(e)
If a fuel tube has a leak, replace the fuel tube (AMM 28-22-07/401).
(f)
Do the steps in this procedure again to pressurize the applicable fuel line and do a check for leaks.
S 796-058
(6) When the fuel line is satisfactory (no leaks), do these steps:
ú (a) Put the applicable fuel override pump switch-light to the off position.
(b)
Put the FUEL CONTROL switch to the CUTOFF position.
(c)
Push the CROSSFEED VALVE switch-light(s), on the overhead panel, P5, to the CLOSED position.
S 716-062
(7) Do this task: Examine/Test the Strut Drains (AMM 54-55-00/201).
NOTE: This will make sure any fuel leak will not collect in the
____
strut but will drain away.
F. Put the Airplane Back to Its Usual Condition
S 216-059
CAUTION: MAKE SURE ALL TOOLS, AND UNWANTED MATERIALS, ARE REMOVED FROM
_______ THE STRUT CAVITIES BEFORE YOU INSTALL THE STRUT ACCESS DOORS. THE STRUT DRAINS CAN BE BLOCKED WITH UNWANTED MATERIALS WHICH CAN CAUSE DAMAGE TO THE STRUT AREA.
(1)
Make sure you remove all tools and unwamted material from the strut.
S 416-060
(2)
Close or install the strut access doors or panels
(AMM 54-53-01/401).
S 446-061
(3)
Do the activation procedure for the thrust reverser (AMM 78-31-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-22-07
ALL ú ú 01.1 Page 613 ú Sep 28/02
A
757 MAINTENANCE MANUAL
TASK 28-22-07-286-031
4. Fuel Lines and Couplings Dent Criteria Check____________________________________________
A. References
(1)
AMM 28-22-07/401, Fuel Lines and Fittings
B.
Procedure
S 216-032
(1)
Visually examine all the fuel tubing to make sure it is tightly and correctly attached.
S 436-033
(2)
Adjust the installation of the tubes which are not correctly attached (AMM 28-22-07/401).
S 216-034
(3)
Visually examine all the fuel tubing for these types of damage and make sure the damage is within permitted limits:
(a)
Make an inspection for cracks.
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本文鏈接地址：757 AMM 飛機維護手冊 燃油 CHAPTER 28 - FUEL 3(83)
