S 034-006

 (6)  
Remove the sealant that is between the fill fitting and the service panel.

 S 034-007

 (7)  
Remove the screws that attach the fill fitting to the water service panel.

 S 024-008

 (8)  
Remove the fill fitting through the access door for the water service panel.

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MAINTENANCE MANUAL

Fill Fitting Installation
Figure 401

C24212
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MAINTENANCE MANUAL

 TASK 38-11-61-384-009
 3. Install the Fill Fitting (Fig. 401)
________________________
 A. Consumable Materials
 (1)  A00247 Sealant - Adhesive, pressure, BMS 5-95 class B
 B. References
 (1)  
AMM 12-14-61/301, Water System

 (2)  
AMM 24-22-00/201, Manual Control

 (3)  
AMM 38-15-60/201, Water System Pressurization

 C. Access
 (1)  Location Zone 128 Area Aft of Forward Cargo Container Compartment, Right
 D. Procedure
 S 424-022
 (1)  
Do the applicable steps of BAC 5000 to fay surface seal the fill fitting to the service panel.

 S 864-010

 (2)  
Remove the cap from the water fill line.

 S 424-011

 (3)  
Put the fill fitting in its installed position.

 S 394-012

 (4)  
Apply the sealant to the threads of the screws.

 S 434-013

 (5)  
Install the screws.

 S 824-014

 (6)  
Make sure the outlet of the fill fitting is not more than 0.24 inch from the water fill line.

 S 434-015

 (7)  
Move the sleeve over the end of the fill fitting until it is over the center of the connection.

 (8)  
Install the clamshell coupling.

 (9)
Do this task: "Water System Pressurization" (AMM 38-15-60/201).

 (10)
 Do this task: "Fill the Water System" (AMM 12-14-61/301).

 S 434-016
 S 864-017
 S 614-018
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 S 794-019
 (11)
 Do a check of the fill fitting for leakage at the fill line connection.

 S 864-020

 (12)
 Remove electrical power if it is not necessary (AMM 24-22-00/201).

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747-400 MAINTENANCE MANUAL
 FILL/DRAIN - REMOVAL/INSTALLATION
_________________________________
 1.  General_______
 A. This procedure has these tasks:
 (1)  
The fill/drain valve removal.

 (2)  
The fill/drain valve installation.

 TASK 38-11-62-384-001
 2.  Fill/Drain Valve Removal (Fig. 401)________________________
 A. References
 (1)  
AMM 12-14-61/301, Water System

 (2)  
　
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