a) Apply sealant to fill the cracks or replace sealant removed for check (no more steps are necessary).
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747-400 MAINTENANCE MANUAL
SEE SEE A B SEE STRUT UPPER JURY F
SEE D
RETRACT ACTUATOR FLUSH
SEE C STRUT DRAG UPPER SEE E SHOCK STRUT (1 LOCATION) BMS 3-33
1 POINT
SUPPORT STRUCTURE
ZERK JURY STRUT
BMS 3-33 SUPPORT STRUCTURE
(1 LOCATION)
1 POINT
A
Body Landing Gear Upper End Lubrication
Figure 306 (Sheet 1)
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MAINTENANCE MANUAL
5 POINTS
ONE MORE LUBE POINT IS ON THE OPPOSITE SIDE (NOT SHOWN).
Body Landing Gear Upper End Lubrication Figure 306 (Sheet 2)
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747-400
MAINTENANCE MANUAL
DOWNLOCK BUNGEE
GROUND LOCK
ZERK
BMS 3-33
DOWNLOCK BUNGEE
(1 LOCATION)
ZERK
BMS 3-33
(1 LOCATION)
LOWER JURY STRUT
DOWNLOCK BUNGEE
LOWER
2 POINTS
DRAG STRUT
JURY STRUT ZERK
D
BMS 3-33
(1 LOCATION)
DOWNLOCK JURY ACTUATOR STRUT
JURY STRUT
DOWNLOCK
ZERK BUNGEE
1
BMS 3-33 UPPER
(2 LOCATIONS) DRAG STRUT
DRAG STRUT APEX
STRUT DRAG LOWER 2 DRAG STRUT BMS 3-33 ZERK
1 OPPOSITE SIDE (NOT SHOWN). ONE MORE LUBE POINT IS ON THE 11 POINTS (8 LOCATIONS)
2 ON EACH END THERE IS A GROUP OF FOUR FITTINGS E
Figure 306 (Sheet 3) Body Landing Gear Upper End Lubrication
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UPPER DRAG STRUT DOWNLOCK ACTUATOR B
A B
A
LOWER JURY STRUT STRUT LOWER JURY F UPPER JURY STRUT
ACTUATOR DOWNLOCK DOWNLOCK ACTUATOR (1 LOCATION) BMS 3-33 ZERK STRUT DRAG
DOWNLOCK ACTUATOR (1 LOCATION) BMS 3-33 ZERK ACTUATOR DOWNLOCK
LOCKPIN DOWNLOCK ACTUATOR ZERK
A-A 1 POINT B-B 2 POINTS (1 LOCATION) BMS 3-33
Body Landing Gear Upper End Lubrication Figure 306 (Sheet 4)
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A 747-400 MAINTENANCE MANUAL
SEE TRUNNION A
SEE C
SEE B SIDE BRACE
AFT
OUTBD
A STRUCTURE SUPPORT
STRUCTURE SUPPORT
TRUNNION BEARING ZERK OUTER CYLINDER ZERK
(4 LOCATIONS) BMS 3-33 1 (2 LOCATIONS) BMS 3-33
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