capstan. The recess for the ball in the middle of
the bridle cable must be in the
uppermost position.
(6) Install bridle cable to capstan. The ball in the middle of the bridle cable
must engage in the recess on the
capstan. Wrap bridle cable around
capstan one turn to each side.
(7) Connect the ends of the bridle cable to the
aileron push-rod with the clamps.
Tighten clamps lightly to allow
adjustment (see next step).
(8) Using a small plastic hammer, move the clamps
along the push-rod to adjust the bridle cable
tension.
Adjust tension to 89 ± 22 N (20 ± 5 lb).
Measure cable tension with cable
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钻石40系列AMM 1(87)
