PSU Installation  5C9 
25-23-611 Page 202  Figure 201 (Sheet 1) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Feb 20/89 

5C9  PSU Installation 
Feb 20/89  Figure 201 (Sheet 2) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  25-23-611 Page 203 

5. Install PSU (Fig. 201)
NOTE: To assure proper location of oxygen, gasper and reading lights the distance allowed

between seat reference line and oxygen masks reference line is 21.5 inch (max) 10.5 inch (min).
Oxygen masks reference line must not fall forward of seat back in the fully reclined position (to distinguish a deployed oxygen mask for the occupant).
Seat reference line is taken from point where seat back contacts seat cushion.
Oxygen masks reference line is taken from center of the deployed oxygen masks.
A.  Position outboard edge of PSU on air outlet extrusion (section A-A).
B.  Attach clamps to holes in air outlet extrusion by depressing plungers.
C.  Attach lanyard to nearest hole on support structure (detail A).
D.  Connect gasper air duct and electrical connector.
E.  Attach wire-bundle/gasper-hose bracket 7-1/2 +4 inches forward of the aft edge of the PSU panel.
CAUTION:  ENSURE THAT THE WIRE-BUNDLE/GASPER-HOSE BRACKET IS 7-1/2 +4 INCHES FORWARD OF THE AFT EDGE OF THE PSU PANEL. THE WIRE-BUNDLE/GASPER-HOSE BRACKET MAY CUT THE OXYGEN HOSE IF THE BRACKET IS TOO CLOSE TO THE OXYGEN GENERATOR.
F.  Activate oxygen generator and remove safety pin (detail B) (Ref 35-21-11).
CAUTION:  ENSURE SAFETY PIN IS REMOVED, SO THAT GENERATOR WILL BE OPERATIVE IN EMERGENCY.
G.  Raise PSU to closed position and check that automatic latches have engaged.
6.  Restore Airplane to Normal
A.  Restore electrical power (Ref 24-22-0 MP).
B.  Check for correct operation of electrical devices in PSU's.
C.  Remove electrical power if no longer required.
7.  Spacer Panel Removal/Installation (Fig. 201)
A.  Remove Spacer Panel
(1)  
Lower PSU on either side of spacer panel per par. 4.A.

(2)  
Loosen wing nuts on inboard side while supporting panel.

(3)  
Rotate clamps to clear support structure.

(4)  
Rotate panel down and remove retaining springs from holes in air outlet extrusion.

(5)  
Remove spacer panel.

B.  Install Spacer Panel
(1)  
Loosen wing nuts and rotate clamps to clear support structure.

(2)  
Insert retaining springs in index holes on air outlet extrusion.

(3)  
Apply pressure in outboard direction and rotate panel upward.

(4)  
Rotate clamps to engage support structure and tighten wing nuts.

(5)  
Raise adjacent PSU's to closed position and check to ensure that automatic latches have engaged.

5C9 
25-23-611 Page 204  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Feb 20/89 

PASSENGER CABIN PARTITIONS AND COMPARTMENTS - DESCRIPTION AND OPERATION
1.  General
A.  Partitions are provided in the airplane to separate different classes of accommodation, provide protection from weather at the doorways, and to form closets and compartments as required. Where possible, advantage is taken of the floor tracks and overhead support structure for attachment purposes. For movable partitions, this permits adjustment in increments of 1 inch forward and aft.
B.  The outer edges of the partitions and compartments are shaped to the sides of the fuselage and the inner edges are vertical at the aisle. The aisle may be closed at the class partition by a curtain. Partitions adjacent to seats are shaped at the bottom to give required foot room (Fig. 1).

5C8  Partitions and Compartments Locations 
Jun 20/85  Figure 1  25-24-0 
Page 1 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

C.  Partitions and compartment panels are made up of a fire resistant honeycomb core with a fiberglass facing and are vinyl covered for decorative purposes.
2.  Windscreens
A.  Windscreens are installed in the passenger cabin to provide protection from weather at an entry and galley doorways. There are four windscreens, two are installed just forward of the two aft doors and two on the aft side of the two forward doors.
3.  Coat Closets
A.  A coat closet with stowage space above is located at the extreme aft end of the cabin between the aft lavatory and the aft galley. The closet is provided with a hinged door.
　
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