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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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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