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(9) Do item 8 for the right flap.
(10) Set the flaps to LDG:
S Set the ALT/BAT switch (Lycoming version) or
ELECTRIC MASTER key switch (TAE
version) to ON.
S Set the flaps to LDG.
S When the flaps stop moving, set the ALT/BAT
switch (Lycoming version) or ELECTRIC
MASTER key switch (TAE version) to OFF.
(11) Measure the angle of the left flap.
S Record the value in the Control Surfaces
Adjustment Report.
Use the inclinometer.
The value must be as shown in the
Control Surfaces Adjustment Report.
(12) Do item 11 for the right flap.
(13) Set the flaps to UP.
AIRCRAFT
DA 40 Series
AMM
Flight Controls
Doc # 6.02.01
Rev. 5 27-50-00 Page 205
20 Sep 2007
4. Adjust the Flap Control System
If you cannot get the correct range of movement of the flap control system, use this procedure to adjust
the system.
A. Equipment
Item Quantity Part Number
Rigging pins. 3 -
Inclinometer. 1 Commercial.
B. Adjust The Flap Control System Procedure
Detail Steps/Work Items Key Items/References
(1) Make a copy of the Control Surfaces Adjustment
Report.
Refer to Section 06-00.
Use it to record the measurements.
(2) Remove these items for access:
S The passenger seat.
S The flap bellcrank access panels.
Refer to Section 25-10.
Refer to Section 53-40.
(3) Disconnect the airplane main battery. Refer to Section 24-31 (Lycoming
version) or 24-34 (TAE version).
(4) Remove the bolt, spacer, washer and nut which
attach the actuator push-rod to the idler lever.
At the rear main bulkhead.
Hold the flaps.
(5) Put a rigging pin in the idler lever. Refer to Figure 3.
At the rear main bulkhead.
(6) Put rigging pins in the left and right flap bellcranks
in the wings. If necessary, adjust the push-rods
between the idler lever and the bellcranks.
Refer to Section 27-00.
(7) Remove the rigging pins from these items:
S The idler lever.
S The left and right flap bellcranks in the wings.
(8) Connect the airplane main battery. Refer to Section 24-31 (Lycoming
version) or 24-34 (TAE version).
(9) Hold the flaps hard against the up-stops.
AIRCRAFT
Flight Controls DA 40 Series
AMM
Detail Steps/Work Items Key Items/References
Page 206
20 Sep 2007 27-50-00 Doc # 6.02.01
Rev. 5
(10) Make sure that both flaps hit the up stops at the
same time. If necessary, adjust the rod between
the bellcrank in the wing and the flap.
Refer to Section 27-00.
WARNING: DO NOT TOUCH THE ACTUATOR WHEN YOU OPERATE IT. THE
MOVING PARTS CAN CAUSE INJURY.
(11) Set the actuator to the T/O position:
S Hold the actuator clear of the structure.
S Set the ALT/BAT switch (Lycoming version) or
ELECTRIC MASTER key switch (TAE
version) to ON.
S Set the FLAP switch to T/O.
S When the actuator stops moving, set the flap
switch to UP.
S When the actuator stops moving, set the
ALT/BAT switch (Lycoming version) or
ELECTRIC MASTER key switch (TAE
version) to OFF.
Use a piece of string through the eye
end.
(12) Measure the extension of the actuator push-rod. The distance between the center of the
eye-end of the actuator rod and the
center of the actuator swivel block
mounting must be 379.7 mm (14.87 in.).
(13) If the actuator push-rod extension is not correct,
adjust the cam rod:
S Loosen the nuts which attach the cam rod to
the plate at the eye end.
S Turn the nuts to move the cam rod.
S Tighten the nuts.
Refer to Figure 3.
One turn clockwise decreases the
extension by 1 mm (0.04 in.).
Torque: 6.4 Nm (4.7 ft.lb.).
(14) Do items 12 & 13 as necessary to get the correct
extension.
AIRCRAFT
DA 40 Series
AMM
Flight Controls
Detail Steps/Work Items Key Items/References
Doc # 6.02.01
Rev. 5 27-50-00 Page 207
20 Sep 2007
(15) Connect the flap actuator:
S Hold the flaps hard against the up-stops.
S If necessary, adjust the eye-end to align with
the idler lever:
S Loosen the jam-nut.
S Turn the eye-end to align with the idler lever.
S Tighten the jam-nut.
S Install the bolt, spacer, washer and nut which
attach the eye-end to the idler lever.
Torque: 16 Nm (11.8 ft.lb).
Torque: 6.4 Nm (4.7 ft.lb).
(16) Do a test for the correct pre-load in the flap UP
position:
S Put a loop of adhesive tape on the trailing
edge of the left flap opposite the up-stop.
S Pull down on the loop of tape with the spring
balance until the flap just moves from the upstop.
S Record the value in the Control Surfaces
　
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