(2)
AMM 27-62-00/201, Speedbrake Control System
(3)
AMM 71-11-04/201, Fan Cowl Panels
(4)
AMM 78-31-00/201, Thrust Reverser System
B.
Access
(1)
Location Zones 415 and 416 Engine 1 - Thrust Reverser Halves 425 and 426 Engine 2 - Thrust Reverser Halves 435 and 436 Engine 3 - Thrust Reverser Halves 445 and 446 Engine 4 - Thrust Reverser Halves
(2)
Access Panels
413 and 414 Fan Cowl Panels - Engine 1
423 and 424 Fan Cowl Panels - Engine 2
433 and 434 Fan Cowl Panels - Engine 3
443 and 444 Fan Cowl Panels - Engine 4
C.
Prepare to Remove the Latch Bands (Fig. 401).
S 044-020-N00
WARNING: DO THE DEACTIVATION PROCEDURE FOR THE AUTOMATIC SPEED BRAKES.
_______ IF YOU DO NOT DO THIS, THE AUTOMATIC SPEED BRAKES CAN RETRACT 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).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
78-31-02
ALL ú ú N01 Page 401 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
ANCHOR STRAP
SEE B
SEE A
SADDLE
FITTING
LATCH BAND
BOLT
LATCH BAND WASHER
RETAINERS
LOCKWIRE
SEE C HOLE RETAINER
LATCH
BAND
PIN
1
T-BOLT LATCH
HANDLE AND COTTER PIN HOLE
RECEIVER A
ANCHOR LATCH BAND
STRAP
WASHER
COTTER PIN
B FWD
LATCH BAND
RETAINER BOLT AND WASHER
(22 LOCATIONS)
LATCH
BAND
1 PUT THE GREASE ON THE LATCH
BAND PIN AND INSTALL IT
C FROM THE AFT SIDE. DO NOT
INSTALL THE WASHER UNDER
THE HEAD OF THE LATCH BAND
PIN.
Latch Band Installation
Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
78-31-02
ALL ú ú N01 Page 402 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 864-021-N00
(2)
Make sure the forward thrust levers are in the idle position and attach the DO-NOT-OPERATE tags.
S 864-022-N00
(3)
Make sure the reverse thrust levers are in the fully stowed position and attach the DO-NOT-OPERATE tags.
S 044-023-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 task: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201).
S 014-024-N00
(5)
Open the fan cowl panels (AMM 71-11-04/201).
D.
Remove the Latch Bands (Fig. 401).
S 034-038-N00
(1)
Release the T-bolt latch handle that attaches the latch band on the bottom of the engine.
S 034-007-N00
(2)
Remove the lockwire from the two retainers.
S 034-027-N00
(3)
Remove the bolts and the washers that hold the retainers on the anchor strap.
S 034-028-N00
(4)
Remove the retainers from the anchor strap.
S 034-008-N00
(5)
Remove the cotter pins, washers, and latch band pins that hold the latch band on the anchor strap.
S 034-029-N00
(6)
Remove the bolts and the washers that attach the latch band
retainers (22 locations) to the thrust reversers.
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(90)
