(4)
AMM 28-11-02/401, Reserve and Main Tank Access Door

 (5)
AMM 28-16-01/401, Reserve Tank Transfer Valve Actuator

 (6)
AMM 28-26-00/201, Defueling

 B.  
Access

 (1)  
Location Zones 553 Reserve Tank, Front Spar to Rear Spar, Left 581 Rear Spar to Trailing Edge, Left 653 Reserve Tank, Front Spar to Rear Spar, Right 681 Rear Spar to Trailing Edge, Right

 (2)  
Access Panels
 552GB Fuel Tank Access Panel
 652GB Fuel Tank Access Panel

 C.  
Prepare for the Removal

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 28-16-03
 ALL  ú ú 01 Page 401 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 044-063
 WARNING: MAKE SURE THAT PERSONS AND THE EQUIPMENT ARE CLEAR BEFORE YOU
_______ MOVE THE FLAP CONTROL LEVER. THE LEADING EDGE FLAPS, THE TRAILING EDGE FLAPS AND THE FLAP DRIVE MECHANISMS WILL MOVE. WITH HYDRAULIC POWER REMOVED, ELECTRICAL POWER WILL MOVE THE FLAPS AUTOMATICALLY WHEN YOU MOVE THE FLAP CONTROL LEVER.
 (1)  Extend the outboard trailing edge flaps (AMM 27-51-00/201).
 S 044-066
 WARNING: DO THE PROCEDURE IN AMM 27-51-00/201 TO DEACTIVATE AND INSTALL
_______ LOCKS ON THE TRAILING EDGE FLAPS. THE TRAILING EDGE FLAPS MOVE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2) Deactivate the outboard trailing edge flaps (AMM 27-51-00/201).
 S 654-047
 WARNING:_______OBEY THE PURGING AND ENTRY OF THE FUEL TANK PRECAUTIONS. IF YOU DO NOT OBEY THE PRECAUTIONS YOU CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (3)  
Defuel the applicable reserve tank and outboard main tank
 (AMM 28-26-00/201).

 S 014-069

 (4)  
Do this task: Purging and Entry of Main Fuel Tank
 (AMM 28-11-00/201).

 D.
Procedure

 S 014-067
 (1)  Remove the actuator for the reserve tank transfer valve
 (AMM 28-16-01/401).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 28-16-03
 ALL  ú ú 01 Page 402 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 014-068
 (2)  
Remove the sealant from around the periphery of the adapter plate and rear spar (if sealant was applied).

 S 014-005

 (3)
Remove the access door, 552GB or 652GB, to get access to the transfer valve in the reserve tank (AMM 28-11-02/401).

 S 864-006

 (4)  
Go into the fuel tank (AMM 28-11-00/201).

 S 014-007

 (5)  
Remove the rib section, outboard of the access door, to get access to adapter plate mounting bolts.

 S 034-008

 (6)  
Remove the mounting bolts and the washers (4 locations) that hold the adapter plate to the spar.

 S 024-009

 (7)  
Remove the adapter plate from the rear spar.

 S 024-021

 (8)  
Remove the shaft spline from the valve body and then remove the shaft through the opening in the spar.

 S 034-022

 (9)  
Discard the O-ring.

 S 144-043

 (10)
 Remove all of the old sealant from the rear spar around the periphery of the adapter plate (if sealant was applied).

 TASK 28-16-03-404-010
 3.  Reserve Tank Transfer Valve Adapter Installation (Fig. 401)________________________________________________
 A. Consumable Materials
 (1)  
A00247 Sealant - Corrosion Protection, BMS 5-95

 (2)  
C00064 Coating - Alodine 600 chemical conversion coating for alumimum or aluminum alloy, (MIL-C-5541)

 (3)  
C00307 Corrosion Resistant Finish - BMS 10-20 Type II

 (4)  
D00128 Petrolatum - Technical, VV-P-236

 B.
References

 (1)  
AIPC 28-16-03 Fig. 1

 (2)  
AMM 07-11-08/201, Cargo and Fuel Loading Support

 (3)  
　
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