(5)
AMM 52-34-00/001, Forward/Aft Cargo Doors
C.
Access
(1)
Location Zone
141 Aft Cargo Container Compartment, Left
145 Bulk Cargo Compartment, Left
(2)
Access Panel
822R Door - Aft Cargo Compartment
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
36-11-18
ALL ú ú 02 Page 403 ú Feb 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
D. Install the Pneumatic Duct Insulation
S 424-021
(1) Install the insulation blanket around the duct.
NOTE: Make sure the insulation blanket makes an overlap of
____ approximately 2 inches along the length of the insulation blanket.
S 434-008
(2)
Install the fiberglass tape around the insulation blanket in the applicable location.
S 434-009
(3)
Tie the tape together with a square knot.
S 434-010
(4)
Put the loose ends of the fiberglass tape under the insulation blanket overlap.
E. Put the Airplane Back to Its Usual Condition
S 414-011
(1)
Install the sidewall lining in the cargo compartment (AMM 25-52-01/401).
S 414-012
(2)
Close the aft cargo door (AMM 52-34-00/001).
(3)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
S 034-013
TASK 36-11-18-404-014
4. Precooler Inlet Duct Insulation Removal (Fig. 402)
_______________________________________
A. References
(1) AMM 20-11-28/401, Standard Practices - Lockwire
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
36-11-18
ALL ú ú 02 Page 404 ú Jun 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
ENGINE BLEED AIR
PRECOOLER (REF)
PRECOOLER INLET
DUCT INSULATION
SEE A
ENGINE BLEED AIR
SUPPORT PRECOOLER
PRECOOLER ROD BUTTONS (REF)
INLET DUCT BRACKET
INSULATION
FWD
A
Precooler Inlet Duct Insulation Installation Figure 402
C18124
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
36-11-18
ALL ú ú 02 Page 405 ú Jun 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 36-00-00/201, Pneumatic System
(4)
AMM 71-11-04/201, Fan Cowl Panels
(5)
AMM 71-11-06/201, Core Cowl Panels
(6)
AMM 78-31-00/201, Thrust Reverser System
B. Access
(1)
Location Zone 412 Engine 1 - High Pressure Compressor Case 10 o'clock 422 Engine 2 - High Pressure Compressor Case 10 o'clock 432 Engine 3 - High Pressure Compressor Case 10 o'clock 442 Engine 4 - High Pressure Compressor Case 10 o'clock
(2)
Access Panel
415 Left Thrust Reverser Half - Engine 1
425 Left Thrust Reverser Half - Engine 2
435 Left Thrust Reverser Half - Engine 3
445 Left Thrust Reverser Half - Engine 4
C. Prepare for the Removal
S 864-013
(1) Supply electrical power (AMM 24-22-00/201).
S 864-014
WARNING: YOU MUST RELEASE THE PRESSURE IN THE PNEUMATIC DUCT BEFORE YOU
_______ REMOVE A PNEUMATIC SYSTEM COMPONENT. IF YOU DO NOT RELEASE THE PRESSURE, HOT HIGH PRESSURE AIR CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
(2) Release the pressure in the pneumatic system (AMM 36-00-00/201).
S 014-015
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址:747-400 AMM 飞机维护手册 气动系统 PNEUMATIC SYSTEM(113)