(2)
AMM 29-11-00/201, Main Hydraulic Supply System
B.
Access
(1)
Location Zone
221/222 Control Cabin
C.
Procedure
S 865-062
(1)
Supply electrical power (AMM 24-22-00/201).
S 865-063
(2)
Make sure these circuit breakers are closed:
(a)
P414 Main Power Distribution Panel
1) 414G23 HYD 4 PRESS IND
(b)
P415 Main Power Distribution Panel
1) 415K37 HYD PRESS IND SYS 1
2) 415K38 HYD PRESS IND SYS 2
3) 415K39 HYD PRESS IND SYS 3
(3)
Remove the pressure from the hydraulic system (AMM 29-11-00/201).
S 865-065
(4)
Put the HYD PUMPS DEMAND switch, for the applicable system, in the OFF position.
S 865-064
NOTE: The switch is on the overhead panel, P5.
____
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A 747-400 MAINTENANCE MANUAL
(5) S 215-066Make sure the PRESS light, for the demand pump in the applicable system, is on.
NOTE:____ The light is on the overhead panel, P5.
(6) S 865-067Remove electrical power if it is not necessary (AMM 24-22-00/201).
TASK 29-31-00-705-001
3. Hydraulic Pressure Indication System Test
_________________________________________
A. References
(1)
AMM 12-12-01/301, Hydraulic Systems
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 29-11-00/201, Main Hydraulic Supply System
(4)
AMM 29-11-05/401, Engine-Driven Hydraulic Pump
(5)
AMM 29-11-17/401, Air-Driven Demand Pump
(6)
AMM 29-11-19/401, AC Motor-Driven Demand Pump
(7)
AMM 29-17-01/201, Reservoir Pressurization Module
(8)
AMM 36-00-00/201, Pneumatic System
(9)
AMM 54-62-00/201, Nacelle Strut Access Panels
(10)
AMM 78-31-00/201, Thrust Reverser System
B.
Access
(1)
Location Zone 412 Engine 1 - Gearbox Forward Face 5:00 o'clock 454 Engine 1 - Strut Aft Fairing 422 Engine 2 - Gearbox Forward Face 5:00 o'clock 464 Engine 2 - Strut Aft Fairing 432 Engine 3 - Gearbox Forward Face 5:00 o'clock 474 Engine 3 - Strut Aft Fairing 442 Engine 4 - Gearbox Forward Face 5:00 o'clock 484 Engine 4 - Strut Aft Fairing
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A
747-400
MAINTENANCE MANUAL
(2) Access Panel 416 Right Thrust Reverser Half - Engine 1 454A Trailing Edge Fairing Doors - Engine 1 426 Right Thrust Reverser Half - Engine 2 464A Trailing Edge Fairing Doors - Engine 2 436 Right Thrust Reverser Half - Engine 3 474A Trailing Edge Fairing Doors - Engine 3 446 Right Thrust Reverser Half - Engine 4 484A Trailing Edge Fairing Doors - Engine 4
C. Procedure
S 865-002
(1) Supply electrical power (AMM 24-22-00/201).
S 865-003
(2) Close these circuit breakers:
(a) P180 DC Power Distribution Panel 1) 180E06 LATERAL CONT VLV SYS 2 2) 180E07 ELEV/RUD VLV SYS 2 3) 180E21 LATERAL CONT VLV SYS 4 4) 180E22 ELEV/RUD VLV SYS 4 5) 180H07 LATERAL CONT VLV SYS 1 6) 180H08 ELEV/RUD VLV SYS 1 7) 180H22 LATERAL CONT VLV SYS 3 8) 180H23 ELEV/RUD VLV SYS 3
(b) P414 Main Power Distribution Panel 1) 414G23 HYD 4 PRESS IND
(c) P415 Main Power Distribution Panel 1) 415K37 HYD PRESS IND SYS 1 2) 415K38 HYD PRESS IND SYS 2 3) 415K39 HYD PRESS IND SYS 3
S 865-004
(3) Open these circuit breakers:
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本文链接地址：747-400 AMM 飞机维护手册 液压 HYDRAULIC 2(108)
