S 362-085
(2)
To replace the scraper ring, do these steps:
(a)
Lower the gland nut.
(b)
Cut the damaged scraper ring from the inner cylinder.
NOTE: Do not scratch the surface of the inner cylinder.
____
(c)
Install the split scraper ring.
(d)
Tighten the gland nut 2100-2400 inch-pound torque (AMM 32-11-02/801).
(e)
Do this task: "Wing Landing Gear Shock Strut Servicing" (AMM 12-15-03/301).
H.
Put the Airplane back to its Usual Condition.
S 092-090
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS FROM THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Do this task: "Removal of the Door Locks from the Wing Landing Gear" (AMM 32-00-30/201).
S 092-091
(2)
Do this task: "Removal of the Door Locks from the Body Landing Gear" (AMM 32-00-30/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-11-02
ALL ú ú 01 Page 222 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
WING LANDING GEAR SHOCK STRUT - SERVICING
_________________________________________
1. General_______
A. This procedure contains a task to replace the fluid in a shock strut for the wing landing gear.
B. The task to fill and pressurize the shock strut is in AMM 12-15-03/301.
TASK 32-11-02-603-001
2. Wing Landing Gear Shock Strut Fluid Replacement_______________________________________________
A. General
(1)
The fluid capacity for each shock strut is approximately 21 gallons.
B.
Standard Tools and Equipment
(1)
Container - 25 gallons
C.
References
(1)
AMM 09-11-00/201, Towing
(2)
AMM 12-15-03/301, Wing Landing Gear Shock Strut
(3)
AMM 32-00-30/201, Landing Gear Door Locks
(4)
AIPC 32-11-01 Fig. 5
D.
Access
(1)
Location Zone
735 Wing Landing Gear, LH
745 Wing Landing Gear, RH
E.
Prepare for the Procedure
S 493-010
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 on all landing gear (AMM 09-11-00/201).
S 493-011
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).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-11-02
ALL ú ú 01 Page 301 ú Oct 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 493-012
(3)
Do this task: "Installation of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).
F.
Procedure
S 613-015
CAUTION: REMOVE THE PRESSURE FIRST FROM THE WING LANDING GEAR OR REMOVE
_______ IT EQUALLY FROM ALL OF THE MAIN LANDING GEAR. THE AIRPLANE CAN FALL TO THE SIDE IF YOU REMOVE THE PRESSURE INCORRECTLY.
CAUTION: BEFORE YOU DEFLATE THE STRUT MAKE SURE THAT THE AREA BELOW THE
_______ WINGS IS CLEAR. WHEN YOU DEFLATE THE STRUT THE WING CAN LOWER MANY FEET, WHICH CAN CAUSE DAMAGE TO THE EQUIPMENT.
(1)
Release the pressures from all the main gear shock struts.
(a)
Remove the valve caps from the air valves.
WARNING: DO NOT REMOVE THE VALVE ASSEMBLY UNTIL YOU FULLY
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