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Figure 3: Wing Main Bolt Installation
AIRCRAFT
DA 40 Series
AMM
Wings
Doc # 6.02.01
Rev. 5 57-10-00 Page 205
20 Sep 2007
Detail Steps/Work Items Key Items/References
WARNING: USE 3 PERSONS TO LIFT THE WING. IF YOU DO NOT, YOU CAN
CAUSE INJURY.
CAUTION: DO NOT LIFT ON THE FLAP. YOU CAN DAMAGE THE FLAP.
Note: For the rest of this procedure, one person must lift the wing tip. One person
must lift the leading edge at the root rib. One person must lift the trailing edge
at the root rib.
(12) Remove the main bolts:
S Take the weight off the wing.
S For each bolt:
S Install the main bolt removal tool.
S Extract the bolt.
If necessary, move the wing tip a small
amount up and down to help release
the main bolts.
(13) Lift the wing away from the center section. Make sure that the electrical cables do
not catch on the center section conduit.
(14) Put the wing on trestles or a wing stand.
Note: If you use trestles, put one trestle under the spar stubs. Put the second trestle
under the wing end rib.
AIRCRAFT
Wings DA 40 Series
AMM
Page 206
20 Sep 2007 57-10-00 Doc # 6.02.01
Rev. 5
C. Pre-Installation Check
Do this check before you install the wings.
Detail Steps/Work Items Key Items/References
(1) Examine the inner faces of the front and rear
main bulkheads. Look specially for:
S Damage to the main bolt bushes.
S Damage to the structure round the bushes.
S Looseness between the bushes and the main
bulkhead.
S Damage to the top and bottom shells of the
center section (where the spar stubs can
touch the shells during wing removal).
S Delamination between the main bulkheads
and the shells.
Refer to the manufacturer if you find
damage in any of these areas.
Clean the bushes.
(2) Examine the front, middle and rear end ribs in the
center section. Look specially for:
S Damage to the A and B-bolt bushes.
S Looseness between the A and B-bolt bushes
and the end ribs.
S Delamination between the end ribs, the main
bulkheads and the shells.
Refer to the manufacturer if you find
damage in any of these areas.
Clean the bushes.
(3) Examine the wing spar stubs. Look specially for:
S Damage to the main bolt bushes.
S Damage to the spar stub around the bushes.
S Looseness between the bushes and the spar
stub.
S Delamination between the spars and the
shells.
Refer to the manufacturer if you find
damage in any of these areas.
Clean the bushes.
AIRCRAFT
DA 40 Series
AMM
Wings
Detail Steps/Work Items Key Items/References
Doc # 6.02.01
Rev. 5 57-10-00 Page 207
20 Sep 2007
(4) Examine the wing root ribs. Look specially for:
S Damage to the A and B-bolts and bushes.
S Damage to the front and rear root ribs around
the bushes.
S Looseness between the bushes and the root
ribs.
S Delamination between the root ribs, the spars
and the shells.
Refer to the manufacturer if you find
damage in any of these areas.
Clean the bolts and bushes.
(5) Examine the main bolt assemblies. Look
specially for:
S Corrosion of the end-pieces or tube.
S Corrosion of the main bolts.
S Scratches on the bearing surfaces.
S Deformation.
S Damage to the threads for the removal tool.
Clean the main bolt assembly.
Remove corrosion. Repair the surface
finish. Refer to Section 51-20.
No corrosion permitted.
Maximum depth 0.1 mm (0.004 in).
No deformation permitted.
Replace the bolt if you cannot attach
the removal tool correctly.
(6) Measure the radial play of each main bolt in the
related main bulkhead bushes.
Maximum radial play 0.2 mm (0.008 in).
(7) Measure the radial play of each main bolt in the
related spar stub bush.
Maximum radial play 0.2 mm (0.008 in).
(8) Lubricate these items:
S Main bolts.
S Front and rear main bulkhead bushes.
S Spar bushes.
S A and B-bolt bushes in the end ribs.
S A and B-bolts in the wing root ribs.
Refer to Section 12-20.
AIRCRAFT
Wings DA 40 Series
AMM
Detail Steps/Work Items Key Items/References
Page 208
20 Sep 2007 57-10-00 Doc # 6.02.01
Rev. 5
(9) Examine the flap torsion tube and transfer lever
in the center section. Look specially for damage
to the transfer pins.
(10) Examine the flap. Look specially for damage to
the inner end rib.
AIRCRAFT
DA 40 Series
AMM
Wings
Doc # 6.02.01
Rev. 5 57-10-00 Page 209
20 Sep 2007
D. Install the Wings
　
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本文鏈接地址：鉆石40系列AMM 2(146)