(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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A
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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747-400 MAINTENANCE MANUAL
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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