(2)
78-31-00/201, Thrust Reverser System
(3)
IPC 78-34-01 Fig. 1
B.
Access
(1)
Location Zone
450 Strut 1
460 Strut 2
470 Strut 3
480 Strut 4
(2)
Access Panel
451AL TAI Access Panel - Strut 1
461AL TAI Access Panel - Strut 2
471AL TAI Access Panel - Strut 3
481AL TAI Access Panel - Strut 4
C.
Remove the Directional Control Solenoid (Fig. 401)
S 044-023-N00
WARNING: DO THE SPOILER/SPEEDBRAKE DEACTIVATION PROCEDURE OR MOVE ALL
_______ PERSONS AND EQUIPMENT AWAY FROM THE SPOILER/SPEEDBRAKE. THE SPOILER/SPEEDBRAKE CAN MOVE QUICKLY AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Do the deactivation procedure for the spoiler/speedbrake control system when you move the forward or reverse thrust levers (Ref 27-62-00/501).
S 864-003-N00
(2)
Make sure the forward thrust levers are in the idle position.
(a) Attach the DO-NOT-OPERATE tag to the forward thrust levers.
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78-34-09
ALL ú ú N01 Page 401 ú Feb 10/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
BOLT (4 LOCATIONS)
A
Thrust Reverser Directional Control Solenoid Installation
Figure 401
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78-34-09
ALL ú ú N01 Page 402 ú Feb 10/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 864-022-N00
(3) Make sure the reverse thrust levers are in the stow position.
(a) Attach the DO-NOT-OPERATE tag to the forward thrust levers.
S 044-024-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 INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
(4)
Do this procedure: Thrust Reverser Deactivation for Ground Maintenance (Ref 78-31-00/201).
S 014-005-N00
(5)
Remove the applicable TAI access panel.
S 034-006-N00
(6)
Disconnect the electrical connector on the aft face of the directional control valve.
S 034-007-N00
CAUTION:_______DO NOT LET THE HYDRAULIC FLUID FALL ON THE ENGINE. CATCH THE HYDRAULIC FLUID IN A CONTAINER. QUICKLY CLEAN THE HYDRAULIC FLUID THAT FALLS ON THE ENGINE OR DAMAGE CAN OCCUR.
(7)
Remove the four bolts which attach the directional control solenoid to the directional control valve.
S 024-008-N00
(8)
Remove the directional control solenoid.
(a) Discard the packing.
TASK 78-34-09-404-009-N00
3. Install the Thrust Reverser Directional Control Solenoid________________________________________________________
A. References
(1)
27-62-00/501, Spoiler/Speedbrake Control System
(2)
78-31-00/201, Thrust Reverser System
(3)
IPC 78-34-01 Fig. 1
B.
Access
(1)
Location Zone
450 Strut 1
460 Strut 2
470 Strut 3
480 Strut 4
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：747-400 AMM 飛機維護手冊 EXHAUST 2(85)
