12-21-04
ALL ú ú 05 Page 353 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
PORTAL LATCH FITTINGS DOOR HINGE SEEK SEEA
DRIVE PORTAL LATCHMECHANISM FITTINGS
SEE B SEE K
PORTAL LATCH MECHANISM
SEE J
DOOR
FITTINGS
SEE G
DOOR HINGE
FLUSH
MIL-G-23827
(1 LOCATI0N)
1 THE RIGHT SIDE HINGE IS HINGE IS THE SAME. SHOWN. THE LEFT SIDE 1 POINT
A 1
Figure 315 (Sheet 1) Nose Cargo Door
C72242
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-21-04
ALL ú ú 04 Page 354 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
FLEXIBLE DRIVE SHAFT 2
MIL-G-23827 (1 LOCATION)
BALL NUT ZERK
MIL-G-23827
(1 LOCATION)
DISCONNECT FLEXIBLE POWER SHAFT AND PULL DRIVE CORE OUT OF HOUSING BEFORE LUBRICATING
2
747-400 MAINTENANCE MANUAL
GEARBOX SEE E
DRIVE MECHANSIM 2 POINTS
B
SEE D
1 POINT
C
TO LUBRICATE BALLNUT ROTATE BALLNUT TO EXPOSE LUBE FITTING THRU ACCESS HOLE. LUBRICATE WITH -A- GREASE UNTIL GREASE COMES OUT EITHER END OF BALLNUT. REMOVE EXCESS
D
Nose Cargo Door
Figure 315 (Sheet 2)
BALL NUT SEE C
SLIDING JOINT SPRAY BMS 3-23 (1 LOCATION)
C72248
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-21-04
ALL ú ú 04 Page 355 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
UPPER OIL
FILL PLUG
E
Nose Cargo Door
Figure 315 (Sheet 3)
C72256
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-21-04
ALL ú
ú 04 Page 356
ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
DOOR LATCH
FITTING
(16 LOCATIONS)
SEE I
PUSH-PULL CAM PUSH-PULL CAM
FLUSH SEE H
DOOR FITTINGS
MIL-G-23827 G
(1 LOCATION)
PUSH-PULL CAM
FLUSH
MIL-G-23827
(1 LOCATION)
2 POINTS
H
FITTING DOOR LATCH FLUSH
3 FITTINGS ON THE DOOR THERE ARE SIXTEEN DOOR LATCH I 1 POINT 3 MIL-G-23827 (1 LOCATION)
Nose Cargo Door Figure 315 (Sheet 4)
C72263
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-21-04
ALL ú ú 03 Page 357 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
PORTAL LATCH MECHANISM
(EXAMPLE)
2 POINTS
4
THERE ARE SIXTEEN PORTAL LATCH
MECHANISMS ON THE BODY STRUCTURE
4
Nose Cargo Door
Figure 315 (Sheet 5)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 中國航空網 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 SERVICING 2(42)
