21-22-01
 ALL  ú ú 01 Page 403 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 214-015
 (2)  
Feel for the airflow from the floor outlet.

 S 214-016

 (3)  
Feel for leaks from the flexible duct joint.

 (a)  
A small leak is permitted.

 (b)  
You must repair a large leak.

 E.
Put the airplane back to its usual condition

 S 414-017
 (1)  
Install the top sidewall panel.

 S 434-018

 (2)  
Install the cap screws and washers that are above the floor outlet, to attach the support angles to the sidewall panel.

 S 864-019

 (3)  
Remove the DO-NOT-OPERATE tags from the L and R PACK selectors, on the P5 panel.

 S 864-020

 (4)  
Remove the electrical power, if it is not necessary
 (AMM 24-22-00/201).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 21-22-01
 ALL  ú ú 01 Page 404 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 FLIGHT DECK OVERHEAD OUTLET - REMOVAL/INSTALLATION
__________________________________________________
 1.  General_______
 A.  The main overhead outlet is installed longitudinally in the overhead circuit breaker panel P11. This procedure has instructions to remove and install the main overhead outlet.
 TASK 21-22-03-004-001
 2.  Remove the Overhead Outlet (Fig. 401)__________________________
 A.  References
 (1)  
24-22-00/201, Electric Power Control

 B.  
Access

 (1)  
Location Zones
 211/212 Control Cabin - Section 41

 C.  
Prepare for the Removal

 S 864-002
 (1)  
Supply electrical power (Ref 24-22-00).

 S 864-003

 (2)  
AIRPLANES WITH PASSENGER CONFIGURATION; Push the L and R RECIRC FAN switch-lights, on the pilots overhead panel P5, to the off position.

 (a)  
Make sure the INOP lights come on.

 (b)  
Put a DO-NOT-OPERATE tag on the switch-lights.

 S 864-004
 (3)  
Turn the L and R PACK selectors, on the P5 panel, to the OFF positions.

 (a)  
Make sure the PACK OFF lights come on.

 (b)  
Put a DO-NOT-OPERATE tag on the selectors.

 D.  
Remove the overhead outlet.

 S 034-005
 (1)  
Remove the screws from the overhead outlet flange.

 (2)  
Remove the overhead outlet.

 S 024-006
 TASK 21-22-03-404-007
 3.  Install the Overhead Outlet (Fig. 401)___________________________
 A.  References
 (1)  
24-22-00/201, Electric Power Control

 B.  
Access

 (1)  
Location Zones
 211/212 Control Cabin - Section 41

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 21-22-03
 ALL  ú ú 01 Page 401 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

Flight Deck Overhead Outlet Installation
Figure 401

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 21-22-03
 ALL  ú ú 01 Page 402 ú Sep 15/82
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 C. Install the overhead outlet
 S 424-008
 (1)  
Put the overhead outlet into position in the P11 panel.

 S 434-015

 (2)  
Make sure the holes in the support structure align with the holes in the overhead outlet. If the holes do not match, slot the holes in the overhead outlet to allow the screws to align properly.
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 空調 AIR CONDITIONING 1(25)