S 864-075

 (15)
 Remove hydraulic power, if it is no longer required (AMM 29-11-00/201).

 S 864-049

 (16)
 Remove electrical power, if it is no longer required (AMM 24-22-00/201).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-13-01
 ALL  ú ú 03 Page 421 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 864-076
 (17) Lower the airplane and remove the jacks (AMM 07-11-01/201).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-13-01
 ALL  ú ú 04 Page 422 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 BODY LANDING GEAR - INSPECTION/CHECK
____________________________________
 1.  General_______
 A.  This procedure contains a task to measure the fit of the inboard and outboard trunnion bearings on the body landing gear.
 B.  To do this procedure you must remove the body landing gear.
 TASK 32-13-01-206-001
 2.  Body Landing Gear Inspection (Fig. 601)____________________________
 A.  References
 (1)  
20-11-01/401, Bearings and Bushings

 (2)  
32-13-01/401, Body Landing Gear

 (3)  
IPC 32-13-01

 B.  
Access

 (1)  
Location Zone
 755 Body Landing Gear, LH
 765 Body Landing Gear, RH

 C.  
Procedure

 S 026-002
 (1)
Do this task: "Body Landing Gear Removal" (Ref 32-13-01/401).

 S 216-006

 (2)  
Do an external inspection of the components for the body landing gear.

 (a)  
Examine the shock strut, the drag strut, the side brace, and the wheel truck for corrosion and damage.

 (b)  
Examine all of the pin connections on the body landing gear for corrosion and damage.

 S 226-003
 (3)
Examine the fits of the inboard and outboard trunnion bearings.

 (a)  
Measure the parts at the locations shown in figure 601.

 (b)  
Compare the measured dimensions to the wear limits in figure

 601.

 (c)  
If a part is not in tolerance, replace the part if you cannot repair it.

 (4)  
Do this task: "Body Landing Gear Installation" (Ref 32-13-01/401).

 S 426-004
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-13-01
 ALL  ú ú 01 Page 601 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL 
JURY STRUT  SEE  A 
SEE  B 
STRUT SHOCK 
DRAG STRUT  SIDE BRACE  SUPPORT TRUNNION INBOARD 
TRUCK WHEEL  HALF BUSHING UPPER 
FWD  A  TRUNNION 
SEALANT BUSHING CAP BEARING  TRUNNION  TRUNNION BUSHING/3. B  BUSHING LOWER BUSHING HALF KEY  A 
BEARING CAP  CAP BEARING 
4. TRUNNION/BUSHING 
A-A  A 
Wear Limits for the Body Landing Gear Figure 601 (Sheet 1) 

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-13-01
 ALL  ú ú 01 Page 602 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

OUTBOARD
TRUNNION SUPPORT

B
OUTBOARD TRUNNION
BEARING

B
TRUNNION
TRUNNION BEARING RETAINER
BEARING KEY
SEAL
　
中國航空網(wǎng) m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 起落架 LANDING GEAR 2(131)