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A 757 MAINTENANCE MANUAL
?S 424-004 ?CAUTION: MAKE SURE THE ADAPTER IS INSTALLED IN THE CORRECT DIRECTION. _______ IF THE ADAPTER IS NOT INSTALLED IN THE CORRECT DIRECTION, RAM AIR CAN CAUSE THE CAP TO RELEASE DURING FLIGHT. ?(3) ? Put and hold the adapter in the opening in the wing skin panel.
?(a) ? Make sure the arrow on the adapter points in the aft direction.
?(b) ? Make sure that the filler cap can be installed in the adapter with the handle locked aft and down (Fig. 401).
?S 434-019 ?(4) ? Install a new O-ring in the groove on the seal ring.
?(5) ? Put the seal ring on the adapter.
?(6) ? Install the retaining nut with the spanner wrench.
?(7) ? Torque the retaining nut to 30-40 foot-pounds.
?(8) ? Install the lockwire between the lug on the retaining nut and the tab on the airplane structure.
?(9) ? Attach the lanyard on the filler cap to the lug on the retaining nut.
?S 434-005 ?CAUTION: MAKE SURE THE FILLER CAP IS INSTALLED IN THE CORRECT DIRECTION. _______ IF THE FILLER CAP IS NOT INSTALLED IN THE CORRECT DIRECTION, RAM AIR CAN CAUSE THE CAP TO RELEASE DURING FLIGHT. ?(10) ?Install the filler cap on the overwing fill port.
?(11) ?Make sure the handle on the filler cap goes in the aft direction when it is locked.
?NOTE: This will make sure that ram air does not release the ____ ?handle during flight.
?S 094-013 ?(12) Remove the equipment used to purge and ventilate the fuel tank (AMM 28-11-00/201). ?EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
?28-11-04 ?ALL ?ú ú 01 Page 404 ú Jun 20/97
757 MAINTENANCE MANUAL ?S 414-012 ?(13) Install the main tank access door, 541JB or 641JB (AMM 28-11-01/401). ?EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
?28-11-04 ?ALL ?ú ú 01 Page 405 ú May 28/99
757 MAINTENANCE MANUAL ?FUEL SUMP DRAIN VALVES - REMOVAL/INSTALLATION _____________________________________________ www.aero.cn 航空翻譯 www.aviation.cn 本文鏈接地址：757 AMM 飛機(jī)維護(hù)手冊 燃油 CHAPTER 28 - FUEL 2
