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DA 40 Series

Detail Steps/Work Items  Key Items/References 
(13)  Do an inspection of the flap controls which you have connected or adjusted. S If necessary for your airworthiness authority, do a second inspection of the controls. 
(14)  Do a test for correct operation and range of movement of the aileron system. If necessary, adjust the aileron system.  Refer to Section 27-10. 
(15)  Do an inspection of the aileron controls which you have connected or adjusted. S If necessary for your airworthiness authority, do a second inspection of the controls. 
(16)  Do a functional check of these lights: S Navigation lights. S Strobe lights (ACL's). S Taxi light. S Landing light.  Refer to Section 33-40. Left wing only. Left wing only. 
(17)  Do a functional check of the Pitot heating system.  Left wing only. Refer to Section 34-10. 
(18)  Do a Pitot and static system leak test.  Left wing only. Refer to Section 34-10. 
(19)  Refuel the airplane to the unusable fuel level.  Refer to Section 12-10. 
(20)  Do a fuel quantity indication calibration check.  Lycoming version only. Refer to Section 28-40. 
(21)  Install these items after access: S The left/right pilots’ seats. S Main landing gear access panel. S Center section rear access panel. S Inboard fuel tank access panel.  As necessary. Refer to Section 25-10. 
(22)  Do an air test.  Refer to the DA 40 Airplane Flight Manual. 

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3. Remove/Install the A or B-Bolts
A. Remove the A or B-Bolts
Detail Steps/Work Items  Key Items/References 
(1)  Remove the wing  Refer to Paragraph 2. 
(2)  Remove the A or B bolt: S Hold the flats on the flange of the bolt with a wrench. S Remove the self-locking nut from the A or B-bolt. S Remove the A or B-bolt.  Refer to Figure 4. Access for the A-bolt through the hole in the front root rib. Access for the B-bolt through the access panel in the bottom shell. 

Front Root Rib

Access Hole
Bonded Bush A-Bolt

Rear Root Rib

Bonded Bush

Access B-Bolt Panel
RIGHT SHOWN LEFT OPPOSITE

Figure 4: A and B-Bolt Installation
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B. Install the A or B-Bolts
DA 40 Series

Detail Steps/Work Items  Key Items/References 
(1)  Examine the A or B-bolt. Look specially for: S Corrosion. S Scratches on the bearing surfaces. S Deformation. S Damage to the threads.  No corrosion permitted. Maximum depth 0.1 mm (0.004 in). No deformation permitted. No damage permitted. 
(2)  Examine the A or B-bolt bush. Look specially for: S Looseness between the A or B-bolt bush and the root rib. S Damage to the root rib where the bush attaches. S Damage to the bush. 
(3)  Install the A or B-bolt: S Install the bolt in the bush. S Hold the flats on the flange of the bolt with a wrench. S Install the washer and self-locking nut.  Refer to Figure 4. Access for the A-bolt through the hole in the front root rib. Access for the B-bolt through the access panel in the bottom shell. Torque: 32 Nm (23.6 ft.lb). 
(4)  Install the wing.  Refer to Paragraph 2. 

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LEFT SHOWN RIGHT OPPOSITE
Figure 5: Control Surface Hinge Bracket Installation
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4. Remove/Install Control Surface Hinge Brackets
　
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