(2)
AMM 71-11-06/201, Core Cowl Panels
(3)
AMM 78-11-01/401, Turbine Exhaust Sleeve
(4)
AMM 78-11-02/401, Turbine Exhaust Plug
(5)
AMM 78-31-00/201, Thrust Reverser System
(6)
SRM 54-40-30, Primary Exhaust Allowable Damage - PW4000 Engine
B.
Access
(1)
Location Zones
419 Engine 1 - Exhaust Sleeve
429 Engine 2 - Exhaust Sleeve
439 Engine 3 - Exhaust Sleeve
449 Engine 4 - Exhaust Sleeve
(2)
Access Panels
417 Core Cowl Panel, LH - Engine 1
418 Core Cowl Panel, RH - Engine 1
427 Core Cowl Panel, LH - Engine 2
428 Core Cowl Panel, RH - Engine 2
437 Core Cowl Panel, LH - Engine 3
438 Core Cowl Panel, RH - Engine 3
447 Core Cowl Panel, LH - Engine 4
448 Core Cowl Panel, RH - Engine 4
C.
Prepare to Do an Inspection of the Turbine Exhaust System.
S 046-016-N00
WARNING: DO THE DEACTIVATION PROCEDURE FOR THE AUTOMATIC SPEED BRAKE
_______ CONTROL SYSTEM. THE SPEED BRAKES CAN MOVE QUICKLY WHEN YOU MOVE THE THRUST LEVERS. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Do this task: Automatic Speed Brake System Deactivation (AMM 27-62-00/201).
S 866-003-N00
(2)
Make sure the forward thrust levers are in the idle position and attach the DO-NOT-OPERATE tags.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 866-017-N00
(3) Make sure the reverse thrust levers are in the fully stowed position and attach the DO-NOT-OPERATE tags.
S 046-004-N00
WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
_______ OPERATION OF THE THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(4)
Do this task: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201).
S 016-005-N00
(5)
Open the core cowl panels (AMM 71-11-06/201).
D.
Do an Inspection of the Turbine Exhaust System (Fig. 601).
S 216-020-N00
(1)
Examine the fasteners on the turbine exhaust sleeve and the turbine exhaust plug for tightness and the correct installation.
S 216-021-N00
(2)
Make sure the spring seals at the top of the turbine exhaust sleeve are installed and in good condition.
S 016-025-N00
(3)
Remove the turbine exhaust sleeve (AMM 78-11-01/401).
S 216-027-N00
(4)
Examine these areas of the turbine exhaust sleeve for dents, nicks, cracks, gouges, holes, punctures, corrosion, and surface delaminations:
(a) inner sleeve attachment member
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ALL ú ú N01 Page 602 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
Turbine Exhaust Sleeve and Plug Inspection
Figure 601
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 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 EXHAUST 1(23)
