(2)  
G32011-1 - Oversize Gland Nut Wrench Adapter (Airplanes with oversize gland nut)

 (3)  
7MIT65B01211-1 - Lower Gland Seal Split Guide

 (4)  
21MIT65B01211-1 - Gland Seating Tool BG, WG, NG

 (5)  
2MIT65B01201 - Lower Bearing Seal Retainer Puller

 (6)  
747MLG-1100 - Compression Strap; Flex-e-ON Inc., 30600 Solon Industrial Pkway, Solon, Ohio 44139

 (7)  
747MLG-1200 - Seal Guide Ring; Flex-e-ON Inc., 30600 Solon Industrial Pkway, Solon, Ohio 44139

 (8)  
747MLG-1300 - Installation Ram; Flex-e-ON Inc., 30600 Solon Industrial Pkway, Solon, Ohio 44139

 C.  
Standard Tools and Equipment

 (1)  
Grease gun

 (2)  
Drip tray with 25-gallon minimum capacity

 (3)  
Cloth padding for inner cylinder surface protection

 D.  
Consumable Materials

 (1)  
D00633 Grease - BMS 3-33 (preferred)

 (2)  
D00013 Grease - MIL-G-23827 (optional)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

747-400
MAINTENANCE MANUAL

SEE C SEE A
SHOCK STRUT
CYLINDER OUTER 
OUTER CYLINDER  PRESSURE GAGE 
OIL VALVE (A CHECK VALVE) 
SEE  B  CYLINDER INNER YOKE 
SHUTOFF FLOW FUSE (FOR EMERGENCY SHUTOFF) VALVE  A 
B  CYLINDER INNER YOKE  C  AIR VALVE 
Shock Strut for the Wing Landing Gear Figure 801 

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 ALL  ú ú 01A Page 802 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
1.  FOLLOWER
OIL VALVE
A
8.  ACTIVE DYNAMIC SEAL
SEE A
A
11. BACKUP RINGS
SEE A
6.  
ACTIVE STATIC SEAL

7.  
BACKUP RINGS

12. LOWER BEARING
4.  SPARE DYNAMIC SEALS
3.  SPARE STATIC SEALS
"A"
2. OUTER 
(BLACK NYLATRON) BACKUP RING  ACTIVE SEAL  O-RING PACKING  CYLINDER 
(EXAMPLE)  (EXAMPLE)  1  13.  INNER 
CYLINDER 
12. LOWER 
BACKUP RING  BEARING 
(WHITE TEFLON) 
(EXAMPLE) 

MAKE SURE THE POSITION OF "B"
9.
GLAND NUT
THE RADIUS IS CORRECT. BACKUP RING
A-A
CYLINDER(BLACK NYLATRON) OR PISTON(EXAMPLE) (EXAMPLE)
ACTIVE SEAL AND BACKUP RING INSTALLATION
A
O-RING PACKING INSTALLED BY VENDOR FOR SHIPMENT;
NOT REQUIRED FOR AIRPLANE OPERATIONS.
IF REMOVED, DOES NOT HAVE TO BE REINSTALLED

1
Shock Strut Seal Details for the Wing Landing Gear Figure 802
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 ALL  ú ú 01A Page 803 ú Feb 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL 
OUTER CYLINDER 
A  INSTALLATION RAM HANDLE (2 LOCATIONS) STROKE 
(3 LOCATIONS) THUMB SCREW  A  YOKE SEAL GUIDE RING COMPRESSION RING ASSEMBLY COMPRESSION STRAP LOWER BEARING GLAND NUT INNER CYLINDER 
A-A 
HOSE ASSEMBLY 
JACKS 
PUMP BOGIE HYDRAULIC JACK SET Figure 803 (Sheet 1) Shock Strut Seal Replacement Tools for the Wing Landing Gear 

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