(b)  
Install the MS21902-20 union in the self-sealing disconnect.

 (c)  
Drain the contents of the reservoir into the container.

 (d)  
Remove the MS21902-20 union from the self-sealing disconnect.

 (3)  
Remove the self-sealing disconnect from the hydraulic supply hose.

 S 024-008
 TASK 29-11-31-404-009
 3.  Supply Hose Self-Sealing Disconnect Installation (Fig. 401)________________________________________________
 A. Consumable Materials
 (1)  
D00153 Fluid - Hydraulic, Fire Resistant, BMS 3-11

 B.
References

 (1)  
AMM 12-12-01/301, Hydraulic Systems

 (2)  
AMM 29-11-00/201, Main Hydraulic Supply System

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747-400
MAINTENANCE MANUAL

 (3)  
AMM 78-31-00/201, Thrust Reverser System

 C.
Access

 (1)  
Location Zone 412 Engine 1 - The 5:00 o'clock Face of the Forward Gearbox 422 Engine 2 - The 5:00 o'clock Face of the Forward Gearbox 432 Engine 3 - The 5:00 o'clock Face of the Forward Gearbox 442 Engine 4 - The 5:00 o'clock Face of the Forward Gearbox

 (2)  
Access Panel
 416 Engine 1 - Right Half of the Thrust Reverser
 426 Engine 2 - Right Half of the Thrust Reverser
 436 Engine 3 - Right Half of the Thrust Reverser
 446 Engine 4 - Right Half of the Thrust Reverser

 D.
Procedure

 S 024-010
 (1)  
Connect the self-sealing disconnect to the EDP.

 S 434-011

 (2)  
Connect the hydraulic supply hose to the self-sealing disconnect and tighten the connection to 855-945 pound-inches (95-105 N.m).

 S 864-012

 (3)  
Close the applicable EDP HYD SUPPLY circuit breaker:

 (a)  
P7 Overhead Circuit Breaker Panel
 1) 7J4 EDP SUPPLY 1
 2) 7J5 EDP SUPPLY 2
 3) 7J6 EDP SUPPLY 3
 4) 7J7 EDP SUPPLY 4

 S 614-013
 (4)  
Fill the hydraulic reservoir (AMM 12-12-01/301).

 (5)
Pressurize the applicable hydraulic system (AMM 29-11-00/201).

 S 214-015

 (6)
Do a leakage check of the self-sealing disconnect connections.

 (a)  
If you find leakage, repair the cause of it.

 S 864-014
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 S 414-016
 (7)  Close the right half of the thrust reverser for the applicable engine (AMM 78-31-00/201).
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747-400 MAINTENANCE MANUAL
 SUPPLY HOSE SELF-SEALING DISCONNECT (FIREWALL-MOUNTED)
______________________________________________________ REMOVAL/INSTALLATION
____________________
 1.  General_______
 A.  This procedure contains the tasks to remove and to install the supply hose self-sealing disconnect (firewall mounted). For this procedure, the supply hose self-sealing disconnect (firewall mounted) is referred to as the self-sealing disconnect.
 B.  The self-sealing disconnect connects the hydraulic supply hose to the firewall in the engine nacelle raceway. You must drain the hydraulic supply reservoir before you remove the self-sealing disconnect from the firewall.
 TASK 29-11-32-004-022
 2.  Supply Hose Self-Sealing Disconnect Removal (Fig. 401)___________________________________________
　
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