S 684-013
(11)
Drain the engine fuel line.
(a) Put a 5-gallon container below the drain port for the fuel filter.
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(b)
Open the drain port for the fuel filter.
(c)
Let the fuel drain into the container.
(d)
Close the drain port when the fuel flow stops.
S 014-014
(12) Remove the No. 1 access panel (7202) for the No. 1 tank (AMM 28-11-11/401) to get access to the APU fuel line.
S 864-020
WARNING: CAREFULLY DO ALL OF THE SAFETY PROCEDURES TO PREPARE TO GO INTO
_______ THE FUEL TANK. AN EXPLOSION, BAD INJURIES TO PERSONS, AND DAMAGE TO EQUIPMENT CAN OCCUR.
(13)
Do this task: "Fuel Tank Purging and Entry)" for the No. 1 tank (AMM 28-10-00/201).
S 034-015
(14)
Disconnect one end of the bonding jumpers for the APU fuel line (Fig. 401).
S 034-016
(15)
Remove the bolts that attach the support clamps for the APU fuel line.
S 034-017
(16)
Remove the bolts that attach the bypass for the APU fuel line to the bracket.
S 034-021
WARNING: DO NOT CONNECT ELECTRICAL POWER TO THE AIRPLANE WHEN THE FUEL
_______ LINES ARE DISCONNECTED. CAREFULLY DO ALL OF THE SAFETY PRECAUTIONS FOR PROCEDURES WITH OPEN TANKS. AN EXPLOSION, BAD INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
(17) Disconnect the coupling nuts that attach the engine fuel line and the T-fitting to the APU fuel line.
(a) Remove this part of the APU fuel line.
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S 034-022
(18) Disconnect the coupling nut at the APU fuel valve.
(a) Remove this part of the fuel line, the T-fitting, and the bypass fitting.
S 024-023
(19) Remove the APU fuel line.
(a)
Put a container below these connections: 1) The connection between the APU fuel line and the APU fuel valve.
2) The connection between the APU fuel fitting and the 70.85 rib web.
(b)
Disconnect the coupling nut that connects the fuel line to the APU fuel valve.
(c)
Disconnect the APU fuel fitting that connects the APU fuel line to the 70.85 rib web.
(d)
Remove the APU fuel line from the No. 1 tank.
TASK 28-22-81-404-033
3. APU Fuel Feed Line Installation (the Part in the No. 1 Tank)_______________________________
A. Equipment
(1) Source - Air pressure, 40 psi maximum
B. References
(1)
SWPM 20-20-00, Standard Wiring Practices Manual
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 28-11-11/401, Wing Fuel Tank Access Panels
C. Access
(1)
Location Zone
305 Left Fuel Tank
(2)
Access Panels
7201 Boost Pump Access Door
7202 Fuel Tank Access Door
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D. Procedure
S 564-024
(1) Get the three parts of the APU fuel line to be installed in the No. 1 tank.
(a) Move these parts to the correct position in these No. 1 tank openings: 1) The opening for the No. 1 access panel (7202) for the No. 1
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