(d)  
Remove the flexible half coupling.

 S 024-027
 (12)
 To remove the flexible full coupling (Fig. 404), do these steps:

 (a)  
Remove the coupling nut from the flexible full coupling.

 (b)  
Disconnect the retainer halves.

 (c)  
Remove the two retaining rings.

 (d)  
Remove the two O-rings.

 (e)  
Remove the two ferrules.

 (f)  
Remove the flexible full coupling.

 S 024-019
 (13)
 Remove the flange couplings from the fuel line as it is necessary.

 (a)  
Remove the screws, washers and nuts from the flange coupling.

 (b)  
Disconnect the flange couplings from the flange.

 (c)  
Remove the O-ring.

 S 024-002
 (14)
 Remove the rigid tube couplings from the fuel line as it is necessary (Fig. 402).

 (a)  
Loosen the coupling nut on the coupling body.

 (b)  
Remove the O-ring from the coupling body.

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 28-22-07
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MAINTENANCE MANUAL

 (c)  
Remove the retaining ring from between the coupling nut and the ferrule.

 (d)  
Remove the coupling nut from the ferrule.

 (e)  
Remove the ferrule from the fuel line.

 S 024-003
 (15)
 Remove the support clamps, tees, adapters, and elbows as it is necessary.

 S 024-004

 (16)
 Remove the piece of the fuel line.

 TASK 28-22-07-404-005
 3. Install the Fuel Line and Fittings
__________________________________
 A. Equipment
 (1)  
Coupling Gage - ST8709 H (optional)

 B.
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

 C.
References

 (1)  
AMM 20-10-21/601, Electrical Bonding

 (2)  
AMM 28-11-00/201, Fuel Tanks

 (3)  
AMM 28-11-01/401, Main Tank Access Door

 (4)  
AMM 28-11-02/401, Center Tank Access Door

 (5)  
AMM 28-11-07/401, Dry Bay Access Door

 (6)  
AMM 28-22-07/601, Engine Fuel Feed Line and Couplings
　
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