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MAINTENANCE MANUAL

CABLE 
ATTACHMENT  CABLE DRUM 
BALANCE 
CABLES 
BMS 3-24 
(2 LOCATIONS) 
SPRING 
TUBE 
FWD 
2 POINTS 
C 

Bulk Cargo Door
Figure 312 (Sheet 3)

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L08164
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747-400 MAINTENANCE MANUAL
 TASK 12-21-04-603-043
 10. Forward/Aft Cargo Doors Lubrication___________________________________
 A. Standard Tools and Equipment
 (1)  
Maintenance Stand (Necessary to lubricate the forward/aft cargo door)

 (2)  
Grease gun

 (3)  
Oil Squirt Can

 B. Consumable Materials
 (1)  
D00013 Grease, MIL-G-23827

 (2)  
D00093 Oil - General Purpose, Low Temperature, MIL-L-7870

 (3)  
D00133 Oil - Instrument/Aircraft, MIL-L-6085

 C. Access
 (1)  
Location Zone (Forward/Aft Cargo Doors) 122 Forward Cargo Container Compartment, Forward Half 142 Aft Cargo Container Compartment

 (2)  
Access Panel (Forward/Aft Cargo Doors)
 821R Door - Forward Cargo Compartment
 822R Door - Aft Cargo Compartment

 D. Lubricate the Forward/Aft Cargo Door (Fig. 313)
 S 493-062
 (1)  
Put the maintenance stand immediately outboard of the forward/aft cargo door.

 S 013-063

 (2)  
Move the forward/aft cargo door to approximately 20 degrees of the full open position.

 (3)
Lubricate the forward/aft cargo door as shown in Figure 313.

 (4)  
Close the forward/aft cargo door.

 S 093-048

 (5)  
Remove the maintenance stand immediately outboard of the forward/aft cargo door.

 S 643-061
 S 413-047
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747-400 MAINTENANCE MANUAL
SEE D
SEE G
SEE F
SEE B
FORWARD AND AFT CARGO DOOR
HINGE
INTERNAL VIEW 1
SEE E
MASTER LATCH LOCK HANDLE
SEE A
A
A
MANUAL RELEASE PLUNGER
2
FORWARD AND AFT CARGO DOOR EXTERNAL VIEW FWD
1 THE FORWARD DOOR IS SHOWN, THE AFT DOOR IS THE SAME
2 THE MANUAL RELEASE PLUNGER IS ON THE FORWARD END OF THE FORWARD CARGO DOOR. ON THE AFT CARGO DOOR IT IS ON THE AFT END OF THE DOOR.
Forward/Aft Cargo Door Figure 313 (Sheet 1)
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MAINTENANCE MANUAL

Forward/Aft Cargo Door
Figure 313 (Sheet 2)

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MAINTENANCE MANUAL

LATCH CAM SHAFT 
LATCH CAM  SEE  C  2 POINTS  MIL-G-23827 FLUSH 
MIL-G-23827  B  (1 LOCATION) 3 
　
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