S 024-007

 (2)  
Remove the slide pack from the chute.

 (a)  
Remove the cotter pins and disconnect the cover release lanyards from the base.

 (b)  
Disconnect the gas hose at the fitting next to the slide pack.

 (c)  
Pull the packboard manual release handle.

 (d)  
Release the plate that attaches the packboard to the chute extension panel.

 (e)  
Lift and move the slide pack inboard at the base to get access to the girt bar.

 (f)  
Pull the retaining ring and remove the girt bar from the chute.

 NOTE: If you only change the slide pack ,keep the girt bar for
____
 the new slide.

 S 024-008
 (3)  
Move the slide pack inboard off the base.

 S 024-009

 (4)  
Remove the base and the chute assembly.

 (a)  
Remove the stop from the forward end of the inboard track.

 (b)  
Unlock the base from the track.

 (c)  
Move the base forward approximately 0.90 inch.

 (d)  
Lift the base from the tracks.

 TASK 25-68-02-404-010
 3. Install the Floor Mounted Escape Slide Assembly (Fig._______________________________________________401)
 A. Special Tools and Equipment
 (1)  Crew Service Door Safety Barrier - 6PRE65B00040
 B. References
 (1)  AMM 25-68-04/201, Stored Gas Bottle
 C. Access
 (1)  
Location Zone
 224 Fwd Upper Deck, RH

 (2)  
Access Panel
 849R Upper Deck Emergency Door, RH

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 25-68-02
 ALL  ú ú 02 Page 402 ú Feb 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

CHUTE EXTENSION BACKBOARDPANEL SEPARATION LANYARD
SEE A
TERMINAL FITTING
SEE B
FLOOR-MOUNTED ESCAPE SLIDE RING
STOWAGE CLIP
UPPER DECK COMPARTMENT
RING AND STOWAGE CLIP A1
ESCAPE SLIDE PACK
PACKBOARD
CHUTE EXTENSION
INFLATION  PANEL
FIRING CABLE
RING AND
STOWAGE CLIP
SEE A1
SHROUD
SLIDE INFLATION
STORED GAS BOTTLE GIRT BAR RETAINER
SEE C CHANNEL
SEE D
CHUTEINBD FWD GIRT BAR RETAINING RING
GAS HOSE DISCONNECT FITTING
SWIVEL FITTINGFLOOR
TRACKS
BASE ASSY (PLATFORM)
SLIDE IN OPERATION-READY POSITION
A

Floor-Mounted Escape Slide Installation
Figure 401 (Sheet 1)

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 25-68-02
 ALL  ú ú 02 Page 403 ú Jun 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
B40518
A
747-400 MAINTENANCE MANUAL
CHUTE EXTENSION PANEL AND PACKBOARD LOCKING PLATE
MANUAL
ENTRY DOORWAY INFLATION
HANDLE FLOOR TRACK FLOOR TRACKSNOTE:SHEAR PLUNGER SHROUD INSTALLEDRELEASE KNOB
ON SOME AIRPLANES NOT SHOWN
PACKBOARD 
CHUTE 
BASE ASSEMBLY 
(PLATFORM) 
SLIDE PACK COVER 
SHROUD  RELEASE CABLE  FWD  INBD 
ASSIST HANDLE  FLOOR 
PACKBOARD MANUAL  RAMP 
RELEASE HANDLE 

SLIDE IN OPERATION-READY POSITION B
MANUAL INFLATION HANDLE OUTBOARD HINGED SECTIONBOTTLE FIRING LANYARD RETAINER RETAINER PIN
SPRING (2 LOCATIONS)
INFLATION GAS SUPPLY
CABLE ASSEMBLIES HOSE (2 LOCATIONS)SAFETY PIN STOWAGE CONTAINER
INBOARD
HINGED STOREDSECTION GAS BOTTLE
CRADLE SUPPORT ASSEMBLY BASE ASSEMBLY (PLATFORM) FWD
INBD
C
Floor-Mounted Escape Slide Installation Figure 401 (Sheet 2)
B40538
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