LATCH CAM SHAFT
FLUSH
MIL-G-23827  LATCH CAM
(2 LOCATIONS) 8 MIL-G-23827
(1 LOCATION)
8
CENTERING 
ROLLER 
ZERK 
SEE  I  4 POINTS  MIL-G-23827 
H  (1 LOCATION) 

LATCH CAM  LATCH CAM SHAFT FLUSH 
MIL-G-23827  MIL-G-23827 
8  IS SHOWN. FOUR OTHER LATCH ONLY ONE LATCH CAM SHAFT CAM SHAFTS ARE NOT SHOWN  (1 LOCATION) 8  2 POINTS I  (1 LOCATION) 8 
Figure 314 (Sheet 6) Side Cargo Door 

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 12-21-04
 ALL  ú ú 03 Page 351 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 TASK 12-21-04-603-026
 12. Nose Cargo Door Lubrication
____________________________
 A. Standard Tools and Equipment
 (1)  
Grease Gun

 (2)  
Oil Squirt Can

 (3)  
PRE65B13015 - Safety Barrier, Nose Cargo Door

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

 (2)  
Corrosion Prevention Compound - BMS 3-23

 (3)  
Hydraulic Oil - MIL-H-5606

 C. Access
 (1)  Location Zone
 801 Nose Cargo Door

 D. Procedure (Fig. 315)
 S 423-043
 WARNING: MAKE SURE TO INSTALL THE SAFETY BARRIER AND BE CAREFUL WHEN YOU
_______ ARE NEAR THE DOOR OPNING. IF YOU FALL THROUGH THE DOOR OPENING, INJURY WILL OCCUR.
 (1)  
Install the safety barrier across the door opening.

 S 863-025

 (2)  
Open the nose cargo door to get access to the components.

 S 863-052

 (3)  
Open these circuit breakers and attach DO-NOT-CLOSE tags:

 (a)  
On the Auxilary External 2 Power Center-Right panel P715: 1) NOSE CARGO DOOR

 (b)  
On the Power Distribution Center-Right panel P415: 1) 415F16, NOSE CARGO DOOR CONTROL

 (c)  
On the Nose Cargo Door Power panel H122: 1) DOOR LIFT 2) PULL UP CAM 3) LATCHES 1-4R 4) LATCHES 1-4L 5) LATCHES 5-8R 6) LATCHES 5-8L

 (4)  
Lubricate the components as shown in Fig. 315.

 S 863-031

 (5)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
On the Auxilary External 2 Power Center-Right panel P715: 1) NOSE CARGO DOOR

 (b)  
On the Power Distribution Center-Right panel P415: 1) 415F16, NOSE CARGO DOOR CONTROL

 S 643-030
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 12-21-04
 ALL  ú ú 03 Page 352 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (c)  On the Nose Cargo Door Power panel H122: 1) DOOR LIFT 2) PULL UP CAM 3) LATCHES 1-4R 4) LATCHES 1-4L 5) LATCHES 5-8R 6) LATCHES 5-8L
 S 863-032
 (6)  
Fully close and latch the nose cargo door.

 S 093-033

 (7)  
Remove the safety barrier across the door opening.

 TASK 12-21-04-603-027
 13. Upper Deck Crew Service Door Lubrication
_________________________________________
 A. Standard Tools and Equipment
 (1)  
Grease Gun

 (2)  
Maintenance Stand

 B. Consumable Materials
 (1)  Grease - MIL-G-23827
 C. Access
 (1)  Location Zone
 849R Upper Deck Crew Service Door

 D. Procedure (Fig. 316)
 S 943-045
 (1)  Put a maintenance stand directly outboard of the crew service door.
 NOTE: A maintenance stand is not necessary if a safety
____ barrier will be installed across the door opening.
 S 013-062
 (2)  Remove the door lining.
 S 423-044
 WARNING:_______BE CAREFUL WHEN YOU ARE NEAR THE DOOR OPENING. IF YOU FALL THROUGH THE DOOR OPENING, INJURY WILL OCCUR.
 (3)  Install a safety barrier across the crew service door opening.
　
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