12-21-20
 ALL  ú ú 04 Page 341 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

5 POINTS

A

Outboard Trailing Edge Flap Fairing
Servicing (Lubrication)
Figure 308 (Sheet 2)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 12-21-20
 ALL  ú
 ú  04  Page 342
 ú  Feb 18/01 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

BOTTOM SIDE OF THE MOVABLE FAIRING (AMM 06-09-08/201)
Outboard Trailing Edge Flap Fairing
Servicing (Lubrication)
Figure 308 (Sheet 3)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 12-21-20
 ALL  ú
 ú  04  Page 343
 ú  Feb 18/01 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
OUTBOARD TRANSMISSION COUPLING
SEE F
SUPPORT COUPLINGS INBOARD TRANSMISSION
SEE G COUPLINGS
SEE E SUPPORT COUPLING
SEE G
ANGLE GEARBOX
AND COUPLINGS
SEE B
SLEEVE AND SLEEVE AND
TEFLON RETAINER
TEFLON RETAINER SEE H
SEE H
SUPPORT OUTBOARD
COUPLINGS
TRANSMISSION 
SEE  G  COUPLING 
SEE  F  SUPPORT  INBOARD 
COUPLINGS  TRANSMISSION 
SEE  G  COUPLINGS 
SEE  E 
NO COAST  FLAP POWER UNITS 
DRAG BRAKE  AND COUPLINGS 
COUPLINGS SEE D  SEE  A  SUPPORT COUPLINGS 
SEE  C 

SLEEVE AND
TEFLON RETAINER 1
SEE H ANGLE GEARBOX AND COUPLINGS
SEE B
ANGLE GEARBOX AND COUPLINGS
SEE B
NOTE: THE WHEEL WELL AREA AND LEFT WING ARE SHOWN. (THE RIGHT WING IS EQUIVALENT TO THE LEFT)
1TO GET ACCESS TO THE INBOARD GEARBOX COUPLING, REMOVE THE TORQUE TUBE SEAL AT THIS LOCATION
Trailing Edge Flap Drive System Servicing (Lubrication)
Figure 309 (Sheet 1)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 12-21-20
 ALL  ú ú 04 Page 344 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

747-400
MAINTENANCE MANUAL

FLAP POWER UNIT (GEARBOX)  COVERPLATE 
OR 
BMS 3-33 
3 (1 LOCATION) 
FLAP POWER UNIT (GEARBOX) 
BMS 3-33 COUPLING FLUSH  A 
COUPLING) 4 (3 LOCATIONS EACH 5  A 
7 POINTS 
A  2 

BMS 3-33 FLAP POWER UNIT OR (GEARBOX) (1 LOCATION) 3  2 POINTS DRAIN COVER FLAP POWER UNIT (GEARBOX) A-A  DRAIN COVER  BMS 3-33 FLAP POWER UNIT (GEARBOX) 3 (1 LOCATION) OR 
2  THE FLAP POWER UNIT FOR THE OUTBOARD TRAILING EDGE FLAPS IS EQUIVALENT THE FLAP POWER UNIT FOR THE INBOARD TRAILING EDGE FLAPS IS SHOWN 
3  2. 3. 4. 5. 6. 7. 1. REMOVE THE DRAIN COVERS (2 LOCATIONS) REMOVE THE COVERPLATE OVER THE WORM GEAR APPLY OR SPRAY APPROXIMATELY 1 TO 2 OUNCES OF GREASE DIRECTLY ON THE GEARS REMOVE EXCESSIVE GREASE FROM THE DRAIN COVER (THE DRAIN HOLE MUST BE CLEAR) OPERATE THE TRAILING EDGE FLAPS (HYDRAULICALLY) THROUGH ONE COMPLETE CYCLE REMOVE THE COVERPLATES AND APPLY OR SPRAY GREASE DIRECTLY ON GEARS AGAIN INSTALL COVERS 
NOTE:____  DO NOT FILL THE GEARBOX WITH GREASE. 
9. 8. REMOVE EXCESSIVE GREASE FROM THE DRAIN COVER (THE DRAIN HOLE MUST BE CLEAR) INSTALL COVERS 
4  FILL UNTIL GREASE FLOWS OUT THE ADJACENT LUBRICATION HOLE 
5  AN ADDITIONAL COUPLING IS ON THE OPPOSITE SIDE (NOT ILLUSTRATED) 

Trailing Edge Flap Drive System Servicing (Lubrication)
Figure 309 (Sheet 2)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
　
中國航空網 www.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(68)