RIGHT SIDE
LEFT SIDE BRACE
BRACE
SHOCK STRUT
SIDE BRACE ZERK
BMS 3-33
SIDE BRACE ZERK (3 LOCATIONS)
BMS 3-33
(3 LOCATIONS) UP
6 POINTS
B
UPPER TORSION LINK
ZERK
BMS 3-33
(2 LOCATIONS)
UPPER TORSION LINK
LOWER TORSION LINK LOWER TORSION LINK
ZERK ZERK BMS 3-33 BMS 3-33
(2 LOCATIONS) (3 LOCATIONS)
LOWER
TORSION LINK
FWD
7 POINTS
C
Nose Landing Gear Lower End Lubrication
Figure 304 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-21-01
ALL ú ú 01 Page 309 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
STEERING CYLINDER SHOCK
ZERK
STRUT
1 BMS 3-33 1 (4 LOCATIONS) 4
STEERING COLLAR
UPPER SUPPORT ZERK PLATE
STEERING CYLINDER
BMS 3-33 (2 LOCATIONS)
3 BMS 3-23 SHOCK STRUT
LOWER ZERK
FORWARD SUPPORT (4 LOCATIONS)
STEERING COLLAR ROD END PLATE 2 SHOCK BMS 3-33
STRUT (2 LOCATIONS)
ZERK
AFT STEERING
COLLAR
FWD BMS 3-33
12 POINTS (2 LOCATIONS)
6
D
SHOCK STRUT LOWER
ZERK TORSION LINK
BMS 3-33
2 POINTS
(2 LOCATIONS)
E
SUPPORT PLATE
SUPPORT PLATE ZERK
ZERK
BMS 3-33 BMS 3-33
(2 LOCATIONS) (2 LOCATIONS)
5 5
LEFT STEERING RIGHT STEERING ACTUATOR ACTUATOR
6 POINTS
F
1 ONE MORE LUBE POINT IS ON THE 4 A GREASE GUN WITH A 90 DEGREE FITTING OPPOSITE SIDE (NOT SHOWN). IS NECESSARY FOR THIS LOCATION.
2 APPLY THE LUBRICANT BETWEEN THE 5 RESTRICT GREASE FLOW RATE TO NO MORE SUPPORT PLATES AND THE ACTUATOR. THAN 0.65 POUND/MIN IF POWER GREASE GUN IS USED.
A GREASE GUN WITH A FLEXIBLE TUBE IS NECESSARY FOR THIS LOCATION.
3
6 NOT INSTALLED ON ALL AIRPLANES.
Nose Landing Gear Lower End Lubrication Figure 304 (Sheet 3)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-21-01
ALL ú ú 01 Page 310 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
BELLCRANK SUPPORT DOOR ACTUATOR VALVE (REF) DOOR SEQUENCE
BELLCRANK AFT DOOR BELLCRANK
DRIVE CRANK
SEE B
WHEEL WELL
SEE A
FWD
FLAPPER DOOR AFT DOOR PUSHROD SEE C
FWD 1 2 MIL-L-7870 (2 LOCATIONS)
5 POINTS 1 2 MIL-L-7870 (3 LOCATIONS)
A
1 2 APPLY SMALL QUANTITIES OF LUBRICANT TO THE HINGE BUSHINGS. LUBRICATION THE LEFT DOOR IS SHOWN. THE RIGHT DOOR IS SIMILAR MAKE THE SURFACES DRY WITH A CLEAN CLOTH AFTER YOU DO THE
Figure 305 (Sheet 1) Nose Landing Gear Wheel Well Doors Lubrication
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-21-01
ALL ú ú 01 Page 311 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
DIFFERENTIAL RODS SAFETY VALVE FLUSH
(3 LOCATIONS) BMS 3-33
FORWARD DOOR ACTUATOR BELLCRANK
BELLCRANK SUPPORT FITTING
DOOR OPERATOR RODS (3 LOCATIONS) BMS 3-33 FLUSH OPERATOR ROD
BELLCRANK
OPERATOR RODS FLUSH
RODS OPERATOR 3 (8 LOCATIONS) BMS 3-33
TRUNNION DRIVE CRANK B 11 POINTS FORWARD DOORS
FWD 3 POINTS AFT DOORS
C
3 2 LUBE POINTS ON EACH ROD END Nose Gear Doors Lubrication Figure 305 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址:747-400 AMM 飞机维护手册 SERVICING 2(9)