SEE G
Main Entry Door No. 5
Figure 304 (Sheet 1)
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747-400
MAINTENANCE MANUAL
LATCH ROLLER FLUSH
BMS 3-24 (1 LOCATION) 1
1 POINT
A
TORQUE TUBE
CENTER BEARING
OR
BMS 3-24
1 POINT
(1 LOCATION)
2
B
1 THERE ARE FOUR LATCH ROLLERS FOR EACH DOOR.
2 FILL THE EMPTY SPACE ABOVE THE BEARING, BETWEEN THE SHAFT AND THE BEARING HOUSING. THIS WILL HELP KEEP WATER OUT OF THE BEARING.
Main Entry Door No. 5 Figure 304 (Sheet 2)
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747-400 MAINTENANCE MANUAL
GUIDE ARM
GUIDE ARM FLUSH
BMS 3-24 (1 LOCATION)
1 POINT
HINGE ARM
C3
LOWER BEARING HINGE ARM OR
BMS 3-24 (1 LOCATION)
2
BELL CRANK FLUSH
BMS 3-24 (1 LOCATION)
4 5
HINGE FLAP
2 POINTS
D
2 FILL THE EMPTY SPACE ABOVE THE BEARING, BETWEEN THE SHAFT AND THE BEARING HOUSING. THIS WILL HELP KEEP WATER OUT OF THE BEARING.
3 THE DOOR IS FULLY OPEN IN THIS VIEW.
YOU MUST USE A 90 DEGREE FITTING TO LUBRICATE THE BELL CRANK.
4
OPEN THE DOOR APPROXIMATELY 90 DEGREES. PULL THE HINGE FLAP OUTBOARD TO GET AT THE FLUSH-TYPE FITTING.
5
Main Entry Door No. 5
Figure 304 (Sheet 3)
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747-400 MAINTENANCE MANUAL
HINGE ARM UPPER AND LOWER BEARING
OR BMS 3-24 (1 LOCATION) 2
BEARING UPPER AND LOWER HINGE ARM
OR BMS 3-24 (1 LOCATION) 2 2 POINTS FWD
E 3
UPPER BEARING HINGE ARM
OR BMS 3-24 (1 LOCATION) 2
1 POINT
F
2 3 THE DOOR IS FULLY OPEN IN THIS VIEW. HELP KEEP WATER OUT OF THE BEARING. FILL THE EMPTY SPACE ABOVE THE BEARING, BETWEEN THE SHAFT AND THE BEARING HOUSING. Figure 304 (Sheet 4) Main Entry Door No. 5 THIS WILL
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747-400
MAINTENANCE MANUAL
SHAFT FITTING SPLINED FLUSH BALL AND SPLINED SHAFT
(1 LOCATION) BMS 3-24 G 3 POINTS (2 LOCATIONS) BMS 3-24
DOOR DISARMING CABLE TERMINAL
(2 LOCATIONS) BMS 3-24 6
6 7 AND COCKING CRANK ROLLERS. ACCESS COVER TO GET TO THE LATCHING YOU MUST REMOVE THE CONTROL CAM OF THE CABLE. BALL AND SEAT AT THE TWO ENDS LUBRICATE THE CABLE TERMINAL CONTROL CAM COCKING CRANK LATCHING AND ROLLERS (2 LOCATIONS) ACCESS COVER (4 LOCATIONS) BOLT Main Entry Door No. 5 Figure 304 (Sheet 5) BMS 3-24 FLUSH H 4 POINTS 7
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A 747-400 MAINTENANCE MANUAL
SPROCKET BEARING
HOUSING. THIS WILL HELP KEEP WATER OUT OF THE BEARING
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