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% B. Assemble the Tank %
Detail Steps/Work Items Key Items/References
(1) Install the flexible coupling: S Push the flexible coupling onto the connector of the fuel filler assembly. S Install the worm drive clamps onto the coupling and tighten the clamps. Refer to Figure 2. Make sure that the coupling is correctly positioned.
(2) Install the vent hoses onto the fuel filler assembly: S Push the hoses onto the connectors. S Install the attaching clips. Make sure that the hose is correctly positioned.
(3) Connect the tank to the fuel filler assembly: S Move the tank into position by the fuel filler assembly. Engage the tank vent connectors and the flexible coupling connector into their related hoses/couplings on the fuel filler assembly. S Push the tank towards the fuel filler assembly until the vent hoses and the flexible coupling are correctly positioned on their related connectors. S Install the worm drive clamps that attach the flexible coupling to the tank connector. S Tighten the worm drive clamps. S Install the clips which attach the vent connecting hoses to the inboard tank connectors. The surface of the filler flange must be parallel with the upper surface of the fuel tank.
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(4) Install the connecting link which attaches the tank to the fuel filler assembly: S Move the link into position on the connecting brackets. S Install the two bolts through the link and the connecting brackets. S Install the 2 washers and nuts onto the bolts. S Tighten the nuts and bolts.
% % % C. Install the Tank Assembly
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(1) Move the tank assembly into position in the wing. Make sure that the tank assembly is correctly located.
(2) Install the fuel filler assembly: S Install a new O-ring seal on the fuel filler flange. S Make sure that the mounting in the fuel filler assembly is correctly aligned with the hole in the top surface of the wing. S Install a new O-ring seal in position on the top surface of the wing. S Apply a thin layer of sealant to the contact area between the fuel filler flange and the ring for the filler cap. S Put the ring for the filler cap in position over the filler flange. S Install the 8 screws which attach the fuel filler and the ring for the filler cap to the wing. S When all of the screws are installed, then tighten the screws. If necessary, move the tank assembly to give correct alignment. Make sure that the O-ring is correctly positioned. Use DP 300 or equivalent. Finger tight only. Tighten opposite screws.
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% 中國航空網 m.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 3(41)
