747-400 AMM 飞机维护手册 起落架 LANDING GEAR 6(57)

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QUADRANT SUPPORT ASSEMBLY
33. BOLT
PUSHROD
4. BUSHING
6. NUT
1.  VALVE ASSEMBLY BRAKE METERING  9.  LOCKBOLT  5.  WASHER 
10.  WASHER  8.  CRANK 
SEE  E  11.  NUT 
BOLT3. 

C
QUADRANT CONTROL 4. BUSHINGSUPPORT QUADRANT PUSHRODASSEMBLY 5. WASHER
3. BOLT
6.
NUT

7.
CRANK PIN

RIGGING
9.
LOCKBOLT

10.
WASHER

33. BOLT 11. NUT
35. NUT
34. WASHER
33. BOLT
2. BRAKE METERING VALVE ASSEMBLY
SEE F
D
Brake Metering Valve Assembly Installation Figure 401 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

12. ADAPTER
15. NUT
14. O-RING
16. BACK-UP RING
13. O-RING
32.  BRAKE METERING VALVE
31. ADAPTER
15. NUT
25.
 O-RING

26.
 BACK-UP RING

24. O-RING
23. FILLER FITTING
14. O-RING
16. BACK-UP RING
13. O-RING
24. O-RING
26. BACK-UP RING
25. O-RING
29. NUT
29. ADAPTER
17. ADAPTER
15. NUT
14. O-RING
16. BACK-UP RING
13. O-RING
18. ADAPTER
21. NUT
20. O-RING
22. BACK-UP RING
19. O-RING
13. O-RING
16. BACK-UP RING
14. O-RING
23. FILLER FITTING
1. BRAKE METERING VALVE ASSEMBLY (LEFT)

32.  BRAKE METERING
E
VALVE
12. ADAPTER
15. NUT
14. O-RING
16. BACK-UP RING
13. O-RING
30. ADAPTER
25.
 O-RING

26.
 BACK-UP RING

24. O-RING
23. FILLER FITTING
14. O-RING
16. BACK-UP RING
13. NUT
24. O-RING
26. BACK-UP RING
25. O-RING
28.
 NUT

29.
 ADAPTER

17. ADAPTER
15. NUT
14. O-RING
16. BACK-UP RING
13. O-RING
18. ADAPTER
21. NUT
20. O-RING
22. BACK-UP RING
19. O-RING
13. O-RING
26. BACK-UP RING
14. O-RING
23. FILLER FITTING
2. BRAKE METERING VALVE ASSEMBLY (RIGHT) F
Brake Metering Valve Assembly Installation
Figure 401 (Sheet 3)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 494-045
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (4)  
Do this task: "Installation of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).

 S 494-055

 (5)  
Do this task: "Installation of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).

 S 844-006

 (6)  
Remove pressure from hydraulic systems 1, 2 and 4
 (AMM 29-11-00/201).

 S 864-046

 (7)  
Remove the pressure from the brake accumulator:

 (a)  
Look at the pressure on the HYD BRAKE PRESS gage on the captain's instrument panel.

 (b)  
Push the brake pedals fully 10 times.

 (c)  
Make sure the pressure does not decrease the last time you operate the brake pedals.

 S 864-061
 (8)  
Remove the pressure from hydraulic system No. 1, 2, and 4 reservoirs (AMM 29-11-00/201).

 E.
Remove the Valve Assembly

 S 034-047
 (1)  
Disconnect the lever (8 left, 7 right) from the shaft of the valve assembly (1 left, 2 right):

 (a)  
Remove the nut (11), washer (10) and lockbolt (9).

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