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(5) Release the bonding strip from the inboard end of the tank: S Remove the nut and washer from the bolt. S Remove the bonding strip from the bolt and move it clear of the tank. S Remove the bolt.
(6) Disconnect the two vent hoses from the adapters on the access panel: S Remove the access panel from the outer lower surface of the wing. S Remove the clamps that hold the vent hoses to the adapters on the access panel. S Disconnect the vent hoses from the adapters on the access panel. Near the outboard end of the filler assembly. Refer to Section 52-40.
(7) Disconnect the bonding connection at the outboard end of the fuel filler assembly. Through the access panel in the wing bottom skin.
(8) Release the fuel filler assembly: S Remove the fuel filler cap and disconnect the bonding cable. S Remove the 8 screws which attach the filler flange. S Release the filler flange and the O-ring seal. Discard the O-ring seal.
(9) Gently pull the tank and fuel filler assembly out of the wing through the wing inboard rib. Move the assembly clear of the wing and support it on a clean work bench. Make sure that the tank does not catch on the wing ribs. Make sure that you do not damage the tanks.
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(1) Remove the fuel tank assembly from the wing. Refer to Paragraph 2.A.
(2) Remove the connecting link that attaches the tank to the fuel filler assembly: S Remove the 2 nuts and washers from the bolts. S Remove the link plate. S Remove the 2 bolts. Refer to Figures 1 and 2.
(3) Remove the clips which attach the vent hoses to the tank.
(4) Remove the worm drive clamps that attach the flexible coupling to the tank.
(5) Pull the fuel filler assembly away from the tank until the vent hoses and flexible coupling disconnect from the tank.
(6) If necessary, remove the clips which attach the vent hoses to the fuel filler assembly and pull the hoses from the connectors.
(7) If necessary, remove the worm drive clamp which attaches the flexible coupling to the fuel filler assembly and pull the coupling from the fuel filler assembly connector.
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Detail Steps/Work Items Key Items/References
(1) Examine the fuel tank. Look specially for: S Damage to the skins and welded seams of the tank. S Corrosion. S Damage/wear to the rubber mounting bands at the outside of the tanks. Use a strong light and a magnifying glass.
(2) Examine the vent hoses which connect the tank and fuel filler assembly. Look specially for: S Cuts or damage, specially at the ends where the attaching clips locate. S Distortion or cracking.
(3) Examine the flexible coupling. Look specially for: S Cuts or damage, specially at the ends where the attaching clips locate. S Distortion or cracking.
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