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28-11-00
ALL ú ú 01 Page 843 ú May 28/99
A
757 MAINTENANCE MANUAL
C. Procedure
S 218-017
(1) Do not refuel the fuel tanks that were repaired and topcoat was applied to until the topcoat is cured.
NOTE: Under normal conditons it is necessary to wait 12 hours at a
____ minimum temperature of 65°F to cure the topcoat.
S 218-018
(2)
If the fuel tank is repaired and no topcoat is applied, you can refuel the fuel tank when the sealant is not tacky.
S 658-019
(3)
Refuel the fuel tanks (AMM 12-11-01/301).
S 218-020
(4)
Examine the external leak area regularly for 1 hour.
NOTE: You can monitor the leak area for a longer time to make sure
____
the leak repair is OK.
S 218-021
(5) Make sure there are no fuel leaks.
NOTE: Make sure the leakage area is maintained, at a minimum, to
____ the leakage limits shown in AMM 28-11-00/601 after the 1 hour inspection.
TASK 28-11-00-308-062
8. Approved Repairs of Nonsealant Leaks
____________________________________
A. General
(1) Nonsealant leaks are leaks around plumbing fittings that you can remove, primary tension bolts, tank access doors, and fuel system components that go through the fuel tank surfaces. These components are sealed by O-rings or molded rubber seals. Replace the O-rings or molded rubber seals if they are damaged or fuel leaks through them. You must apply alodine again to all surfaces of the tank structure that are damaged before you install new O-rings or molded rubber seals.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-11-00
ALL ú ú 01 Page 844 ú Mar 20/94
A
757
MAINTENANCE MANUAL
B. References
(1)
AMM 20-10-19/401, O-rings
C.
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