S 014-013
(1) Remove the surge tank access door, 543BB or 643BB
(AMM 28-11-03/401).
NOTE: The housing of the vent flame arrestor is not removed.
____
S 034-014
(2) Remove the bolts and the washers (12 locations) that hold the vent flame arrestor to the housing of the vent flame arrestor.
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S 024-007
(3)
Remove the tube and the vent flame arrestor.
S 034-008
(4)
Remove the gaskoseal from the vent flame arrestor.
TASK 28-13-05-404-015
5. Install the Vent Flame Arrestor (Fig. 401)_______________________________
A. Consumable Materials
(1)
A00248 Sealant - BMS 5-26 Type II Class A-1/2
(2)
A00250 Sealant - BMS 5-26 Type II Class B-1/2
B.
References
(1)
AMM 28-11-03/401, Surge Tank Access Door
(2)
AMM 51-31-01/201, Seals and Sealing
C.
Procedure
S 434-016
(1)
Put a new gaskoseal on the vent flame arrestor.
S 424-009
(2)
Install the vent flame arrestor in the housing of the vent flame arrestor.
S 434-017
(3)
Align the tube with the vent flame arrestor.
S 424-010
(4)
Install the bolts and washers (12 locations) to attach the tube and the vent flame arrestor to the housing of the vent flame arrestor.
S 394-018
(5)
Apply the sealant (BMS 5-26 Type II Class A-1/2 and BMS 5-26 Type II Class B-1/2) (AMM 51-31-01/201) around the bolts.
S 414-019
(6)
Install the surge tank access door, 543BB or 643BB
(AMM 28-11-03/401).
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757 MAINTENANCE MANUAL
SURGE TANK DRAIN CHECK VALVE - REMOVAL/INSTALLATION
___________________________________________________
1. General_______
A. A drain check valve is installed on the inboard side of each end rib in the surge tank. The drain check valve prevents the flow of fuel into the surge tank from the main fuel tank.
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