(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.
TASK 28-25-05-404-089
3. Install the Fittings on the Fuel Line_____________________________________
A. General
(1)
This procedure gives examples of the installation procedure for fittings on the fuel line.
B.
Consumable Materials
(1)
A00702 Sealant - BMS 5-26 Type II Class B
C.
References
(1)
AMM 20-10-21/601, Electrical Bonding
(2)
AMM 51-31-01/201, Seals and Sealant
D.
Access
(1)
Location Zones 133 Wing Center Section (Left) 134 Wing Center Section (Right) 241 Passenger Cabin - Section 44 (Left) 242 Passenger Cabin - Section 44 (Right) 251 Passenger Cabin - Section 46 (Left) 252 Passenger Cabin - Section 46 (Right) 311 Area Aft of Pressure Bulkhead to BS 1787.45 (Left) 312 Area Aft of Pressure Bulkhead to BS 1787.45 (Right) 313 Stabilizer Center Section Compartment (Left) 314 Stabilizer Center Section Compartment (Right) 315 APU Compartment (Left) 316 APU Compartment (Right) 531 Center Wing Tank (Left) 541 Main Tank - Rib No. 5 to No. 17 (Left)
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A
757 MAINTENANCE MANUAL
E. Install the Fittings on the Fuel Line
S 424-007
(1)
To install the single bonding jumper clamp (View A, Fig. 402), do the steps that follow:
(a)
Put the single bonding jumper clamp on the fuel line and slide along the fuel line until the clamp is close enough to the bonding jumper to install the bonding jumper.
(b)
Put the washer, then the bonding jumper, then the washer on the screw.
(c)
Put the screw through the clamp.
(d)
Install the washer, and the nut on the screw.
(e)
Apply a fillet seal with the sealant (BMS 5-26 Type II) on the single bonding jumper clamp (AMM 51-31-01/201).
(f)
Make sure the bonding resistance between the jumper and the airplane structure is not more than 0.01 ohms (AMM 20-10-21/601).
S 424-008
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