CHUTE EXTENSION PANEL AND PACKBOARD LOCKING PLATE
ENTRY DOORWAY FLOOR TRACKS
FLOOR TRACK
SHEAR PLUNGER
RELEASE KNOB

MANUAL INFLATION HANDLE
NOTE:
SHROUD INSTALLED AROUND STORED GAS CHUTE
BOTTLE ON SOME AIRPLANES NOT SHOWN
BASE ASSEMBLY
(PLATFORM) SLIDE PACK COVER RELEASE CABLE FWD INBDSHROUD FLOORASSIST RAMP
HANDLE RESTRAINT BAYONET PACKBOARD MANUAL
PACKBOARD RECEPTACLE
RELEASE HANDLE

SLIDE IN OPERATION-READY POSITION
B B
PIVOT
MANUAL SUPPORT REGULATOR
INFLATION HANDLE

BOTTLE FIRING OUTBOARD HINGED LANYARD RETAINER SECTION
INFLATION GAS SUPPLY HOSE
CABLE ASSEMBLY
(2 LOCATIONS) MANUAL INFLATION HANDLE LOCK RELEASE CABLE ASSEMBLY
RETAINER PIN
SPRING (2 LOCATIONS) SAFETY PIN STOWAGE CONTAINER STORED GAS BOTTLE
B
INBOARD
HINGED
SECTION

CRADLE
SUPPORT
ASSEMBLY

FWD BASE ASSEMBLY
SLIDE INFLATION
(PLATFORM)
FWD

STORED GAS BOTTLE
C
Floor-Mounted Escape Slide Operational Test
Figure 501 (Sheet 2)

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B40514
A

747-400
MAINTENANCE MANUAL

CHUTE 
ESCAPE SLIDE  MANUAL 
GAS SUPPLY  MANUAL INFLATION 
HOSE  INFLATION  HANDLE 
HANDLE 
LOCK CONTROL 
ESCAPE  CABLE 
SLIDE 
GIRT 
GIRT 
BAR 
INFLATION 
ACTUATION 
CABLE 
ENTRY 
DOORWAY  SWIVEL 
FITTING  PACK COVER 
RELEASE CABLE 
SHROUD 
RAMP 
PLATE 
FLOOR RAMP 
ESCAPE SLIDE DEPLOYED 
D 

Floor-Mounted Escape Slide Operational Test
Figure 501 (Sheet 3)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
B40516
A
747-400
MAINTENANCE MANUAL

INFLATION ACTUATION 
CABLE BRACKET ASSEMBLY 
LOCKING NUT OUTER  REGULATOR BOTTLE 
SUPPORT 
ASSEMBLY 
MANUAL 
INFLATION 
ESCAPE SLIDE AND  HANDLE 
CHUTE ASSEMBLY  CLEVIS 
BRACKET 
ASSEMBLY 
CRANK  SPRING 
MANUAL INFLATION  ASSEMBLY 
CONTROL CABLE HANDLE LOCK  ASSEMBLY CRANK 
INFLATION 
ACTUATION 
CABLE  CLEVIS 
INSPECTION 
HOLES  CLEVIS 
TERMINAL  JAMNUTS 
PIN  INFLATION 
ACTUATION 
CABLE 
MANUAL 
INFLATION 
HANDLE LOCK 
LOWER BRACKET  OUTER  INSPECTION  CONTROL CABLE 
ASSEMBLY  LOCKING NUT  HOLE  OUTER 
LOCKING 
A-A NUT 
UPPER 
BRACKET 
ASSEMBLY 

B-B
Floor-Mounted Escape Slide Operational Test Figure 501 (Sheet 4)
B40517
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 945-006-002
 (3)  
Make sure there is no equipment or personnel in the area where the slide will deploy.

 S 985-007-002

 (4)  
Remove the stored gas bottle safety pins.

 F. Procedure
 S 985-008-002
 (1)
Pull up the release handle to release the packboard from the base.
　
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