747-400 AMM 飞机维护手册 SERVICING 2(12)

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A-A FWD 4 POINTS  BEARING TRUNNION OUTBOARD  A BEARING TRUNNION OUTBOARD  FWD OUTBD  STRUT SHOCK 
1  A 2 POINTS STRUT (NOT SHOWN). ONE MORE LUBE POINT IS ON THE OUTBOARD SIDE OF THE SHOCK Body Landing Gear Brace and Support Lubrication Figure 307 (Sheet 1) 

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747-400
MAINTENANCE MANUAL

INBOARD TRUNNION BEARING

. .
.
Body Landing Gear Brace and Support Lubrication
Figure 307 (Sheet 2)

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747-400
MAINTENANCE MANUAL

SIDE BRACE
SEE C
SEE B
SEE D

SEE F
LOWER

SEE A
DRAG
STRUT

SEE E
SEE G
SEE I
SEE H
SIDE
DRAG STRUT
BRACE
ZERK
BMS 3-33
(2 LOCATIONS)
LOWER DRAG STRUT
OUTER CYLINDER BUSHING
1  ONE MORE LUBE POINT IS 2 ON THE OPPOSITE SIDE
(2 LOCATIONS)(NOT SHOWN).
2  BUSHINGS WITH PAINTED WITNESS LINE (OR EQUIVALENT IDENTIFICATION MARK),
10 POINTS
DO THESE STEPS:
. LUBRICATE THE JOINT

.  APPLY BMS 3-23 OR BMS 3-26 A
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

Body Landing Gear Lower End Lubrication Figure 308 (Sheet 1)
SHOCK
STRUT
UNIVERSAL ZERK
BMS 3-33 (2 LOCATIONS)
UPLOCK ROLLER ZERK 1 BMS 3-33 (4 LOCATIONS)
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MAINTENANCE MANUAL

UNIVERSAL ZERK OUTER CYLINDER SIDE BMS 3-33
BUSHING BRACE
(2 LOCATIONS)
2 (2 LOCATIONS)
SIDE BRACE  LOWER 
BUSHING  DRAG STRUT 
SIDE BRACE  DRAG STRUT 
ZERK  ZERK 
2 
(2 LOCATIONS)  BMS 3-33  FWD  BMS 3-33 
(2 LOCATIONS)  (2 LOCATIONS) 

10 POINTS
B
TRUNNION
SIDE BRACE BUSHING
2 (2 LOCATIONS)
SIDE BRACE ZERK
2  BUSHINGS WITH PAINTED WITNESS LINE (OR EQUIVALENT IDENTIFICATION MARK), FWD
DO THESE STEPS: BMS 3-33 . LUBRICATE THE JOINT
(1 LOCATION)
.  APPLY BMS 3-23 OR BMS 3-26 COMPOUND, POINT THE SPRAY AROUND
3 POINTS
THE BUSHING FLANGE BETWEEN THE BUSHING AND THE MATING LUG SURFACE.
.  LUBRICATE THE JOINT AGAIN TO REMOVE C
ALL COMPOUND FROM THE JOINT
Body Landing Gear Lower End Lubrication Figure 308 (Sheet 2)
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747-400
MAINTENANCE MANUAL

YOKE BUSHING  YOKE 
YOKE BUSHING 
ZERK 
STEERING CYLINDER 
2  BMS 3-33  ZERK 
2 
(2 LOCATIONS)  (2 LOCATIONS)  3 (2 LOCATIONS)  BMS 3-33 
1  (5 LOCATIONS) 
1  4 
STEERING CYLINDER  YOKE  YOKE 
ZERK 
ZERK 
BMS 3-33  4 
BMS 3-33 
(5 LOCATIONS) 
(1 LOCATION) 
　
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