Doc # 6.02.01 Page 201
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AIRCRAFT AMM
Elevator Horn
Large Washer
Bush
Spacer
Horizontal Stabilizer
Rear Spar
Elevator Push Rod Horizontal Stabilizer Front Spar
Front
Rear Mounting Plate
Mounting Plate
Vertical Stabilizer Front Web
Figure 2: Horizontal Stabilizer Installation
1
2
12
12
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Stabilizers
AMM
B. Install the Horizontal Stabilizer
DA 40 Series
Detail Steps/Work Items Key Items
(1) Examine the horizontal stabilizer attachments. Look specially for: S Corrosion or wear of the bolts. S Distortion of the mounting brackets S Cracks in the mounting brackets. S Damage to the mounting holes.
(2) Put the horizontal stabilizer in position on the vertical stabilizer. Hold the horizontal stabilizer.
(3) Connect the VOR antenna.
(4) Install the 8 bolts which attach the horizontal stabilizer to the front and rear mounting brackets. Use new self-locking nuts.
(5) Install the bolt which connects the elevator vertical push rod to the elevator horn. Use a new self-locking nut. Torque: 1.7 Nm (1.2 ft.lb)
(6) Move the trim-tab mechanism aft through the hole in the vertical stabilizer web, through the mounting bracket for the trim mechanism.
(7) Attach the trim-tab mechanism to its mounting bracket. S Install 2 bolts. Use a new self-locking nut.
(8) Connect the 2 ball-end fittings to the trim-tab operating links. Under the elevator.
(9) Do a test for correct, full and free movement of the elevator control. If necessary, adjust the elevator control. Refer to Section 27-30.
(10) Do a test for correct, full and free movement of the trim control. If necessary, adjust the trim control. Refer to Section 27-31.
(11) Install the horizontal stabilizer fairing. S Install 4 screws.
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AMM
Item No. Layers Reference No. Type Remarks
1 1 8.4548.60 Glass twill 2/2 0/90o
2 1 8.4551.60 Glass twill 2/2 0/90o
3, 4, 5 1 each 8.4525.60 Glass uni-directional 0/180o
6, 7 8 each 8.4525.60 uni-directional 0/180o, 50 mm x 500 mm stepped 20 mm
8 2 8.4551.60 Glass twill 2/2 0/90o
Figure 3: Layers of Cloth in the Horizontal Stabilizer Bottom Shell
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Stabilizers
AMM
3. Repair Data for the Horizontal Stabilizer Shells
Figures 3 and 4 show the layers of glass fiber cloth in the horizontal stabilizer shells. Use this data when you need to repair the horizontal stabilizer.
The Figures show the main layers of cloth. The cross-hatching on the Figure shows the orientation of the fibers. The orientation is also given in the related table. When you repair the horizontal stabilizer, you must use the same type of cloth with the same fiber orientation.
The numbers in circles beside each drawing give the order in which the layers are applied (‘Stages’). The first stage (0 for the horizontal stabilizer) is a layer of filler and is not shown. Stage 1 is the outer face of the shell.
Always do a burn test on a piece of composite from the damaged area before you do a repair. Refer to Section 51-20 for the burn test.
Doc # 6.02.01 Page 205
Rev. 4 09 Jan 2003
55-10-00
AMM
Item No. Layers Reference No. Type Remarks
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