(10)
 For the ceiling panels that were removed, do this task:  "Forward Cargo Container Compartment Ceiling and Sidewall Linings -Installation" (AMM 25-52-01/401).

 S 862-064

 (11)
 Do this task: "Water System Pressurization" (AMM 38-15-60/201).

 S 862-055

 (12)
 If pneumatic power is not necessary, do this task:  "Release the Pressure in the Pneumatic System (AMM 36-00-00/201).

 S 862-056

 (13)
 Remove electrical power if it is not necessary (AMM 24-22-00/201).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. FREIGHTERS ú

 38-15-64
 ú ú 01 Page 205 ú Feb 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 TASK 38-15-64-002-015
 4.  Bleed-air Line In-line Air Filter Removal (Fig. 201)_________________________________________
 A. General
 (1)  The bleed-air line air filter is referred to as the filter in this task.
 B. References
 (1)  
AMM 25-52-01/401, Containerized Cargo Compartment Ceiling and Sidewall Linings

 (2)  
AMM 36-00-00/201, Pneumatic

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

 C. Access
 (1)  Location Zone 124 Forward Cargo Container Compartment Aft Half, Right
 D. Procedure
 S 862-016
 WARNING:_______REMOVE THE AIR PRESSURE FROM THE PNEUMATIC MANIFOLD. AIR WITH HIGH PRESSURE AND TEMPERATURE CAN CAUSE INJURY TO PERSONS.
 (1)  If the pneumatic manifold is pressurized, do this task: "Release the Pressure in the Pneumatic System" (AMM 36-00-00/201).
 S 862-017
 WARNING: MAKE SURE YOU REMOVE THE PRESSURE FROM THE WATER PRESSURIZATION
_______ SYSTEM BEFORE YOU START TO REMOVE THE BLEED-AIR LINE AIR FILTER. THIS REMOVES THE PRESSURE THAT IS IN THE WATER PRESSURIZATION SYSTEM. AIR THAT HAS HIGH PRESSURE CAN CAUSE INJURY TO PERSONS.
 (2)  
Do this task: "Water System Depressurization: (AMM 38-15-60/201).

 S 012-018

 (3)  
For the ceiling panels in the area between RBL 35 and RBL 55 from stations 840 to 860, do this task: "Containerized Cargo Compartment Ceilings and sidewall Linings - Removal" (AMM 25-52-01/401).

 S 032-019

 (4)  
Remove the two clamshell couplings that are installed adjacent to the filter.

 (5)  
Move the sleeves for the coupling away from the filter.

 S 032-020
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. FREIGHTERS ú

 38-15-64
 ú ú 01 Page 206 ú Feb 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 032-021
 (6)  
Remove the two screws, washers and spacers that hold the filter on the bracket.

 S 022-022

 (7)  
Remove the filter with the check valve and the adapters attached.

 S 032-023

 (8)
Disconnect the adapter from the inlet side of the filter.

 S 032-024

 (9)  
Disconnect the check valve with the adapter from the outlet side of the filter.

 TASK 38-15-64-402-025
 5.  Bleed-air Line In-line Air Filter Installation______________________________________________
 A. References
 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 25-52-01/401, Containerized Cargo Compartment Ceiling and Sidewall Linings

 (3)  
AMM 36-00-00/201, Pneumatic

 (4)  
AMM 38-15-60/201, Water Tank Pressurization

 B. Access
 (1)  Location Zone 124 Forward Cargo Container Compartment Aft Half, Right
 C. Consumable Materials
 (1)  D00463 Lubricant - White Protopet 1S (WITCO Corp, New York, NY 07804)
 D. Procedure
 S 862-057
 (1)  
Make sure the ends that connect are clean.
　
中國航空網(wǎng) m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機(jī)維護(hù)手冊 氣動系統(tǒng) WATER/WASTE(31)