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A 747-400 MAINTENANCE MANUAL
SIDE BRACE
LOWER DRAG STRUT
SEE A
SHOCK STRUT INNER CYLINDER
TRUCK BEAM
PIVOT BOLT
ZERK

1
ROYCO 11MS
(4 LOCATIONS)

1 ONE MORE LUBE POINT IS ON THE OPPOSITE SIDE (NOT SHOWN).
4 POINTS
A
Body Landing Gear Truck Beam Pivot Bolt Lubrication Figure 316
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

747-400
MAINTENANCE MANUAL

TRUCK BEAM
PIVOT BOLT
ZERK

ROYCO 11MS
1
(4 LOCATIONS)
OUTBD
4 POINTS
1 ONE MORE LUBE POINT IS ON THE OPPOSITE SIDE (NOT SHOWN).
Wing Landing Gear Truck Beam Pivot Bolt Lubrication Figure 317
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A
747-400 MAINTENANCE MANUAL
SEE B
TRUNNION
SEE C
LOWER
DRAG STRUT
SEE A
SHOCK STRUT
FWD
UPPER TRIPOD UPPER TRIPOD BRACE BRACE 1
ZERK
1
BMS 3-33LOWER TRIPOD BRACE
ZERK  (4 LOCATIONS)
BMS 3-33
SHOCK (1 LOCATION) STRUT
1
TRIPOD BRACE
1 ZERK
BMS 3-33
(4 LOCATIONS)
LOWER TRIPOD BRACE
9 POINTS
1
ONE MORE LUBE POINT IS ON THE
A
OPPOSITE SIDE (NOT SHOWN).
Nose Gear Pivot Brace Support, Trunnion Bearings, and Tripod Brace Lubrication
Figure 318 (Sheet 1)

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A

747-400
MAINTENANCE MANUAL

RETRACT 
RETRACT ACTUATOR  ACTUATOR 
FLUSH 
1 
BMS 3-33 
(2 LOCATIONS) 

RIGHT SIDE BRACE ZERK
BMS 3-33 (4 LOCATIONS)
2
LEFT SIDE BRACE ZERK
SHOCK STRUT BMS 3-33 (4 LOCATIONS)
2
10 POINTS
B
ZERK
BMS 3-33 (2 LOCATIONS) 3
TRUNNION SUPPORT (LEFT SIDE IS SHOWN, RIGHT SIDE IS EQUIVALENT)
2
THIS IS A GROUP OF FOUR FITTINGS.
2 POINTS
3
A GREASE GUN WITH A FLEXIBLE TUBE IS NECESSARY FOR THESE LOCATIONS
C
Nose Gear Pivot Brace Support, Trunnion Bearings, and Tripod Brace Lubrication Figure 318 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

SEEE  SEEB
WALKING BEAM
AFT TRUNNION BEARING
SEE D
SEE A
RETRACT
ACTUATOR JURY SEE CSTRUT SIDE STRUT
DRAG
BRACE
FWD
SHOCK
STRUT

WALKING BEAM WALKING BEAM SUPPORT
ZERK WALKING BEAMBMS 3-33 ZERK
(1 LOCATION)
2

BMS 3-33 (1 LOCATION) 2
WALKING BEAM RETRACT ACTUATOR
1 ZERK
BMS 3-33
(4 LOCATIONS) ACTUATOR 2
RETRACT FWD
1 ONE MORE LUBE POINT IS ON THE OPPOSITE SIDE (NOT SHOWN).
6 POINTS
2 TO GET ACCESS TO THE GREASE FITTINGS, OPEN PANELS 572AB ON THE LEFT SIDE
A
AND 672AB ON THE RIGHT SIDE.
Wing Gear Beam Pivot Points, Walking Beam Supports and Trunnion Bearings Lubrication Figure 319 (Sheet 1)
　
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