S 643-016

 (3)  
Lubricate the spoiler differential mechanism (Fig. 304).

 E. Put the Airplane Back to Its Usual Condition
 S 093-017
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1)  Do this task: "Wing Landing Gear Door Lock Removal"
 (Ref 32-00-30/201).

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A
747-400
MAINTENANCE MANUAL

INBOARD FLIGHT SPOILER
SEE A
OUTER HINGE BOLTS
SEE C
OUTER HINGE BOLTS
SEE C
FWD
POWER CONTROL
PACKAGE

SEE B
INBOARD FLIGHT SPOILER (EXAMPLE 2 LOCATIONS)
A
Inboard Flight Spoiler Servicing (Lubrication) Figure 301 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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747-400
MAINTENANCE MANUAL

ACTUATOR INPUT ROD
FLUSH
MIL-G-23827 (2 LOCATIONS) 1
LEFT WING IS SHOWN (RIGHT WING IS THE SAME)
2 POINTS
B
OUTER HINGE BOLTS
ZERK
MIL-G-23827
(1 LOCATION ON EACH
OUTER HINGE, 2 HINGES
ON EACH SPOILER)
1 POINT
C
OPEN THE ACCESS PANEL
FOR LUBRICATION

1
Inboard Flight Spoiler Servicing (Lubrication) Figure 301 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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747-400
MAINTENANCE MANUAL

OUTBOARD FLIGHT SPOILERS
SEE A
OUTER HINGE SEE C
OUTER HINGE
SEE C
POWER CONTROL
PACKAGE

SEE B
FWD
OUTBOARD FLIGHT SPOILER (EXAMPLE 8 LOCATIONS)
A
Outboard Flight Spoilers Servicing (lubrication) Figure 302 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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747-400
MAINTENANCE MANUAL

ACTUATOR INPUT ROD
FLUSH
MIL-G-23827 (2 LOCATIONS)
OUTER HINGE BOLTS  2 POINTS 
ZERK 
MIL-G-23827  B 
(1 LOCATION ON EACH OUTER HINGE; 2 HINGES ON EACH SPOILER) 

1 POINT C Outboard Flight Spoilers Servicing (Lubrication) Figure 302 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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747-400
MAINTENANCE MANUAL

GROUND SPOILER SEE A
OUTER HINGE BOLTS
SEE B
OUTER HINGE BOLTS 
ZERK  OUTER HINGE 
BOLTS 
MIL-G-23827  SEE  B 
(1 LOCATION ON EACH OUTER 
HINGE; 2 HINGES ON EACH SPOILER) 
GROUND SPOILER 
(LEFT WING IS SHOWN, RIGHT WING THE SAME)
A 

1 POINT B
Ground Spoiler Servicing (Lubrication) Figure 303
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