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A
747-400
MAINTENANCE MANUAL
Cargo Door Sling
Figure 404
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MAINTENANCE MANUAL
DOOR UP SWITCH
E
HOOK LATCH PIN FITTING
LATCH CAM AND
LATCH PIN
SEE
C SEE
F
CLEARANCE BETWEEN THE RAMP FITTING AND THE ROLLER FITTING
Forward/Aft Cargo Door
Figure 405 (Sheet 1)
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MAINTENANCE MANUAL
LATCH PINS
Forward/Aft Cargo Door Figure 405 (Sheet 2)
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A 747-400 MAINTENANCE MANUAL
SWITCH
DOOR
INBD
AIRPLANE LEVELED ON JACKS AIRPLANE ON GEAR; ZERO PAYLOAD
Forward/Aft Cargo Door Figure 405 (Sheet 3)
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A 747-400 MAINTENANCE MANUAL
BEARING
SPACER TO INSTALL ON THE SHOULDER OF THE HOOK PIN
B-B
ALIGNMENT OF THE CAM AND THE LATCH PIN. THE MINIMUM CLEARANCE BETWEEN THE LATCH CAM AND THE LATCH PIN IS 0.002 INCH. SECTION C-C SHOWS THE USE OF A DUMMY LATCH PIN TO GET THE NECESSARY CLEARANCE.
Forward/Aft Cargo Door Figure 405 (Sheet 4)
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MAINTENANCE MANUAL
1
2
DOORWAY
LOWER SILL
3
LATCH PIN INSTALLATION DIRECTION
4
(EXAMPLE)
SEE G
5
FWD
6
7 LATCH PIN INSTALLATION LOCATION
F
8
DOORWAY LOWER SILL
CORRECT LATCH PIN DIRECTION
FITTINGS 1,3,5, AND 7
RETAINING CLIP
1
LATCH PINS
FITTINGS 2,4,6, AND 8
CORRECT LATCH PIN FWD DIRECTION
LATCH PIN INSTALLATION DIRECTION (EXAMPLE)
NOTE:NUMBERS ADJACENT TO LATCH PIN FITTINGS G
DENOTE LATCH POSITIONS.
1
AIRPLANES WITH LATCH PIN RETAINING CLIP.
Forward/Aft Cargo Door
Figure 405 (Sheet 5)
F81876
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