Shock Strut Seal Replacement Tools for the Wing Landing Gear
Figure 803 (Sheet 2)
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A
747-400
MAINTENANCE MANUAL
1. OUTER CYLINDER
SEE A 14. FOLLOWER 2. INNER CYLINDER
13. SEAL BACKUP RINGS
12. DYNAMIC SEAL
11. SEAL BACKUP RINGS
10. STATIC SEAL 3. LOWER BEARING
9. SPARE SEALS
8. 7. GLAND NUT SCRAPER RING 5. LOCKPLATE GLAND NUT INNER CYLINDER
6. CYLINDER INNER YOKE
A
Shock Strut Seal Replacement for the Wing Landing Gear Figure 804
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747-400
MAINTENANCE MANUAL
(3)
D00070 Oil Hydraulic, Petroleum base - MIL-H-5606
(4)
D00589 Lubricant Hydraulic Assembly AFS-682 (Preferred)
(5)
D00250 Petrolatum VV-P-236 (Optional)
(6)
G01395 Compound - Corrosion Inhibition, BMS 3-27, Mastinox 6856K
E.
References
(1)
AMM 07-11-01/201, Jack Airplane
(2)
AMM 07-11-03/201, Jacking Airplane Axles
(3)
AMM 09-11-00/201, Towing
(4)
AMM 12-15-03/301, Wing Landing Gear Shock Strut
(5)
AMM 29-11-00/201, Main Hydraulic Supply System
(6)
AMM 32-00-30/201, Landing Gear Door Locks
(7)
AMM 32-11-02/301, Wing Gear Shock Strut
(8)
AIPC 32-11-02 Fig. 2
F.
Access
(1)
Location Zone
735 Wing Landing Gear, LH
745 Wing Landing Gear, RH
G.
Prepare for the procedure
S 498-096
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).
S 498-097
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.
(2)
Do this task: "Installation of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).
S 498-098
(3)
Do this task: "Installation of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).
S 868-004
(4)
Release the pressure from the hydraulic system No. 4
(AMM 29-11-00/201).
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747-400 MAINTENANCE MANUAL
S 588-005
(5) Lower the truck into a pit or lift the airplane (AMM 07-11-01/201).
S 688-121
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.
(6) Deflate the shock strut.
WARNING: DO NOT REMOVE THE VALVE BODY UNLESS YOU DEFLATE THE SHOCK
_______ STRUT FULLY. THE AIR PRESSURE CAN BLOW THE VALVE OUT AND CAUSE INJURY TO PERSONS.
(a) Remove the valve cap and loosen the outer nut no more than two turns.
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本文链接地址：747-400 AMM 飞机维护手册 起落架 LANDING GEAR 1(104)
