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A
747-400
MAINTENANCE MANUAL

DOWNLOCK DOWNLOCK BUNGEE
BUNGEE
ZERK
BMS 3-33  UPPER SIDE
STRUT

(1 LOCATION) DOWNLOCK BUNGEE ZERK
BMS 3-33
1 POINT
(2 LOCATIONS)
LOWER
G
JURY STRUT
UPPER SIDE STRUT
JURY
STRUT

UPPER SIDE
STRUT ZERK
JURY STRUT BMS 3-33 FWD
ZERK
(1 LOCATION)
BMS 3-33
(4 LOCATIONS)
3 POINTS
4
H
JURY STRUT
ZERK

BMS 3-33
(1 LOCATION)
LOWER SIDE
STRUT

5 POINTS
I
4 THIS IS A GROUP OF FOUR FITTINGS
Wing Landing Gear Upper End Lubrication
Figure 311 (Sheet 5)

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A
747-400
MAINTENANCE MANUAL

DOWNLOCK ACTUATOR ZERK 
LOWER SIDE STRUT  (2 LOCATIONS) BMS 3-33 
INBD  DOWNLOCK ACTUATOR 
2 POINTS J BUSHING JURY STRUT  SPINDLE AND JURY STRUT (2 LOCATIONS) ROYCO 11MS ZERK 
(2 LOCATIONS) 5 
5  . APPLY BMS 3-23 OR BMS 3-26 ALL COMPOUND FROM THE JOINT THE BUSHING FLANGE BETWEEN THE . LUBRICATE THE JOINT . LUBRICATE THE JOINT AGAIN TO REMOVE COMPOUND, POINT THE SPRAY AROUND BUSHING AND THE MATING LUG SURFACE. BUSHINGS WITH PAINTED WITNESS LINE (OR EQUIVALENT IDENTIFICATION MARK), DO THESE STEPS:  4 POINTS K  INBD UPPER JURY STRUT SHOCK STRUT 
Figure 311 (Sheet 6) Wing Landing Gear Upper End Lubrication 

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747-400 MAINTENANCE MANUAL
AFT TRUNNION BEARING
SUPPORT BEAM
SEE A
SHOCK STRUT
SEE B
FWD INBD
BEARING HOUSING
TRUNNION FORK
TRUNNION A
1 THIS IS A GROUP OF FOUR FITTINGS
2 BUSHINGS WITH PAINTED WITNESS LINE (OR EQUIVALENT IDENTIFICATION MARK), DO THESE STEPS: . LUBRICATE THE JOINT . APPLY BMS 3-23 OR BMS 3-26 COMPOUND, POINT THE SPRAY AROUND THE BUSHING FLANGE BETWEEN THE BUSHING AND THE MATING LUG SURFACE. . LUBRICATE THE JOINT AGAIN TO REMOVE ALL COMPOUND FROM THE JOINT
3 ONE MORE LUBE POINT IS ON THE OPPOSITE SIDE (NOT SHOWN).
A
DRAG BRACE
FWD
7 POINTS A
BEARING ZERK
BMS 3-33 (1 LOCATION)
DRAG BRACE BUSHING
3
2 (2 LOCATIONS)
DRAG BRACE ZERK
BMS 3-33 (4 LOCATIONS) 1
Wing Landing Gear Brace and Support Lubrication
Figure 312 (Sheet 1)

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TRUNNION FORK ZERK  A 747-400 MAINTENANCE MANUAL 
(3 LOCATIONS) BMS 3-33 
TRUNNION BEARING ZERK 
TRUNNION FORK TRUNNION FORK ZERK  TRUNNION  BEAM SUPPORT  4 (1 LOCATION) BMS 3-33 
(3 LOCATIONS) BMS 3-33 
6 POINTS A-A  B  AFT TRUNNION BEARING 
TRUNNION  B 
TRUNNION JOURNAL ZERK 
5 (1 LOCATION) BMS 3-33 
2 POINTS 
B 
5 4  LUBRICATE THE ASSEMBLY. USE ONLY BMS 3-33 GREASE. ARE CLOGGED, CLEAN THE HOLES BEFORE YOU THROUGH THE LUBRICATION HOLES. IF THE HOLES MAKE SURE THE GREASE FLOWS FREELY LOWER THE FLAPS TO GET ACCESS Wing Landing Gear Brace and Support Lubrication Figure 312 (Sheet 2) 

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