SUPPLY HOSE SELF-SEALING DISCONNECT (HOSE-MOUNTED) - REMOVAL/INSTALLATION
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1. General
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A. This procedure contains the tasks to remove and to install the supply hose self-sealing disconect (hose mounted). In this procedure, the supply hose self-sealing disconnect (hose mounted) is referred to as the self-sealing disconnect.
B. The self-sealing disconnect is attached to the end of the hydraulic supply hose. The self-sealing disconnect attaches the hydraulic supply hose to the engine driven pump (EDP).
C. You must drain the hydraulic supply reservoir before you remove the self-sealing disconnect from the hydraulic supply hose. To do this, remove the self-sealing disconnect from the EDP. Install a union in the self-sealing disconnect and drain the hydraulic supply reservoir.
D. Open the right half of the thrust reverser to get access to the
self-sealing disconnect.
TASK 29-11-31-004-017
2. Supply Hose Self-Sealing Disconnect Removal (Fig. 401)
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A. Standard Tools and Equipment
(1)
Container - 15 U.S. gallon (60 liter) capacity
(2)
MS21902-20 Union
B.
References
(1)
AMM 29-11-00/201, Main Hydraulic Supply System
(2)
AMM 29-11-05/401, Engine Driven Pump
(3)
AMM 36-00-00/201, Pneumatic System
(4)
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
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
HYDRAULIC SEE A SUPPLY HOSE
HYDRAULIC CASE DRAIN HOSE
HYDRAULIC
PRESSURE
HOSE
HYDRAULIC SUPPLY HOSE SELF-SEALING FWDDISCONNECT ELECTRICAL CONNECTOR
ENGINE-DRIVEN PUMP
A
Supply Hose Self-Sealing Disconnect (Hose Mounted) Installation
Figure 401
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
D. Prepare to remove the self-sealing disconnect.
S 864-026
WARNING: DO NOT OPEN THE HYDRAULIC SYSTEM BEFORE YOU RELEASE THE
_______ PRESSURE IN THE PNEUMATIC SYSTEM. THE PNEUMATIC SYSTEM PRESSURIZES THE HYDRAULIC RESERVOIR. PRESSURIZED HYDRAULIC FLUID CAN CAUSE INJURY.
(1)
Release the pressure in the pneumatic system (AMM 36-00-00/201).
(a)
Operate the bleed valve on the pressurization module to release the pressure in the hydraulic reservoir (AMM 29-11-00/201).
S 014-024
(2)
Open the right half of the thrust reverser for the applicable engine (AMM 78-31-00/201).
S 864-004
(3)
Open 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
E.
Remove the self-sealing disconnect:
S 684-006
(1) Disconnect the hydraulic supply hose from the EDP
(AMM 29-11-05/401).
NOTE: The hydraulic supply hose is the largest hose.
____
S 684-020
(2)
Drain the hydraulic reservoir:
(a)
Put a container below the EDP.
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本文链接地址：747-400 AMM 飞机维护手册 液压 HYDRAULIC 2(60)
