(4) 
AMM 32-00-30/201, Landing Gear Door Locks
 (5) 
AMM 32-32-15/401, Wing Gear Downlock Actuator
 (6) 
AMM 32-32-16/401, Wing Gear Downlock Bungee
 (7) 
AIPC 32-11-07 Fig. 2
 (8) 
AIPC 32-11-10 Fig. 2
 (9) 
AIPC 32-32-15 Fig. 1
 D. 
Access
 (1)  
Location Zone
 735 Wing Landing Gear, LH
 745 Wing Landing Gear, RH
 E. 
Prepare for the Procedure
 S 494-045
 WARNING: YOU MUST CAREFULLY INSTALL THE GROUND LOCKS IN ALL LANDING
_______ GEAR. AN ACCIDENTAL RETRACTION OF THE LANDING GEAR CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1) Install the ground locks in all landing gear (AMM 09-11-00/201).
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A 
747-400 
MAINTENANCE MANUAL
1.  UPPER  
SIDE  
STRUT  SEE  A  
2. DOWNLOCK  
BUNGEE  
8.  HOSE  
CLAMPS  
3. LOWER  
JURY STRUT  
SEE  B  
9. BRACKET HOSE  4. DOWNLOCK ACTUATOR  
5. HYDRAULIC LINES  
A  A  
6. LOWER  
SIDE  
STRUT  
FWD  
SEE  C  
BOLT  
7. LOWER  
SPINDLE  
A-A  A  
Wing Landing Gear Lower Side Strut Installation  
Figure 401 (Sheet 1) 
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A 
747-400 
MAINTENANCE MANUAL
11. O-RINGS 
10. LUBRICATION INSERT 
HOLES FOR LOCKBOLT (14) 
2.  DOWNLOCK BUNGEE 
ROTATION 
STOP
12. BOLT 
1.  UPPER SIDE STRUT 13. APEX BOLT 
15. TANG 14. LOCKBOLT 
WASHER 
3. LOWER JURY STRUT
16. RETAINER 
WASHER
COTTER PIN 
NUT
6. LOWER 
SIDE 
STRUT
FWD
9. HOSE 
BRACKET
B 
20. LOCKBOLT 
22. 
TANG WASHER
23. 
ROLLER
24. 
SIDE PLATE
6.  LOWER SIDE 21. NUT 
STRUT 
30. SPINDLE 
BOLT
25. 
LINK
26. 
PUSHROD END
27. 
SPINDLE
28. 
O-RINGS
29. 
LUBRICATION 
INSERT
C 
Wing Landing Gear Lower Side Strut 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
 S 494-046
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASKS 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.
 (2)  
Do this task: "Installation of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).
S 494-047
 (3)  
Do this task: "Installation of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).
S 864-004
 (4)  
Lift the airplane with the jacks until the wheels are immediately above the ground (AMM 07-11-01/201).
S 844-005
 (5)  
Remove the hydraulic power from system 4 (AMM 29-11-00/201).
 F. 
Procedure
 S 034-006
 (1)  
Disconnect the hydraulic hoses (5) from the downlock actuator (AMM 32-32-15/401).
 (a)  
Put a cap on the end of each line.
 (b)  
Put a plug in each fitting.
 
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