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(8)  Install the cable to the yoke: S Install the bolt, bush and spacer that attach the cable to the yoke. S Install a washer and self-locking nut.  Refer to Figure 4. Torque to 6.4 Nm (4.7 ft.lb). Use a new self-locking nut. 
(9)  Adjust both left and right rudder cable turnbuckles to give the correct tension.  Refer to Paragraph 3. 
(10)  Do a test for the correct range of rudder movement.  Refer to Paragraph 2. 
(11)  Do an inspection of all the controls that you have adjusted. S If necessary for your airworthiness authority, do a second inspection of the controls. 
(12)  Install these items: S The pilots’ seats. S The passenger seat.  Refer to Section 25-10. 

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5. Rudder Control Cable and Yoke Access
Rudder Cable/Yoke  Remove/Install Access  References 
Cockpit cables between the firewall and the yoke.  Pilots’ seats.  Refer to Section 25-10. 
Rear fuselage cables between the yoke and the rudder.  Pilots’ seats. Passenger seat. Rudder.  Refer to Section 25-10. Refer to Section 55-40. 
Yoke.  Pilots’ seats.  Refer to Section 25-10. 

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Section 27-30
Flight Controls - Elevator

1. General
The DA 40 has the usual elevator control system. An elevator attached to the horizontal stabilizer gives longitudinal control. The two control sticks operate the elevator.
Doc # 6.02.01 Page 1
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AIRCRAFT
Front Main Bulkhead
Left Stick
Idler Lever
Rigging Pin Hole
Push Rod to Idler Lever Rigging Pin Hole
Elevator Lever
Torque Tube Assy
Control Stick Mounting Block
Figure 1: Elevator Control Installation in the Cockpit
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2. Description
Figure 1 shows the elevator controls in the cockpit. Figure 2 shows the elevator controls in the rear fuselage.
Each pilot has a control stick that attaches to a torque tube assembly. The torque tube assembly has a lever which attaches to a short push-rod. The short push-rod connects to an idler lever on the front main bulkhead. The idler lever connects to a long push-rod.
The long push-rod has 3 guide bearings. The baggage frame, ring frame 1 and ring frame 2 have push-rod guides. Each guide has three rollers.
The long push-rod attaches to a bellcrank at the bottom of the vertical stabilizer. The bellcrank attaches to a vertical push-rod in the vertical stabilizer. The vertical push-rod connects to the elevator horn.
The elevator stop for the downward movement consists of a GFRP block which is bonded to the inside of the upper skin of the horizontal stabilizer. When the elevator is deflected fully downward, the forward extension of the elevator horn is deflected fully upward and contacts the stop.
The elevator stop for the upward movement consists of a bolt/bush assembly which is installed in the trim actuator mounting bracket in transverse direction (see Section 27-38, Figure 2). When the elevator is deflected fully upward, the forward extension of the elevator horn is deflected fully downward and contacts the stop.
You cannot adjust the elevator stops.
3. Operation
If you move the control stick forward:
) The torque tube assembly turns.
) The lever below the torque tube assembly pushes the short push-rod aft.
) The short push-rod pushes the long push-rod aft.
) The long push-rod pushes the bellcrank rearward.
) The bellcrank pushes the vertical push-rod up.
) The vertical push-rod moves the elevator horn.
　
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