(3)
Get access to the APU sump drain valve on the keel beam.
(4)
Remove the screws, washers and nuts from the APU sump drain valve.
S 014-007
S 034-041
NOTE: Do not discard the washers and nuts.
____
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A
757
MAINTENANCE MANUAL
APU SUMP DRAIN VALVE
SEE A
ADAPTER SCREW, WASHER, NUT
0-RING (2 LOCATIONS)
APU SUMP DRAIN VALVE
AIRPLANE STRUCTURE
SPACER (2)
APU SUMP DRAIN VALVE
A
APU Sump Drain Valve Installation Figure 401
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757 MAINTENANCE MANUAL
S 024-032
(5)
Disconnect the APU sump drain valve from the adapter.
S 034-008
(6)
Remove and discard the O-ring.
S 024-009
(7)
Remove the APU sump drain valve.
TASK 28-25-09-404-033
3. Install the APU Sump Drain Valve (Fig. 401)________________________________
A. Consumable Materials
(1)
A00247 Sealant (BMS 5-95)
B.
References
(1)
AMM 32-00-15/201, Landing Gear Door Locks
(2)
AMM 51-31-01/201, Seals and Sealing
C.
Access
(1)
Location Zone
149 Aft Section of Keel Beam
D.
Install the APU Sump Drain Valve
S 434-017
(1)
Install a new O-ring on the APU sump drain valve.
S 424-018
(2)
Connect the APU sump drain valve to the adapter.
S 214-019
(3)
Make sure the screw holes of the APU sump drain valve align with the holes in the airplane structure.
S 434-020
(4)
Put spacers between the APU sump drain valve and the keel beam.
S 394-021
(5)
Apply sealant in the space between the APU sump drain valve and the keel beam (AMM 51-31-01/201).
S 424-022
(6)
Install the screws, washers, and nuts to attach the APU sump drain valve to the keel beam.
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本文链接地址：757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 4(55)
