S 412-359
(6)
Close the left and right core cowl panels (AMM 71-11-06/201).
S 412-307
(7)
Close the left and right fan cowl panels (AMM 71-11-04/201).
S 442-360
(8)
Do the activation procedure for the thrust reverser
(AMM 78-31-00/201).
TASK 54-53-00-702-117
6. Outboard Strut, Upper Spar Inlet - Leak Check (S3)
__________________________________________________
A. General
(1) This task gives instuctions on how to do a leak check (S3) of the upper spar inlet structure on the outboard strut.
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A
747-400
MAINTENANCE MANUAL
B. Equipment
(1)
Water source - low pressure, can spray up to 2 quarts (1.9 liters) per minute
(2)
Container - 5 gallon (19 liter) capacity, can collect and measure water to within 1 fluid ounce (30 ml) (measure can be done in smaller containers)
(3)
Funnel - long necked
C. References
(1)
AMM 08-00-00/201, Leveling and Weighing
(2)
AMM 27-81-00/201, Leading Edge Flaps
(3)
AMM 51-31-01/201, Seals and Sealing
(4)
AMM 54-62-00/201, Nacelle Strut Access Panels
(5)
AMM 71-11-04/201, Fan Cowl Panels
(6)
AMM 71-11-06/201, Core Cowl Panels
(7)
AMM 78-31-00/201, Thrust Reverser System
D. Access
(1)
Location Zone
451 Nacelle Strut 1 - Forward Fairing
452 Nacelle Strut 1 - Torque Box
481 Nacelle Strut 4 - Forward Fairing
482 Nacelle Strut 4 - Torque Box
(2)
Access Panel
451B No. 3 Forward Fairing - Engine 1
454AL Aft Fairing Door - Engine 1
521FT Upper Wing Leading Edge Cover - Engine 1
481B No. 3 Forward Fairing - Engine 4
484AL Aft Fairing Door - Engine 4
621FT Upper Wing Leading Edge Cover - Engine 1
E. Prepare for the Leak Check
S 042-341
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.
(1)
Do the deactivation procedure for the thrust reverser for ground maintenance (AMM 78-31-00/201).
(2)
Open the left and right fan cowl panels (AMM 71-11-04/201).
(3)
Open the left and right core cowl panels (AMM 71-11-06/201).
S 012-118
S 012-342
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A
747-400 MAINTENANCE MANUAL
S 012-119
WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
(4) Open the left and right thrust reversers (AMM 78-31-00/201).
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本文链接地址:747-400 AMM 飞机维护手册 NACELLES/PYLONS(63)