D.
Procedure
NOTE: You can apply faying surface sealant between the dry bay
____
access door and the dry bay panel (optional).
S 424-023
(1)
If you want to install a gasket between the dry bay access door and the dry bay panel, do these steps:
(a)
Apply a thin layer of BMS 5-26 sealant on the faying surface of the dry bay access door.
NOTE: Sealant must be applied to all faying surfaces to
____ get a continuous sealant layer between the rubber gasket and the dry bay access door.
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28-11-07
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757 MAINTENANCE MANUAL
(b) (c) (d) Install the gasket on the dry bay access door.Use the dry bay access door as a template and make (punch, not drill) holes through the gasket.Make sure all the fastener holes on the gasket are not damaged.
S 424-024
(2) Install the grounding bolts and washers (four locations) to connect the dry bay access door to the dry bay panel.
S 424-025
(3) Install the bolts and washers with wet sealant to attach the dry bay access door to the wing structure as follows: (a) Install the bolts and washers in a star pattern. 1) Tighten the 3/16 inch diameter bolts to a torque of 15-20 pound-inches. 2) Tighten the 1/4 inch diameter bolts to a torque of 30-50 pound-inches. (b) After the initial installation, tighten the bolts again to the subsequent values: 1) Tighten the 3/16 inch diameter bolts to a torque of 30-35 pound-inches. 2) Tighten the 1/4 inch diameter bolts to a torque of 65-100 pound-inches.
S 394-027
(4) Apply a fillet seal around the edge of the dry bay access door (AMM/51-31-01/201).
S 224-014
(5) Make sure the bonding resistance between the dry bay access door and the wing structure is not more than 0.10 ohms (AMM 20-10-21/401).
S 224-015
(6) Make sure the bonding resistance between the dry bay panel and the wing structure is not more than 0.01 ohms (AMM 20-10-21/401).
S 414-014
(7) Install the applicable main tank access door in the subsequent table for the applicable dry bay access door (AMM 28-11-01/401).
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