5C8  Forward Left Windscreen Installation 
Jun 20/85  Figure 401 (Sheet 2) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  25-24-112 Page 403 

D. Install Upper Unit, if applicable
(1)
Position upper unit on top of lower unit with wedges along mating surfaces engaged.

(2)
Push upper unit outboard until wedges and upper support fitting are fully engaged.

(3)
Align holes of support fittings on upper and lower units and insert locking pins to full depth.

NOTE:  Center plug of locking pin must be held in depressed position to retract retaining balls at tip of pin.
5C8 
25-24-112 Page 404  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Jun 20/85 

FORWARD RIGHT WINDSCREEN - REMOVAL/INSTALLATION

EFFECTIVITY
ALL EXCEPT ATI Interior Airplanes
1.  Remove Windscreen (Fig. 401)
A.  Open NO SMOKING and SEAT BELT circuit breakers on panel P18.
B.  Remove stored articles and emergency equipment from windscreen bustle.
C.  Remove screws securing plates to windscreen feet in floor tracks and remove plates.
D.  Loosen screw and allow pin to drop down out of ceiling receptacle.
E.  Move bottom of windscreen slightly aft and lift each track attachment foot to free windscreen from floor tracks.
F.  Disconnect wire bundle at top of windscreen.
G.  Remove windscreen by sliding inboard until windscreen clears outboard support arm.
H.  If necessary, remove feet from windscreen by removing pin attaching each foot to windscreen partition.
2.  Install Windscreen (Fig. 401)
A.  If previously removed secure windscreen feet to windscreen partition with pin.
B.  Slide windscreen outboard over support arm on air conditioning extrusion.
C.  Swing bottom of windscreen forward and insert each track attachment foot into seat track.
D.  Secure plates to windscreen feet with screws.
E.  Insert pin into ceiling receptacle and secure locking screw.
F.  Install emergency equipment in bustle.
G.  Connect wire bundle at top of windscreen.
H.  Close NO SMOKING and SEAT BELT circuit breakers on panel P18.
5C8
Jun 20/85 25-24-123 Page 401
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.

 Forward Right Windscreen Installation  530 
25-24-123  Figure 401  Feb 20/84 
Page 402 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

AFT LEFT WINDSCREEN - REMOVAL/INSTALLATION
EFFECTIVITY
Standard Passenger Airplanes Without ATI Interior
1.  Interior Remove Windscreen (Fig. 401)
A.  Open NO SMOKING and SEAT BELT circuit breakers on circuit breaker panel P18.
B.  Remove equipment from windscreen as required.
C.  Remove top attachment.
(1)  
Open aft lowered ceiling access door to gain access to bolts securing top attachment plate.

(2)  
Remove bolts through top attachment plate and pull plate upward through slot in lowered ceiling panel.

(3)  
Close aft lowered ceiling access door.

D.  On forward attachments loosen nuts on studs securing windscreen partition track fittings to floor tracks.
E.  On aft attachment remove screw securing plate to windscreen feet in floor tracks and remove plate from attachment.
F.  Disconnect electrical wiring to windscreen as required.
G.  Move windscreen slightly aft until track fittings are free from floor track. Remove windscreen.
H.  If required, remove outboard support from sidewall extrusion.
I.  If necessary disconnect bustle assembly from windscreen by removing attachment screws. Remove bustle assembly.
J.  If necessary, remove feet from windscreen by removing pin attaching each foot to windscreen partition.
5C8
Jun 20/85 25-24-131 Page 401
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.

K92154 K92157
Aft Left Windscreen Installation  557 
25-24-131 Page 402  Figure 401 (Sheet 1) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  May 01/76 

541  Aft Left Windscreen Installation 
May 01/74  Figure 401 (Sheet 2) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  25-24-131 Page 403 

2.  Install Windscreen (Fig. 401)
A.  If previously removed, secure windscreen feet to windscreen partition with pin.
B.  If previously removed, position the cabinet assembly properly on the forward face of
　
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