B. Install the Elevator
DA 40 Series
Detail Steps/Work Items Key Items
(1) Put the elevator in position aft of the horizontal stabilizer: S Align the elevator with the horn. S Move the elevator forward over the horn. S Align the shanks of the hinge assemblies at mid-span with the bushes in the trailing edge web of the horizontal stabilizer. S Push the elevator forward to engage the shanks in the bushes. S Align the end bearings with the bushes in the trailing edge spar of the horizontal stabilizer. Refer to Figure 2.
(2) Install the pivot pins in the end bearings and lock the pivot pins in position with a roll pin.
(3) Install the bolts, washers and nuts which attach the elevator to the elevator horn. Torque: 6.4 Nm (4.7 ft.lb.). Use new lock nuts.
(4) Install the 2 ball-end fittings for the trim-tab operating links. Under the elevator.
(5) Install the horizontal stabilizer tips.
(6) Install the horizontal stabilizer fairing: S Install 4 screws.
(7) Do a test for correct range of movement of the elevator control. Refer to Section 27-30.
(8) Do a test for correct range of movement of the elevator trim control. Refer to Section 27-31.
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AMM
3. Remove/Install the Elevator Trim Tab
A. Remove the Elevator Trim Tab
Detail Steps/Work Items Key Items
(1) Remove the bolt which attaches the cranked actuating levers to the trim tab. Refer to Figure 3.
CAUTION: DO NOT USE FORCE TO REMOVE THE LOCK WIRE FROM THE TRIM TAB HINGE. YOU CAN DAMAGE THE GFRP HINGE.
(2) Remove the lock wire at the outer hinge on each side of the trim tab.
(3) Move the hinge rods out of the hinges. Hold the trim tab.
(4) Remove the trim tab from the elevator.
B. Install the Elevator Trim Tab
Detail Steps/Work Items Key Items
(1) Put the trim tab in position on the elevator. Refer to Figure 3.
(2) Align the hinges.
(3) Install the hinge rods in each side.
CAUTION: DO NOT USE FORCE TO INSTALL THE LOCK WIRE IN THE TRIM TAB HINGE. YOU CAN DAMAGE THE GFRP HINGE.
(4) Lock the hinge rods in position with wire. Use new lock wire.
(5) Align the cranked actuating levers with the trim tab.
(6) Install the bolt which attaches the cranked actuating levers to the trim tab.
(7) Do a test for correct range of movement of the elevator trim control. Refer to Section 27-31.
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Stabilizers
AMM
Center
3
Item No. Layers Reference No. Type Remarks
2 2 8.4548.60 Glass twill 2/2 ±45o
3 2 8.4548.60 Glass twill 2/2 ±45o
4 2 8.4548.60 Glass twill 2/2 ±45o, 125 mm x 135 mm
5 3 8.4554.60 Glass plain ±45o, 90 mm x 220 mm
6 1 H 60 3 mm Rigid foam
8 1 8.4548.60 Glass twill 2/2 ±45o
Figure 4: Layers of Cloth in the Top and Bottom Elevator Shells 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：鉆石40飛機維護手冊 DA 40 SERIES AMM 4(59)
