(2)
AMM 78-31-00/201, Thrust Reverser System
(3)
AMM 78-34-01/401, Thrust Reverser Directional Control Valve
(4)
IPC 78-34-01 Fig. 1
B.
Access
(1)
Location Zones
450 Strut - Engine 1
460 Strut - Engine 2
470 Strut - Engine 3
480 Strut - Engine 4
(2)
Access Panel 451A and 451B #2 and #3 Forward Fairing, Engine 1 461A and 461B #2 and #3 Forward Fairing, Engine 2 471A and 471B #2 and #3 Forward Fairing, Engine 3 481A and 481B #2 and #3 Forward Fairing, Engine 4
C.
Prepare to Remove the Flow Control Tee for the Thrust Reverser.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITHOUT ONE-WAY RESTRICTOR ú
78-34-02
VALVES ú CONFIG 1 ú N01 Page 401 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 044-002-N01
WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPEED BRAKE CONTROL
_______ SYSTEM. IF YOU DO NOT DO THIS, THE SPOILERS CAN MOVE QUICKLY WHEN YOU MOVE THE THRUST LEVERS. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(1)
Do the deactivation procedure for the Speed Brake System Control System (AMM 27-62-00/201).
S 864-003-N01
(2)
Make sure the forward thrust levers are in the idle position.
(a) Install the DO-NOT-OPERATE tag to the thrust levers.
S 864-004-N01
(3) Make sure the reverse thrust levers are in the forward and down (stow) position.
(a) Install the DO-NOT-OPERATE tag to the thrust levers.
S 044-005-N01
WARNING: DO THE DEACTIVATION PROCEDURE TO PREVENT THE OPERATION OF THE
_______ THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(4)
Do the deactivation procedure for the thurst reverser for ground maintenance (AMM 78-31-00/201).
S 014-046-N01
(5)
Remove the applicable forward fairing panel.
S 214-047-N01
(6)
Make sure the forward fairing panel is not damaged.
D.
Remove the Retract Flow Control Tee for the Thrust Reverser (Fig. 401).
S 024-048-N01
(1)
Loosen the clamp for the hydraulic extend and retract lines.
(2)
Loosen the tube nut on the hydraulic retract lines (11).
(3)
Move the hydraulic tube nuts forward.
S 024-005-N01
S 034-006-N01
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78-34-02
VALVES ú CONFIG 1 ú N01 Page 402 ú Oct 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
FORWARD UPPER FAIRING
A
SEE A DIRECTIONAL
CONTROL VALVE
(REF)
3.
NUT
4.
PACKING
5.
RETAINER
6. UNION
A
7. PACKING
2. FLOW CONTROL TEE
1. HYDRAULIC EXTEND LINES
SWIVEL NUT FOR REDUCER TEE
8.
REDUCER TEE
9.
ELBOW
10. ELBOW
11. HYDRAULIC RETRACT LINES FLOW CONTROL TEE ADAPTER
A
RETRACT FLOW CONTROL TEE ASSEMBLY (REF)
EXTEND FLOW CONTROL TEE ASSEMBLY (REF)
RTN PRESS DCV
CONTROL TUBE FOR THE BAROSWITCH
CLAMP
TUBE NUT WIRE
(4 LOCATIONS) BUNDLE
CLAMP
CLAMP FWD
A-A
Thrust Reverser Flow Control Tee Installation
Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITHOUT ONE-WAY RESTRICTOR 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 2(66)
