(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).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-11-06
ALL ú ú 01 Page 401 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-11-06
ALL ú ú 02 Page 402 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-11-06
ALL ú ú 01 Page 403 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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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