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 (8)
 Install the nut (74) and tighten.

 (9)
 Put the pushbutton (73) in position.

 (10)
 Install the bolt (72). Tighten the bolt and safety it with BONDING AND ADHESIVE COMPOUNDS (Material No. 08-013A).

 (11)
 Put the handle (71) in position.

 (12)
 Install the set screws (70). Tighten them and safety with BONDING AND ADHESIVE COMPOUNDS (Material No. 08-013A).

 Subtask 56-12-12-720-051
 B. Test
 (1) Do the functional test of the mechanism to make sure that it operates correctly.
 5. Close-up
________
 Subtask 56-12-12-865-055

 A. Remove the safety clip(s) and the tag(s) and close this(these) circuit
 breaker(s): R 1DG1, 1DG2, 4DG1, 4DG2, 5DG1, 5DG2, 5SQ1, 5SQ2.
 Subtask 56-12-12-942-051
 B. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Remove the access platform(s).

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 CABIN WINDOWS - DESCRIPTION AND OPERATION
_________________________________________
 1. General_______
 The cabin windows are installed along the fuselage sides between the frames.
 The outer surface of the window is in line with the outer surface of the
 fuselage.
 2. Description___________ 
R
 (Ref. Fig. 001) 
R 
R  The cabin window is made up of an inner pane, an outer pane and a seal. The
 window panes are made of stretched acrylic. 
R 
R  A vent hole through the inner pane lets the cabin pressure into the space
 between the inner and outer panes. The vent hole has to be at the bottom
 when the cabin window is installed. 
R 
R  The cabin window is attached to the window frame with a retainer, eye-bolts 
R  and nuts.

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 Window Assembly
 Figure 001
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1  1  Feb 01/98
 1  1
 1CES  1

 WINDOW - CABIN - REMOVAL/INSTALLATION
_____________________________________ TASK 56-21-13-000-001 Removal of the Cabin Window
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific cotton gloves No specific lint-free cloth No specific access platform 3.0 m (9 ft. 10 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
25-23-43-000-001 Removal of the Upper Sidewall Panel(s) 56-21-13-991-004 Fig. 401 56-21-13-991-010 Fig. 402
 3. Job Set-up
__________ Subtask 56-21-13-010-052
 A. Get Access
 (1)
 Put the access platform in position below the window you will remove.

 (2)
 In the cabin, remove the upper sidewall panels as necessary (Ref. TASK 25-23-43-000-001).

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 4. Procedure
_________

 (Ref. Fig. 401/TASK 56-21-13-991-004, 402/TASK 56-21-13-991-010) Subtask 56-21-13-020-052
 A. Removal:
 (1)
 Remove the retainer attach nuts (4) and the retainer (3). NOTE : Do not damage the protective surfaces of the retainer.

____

 (2)
 Remove the window assembly (2) from the window frame (1). NOTE : You must wear cotton gloves when you touch the window panes,

____
 components and assemblies.

 (3)
 If you must disassemble the window assembly (2), you must do the subsequent:

 (a) Remove the outer pane (6) from the rubber seal (7). (b) Remove the inner pane (8) from the rubber seal (7). NOTE : Put the panes on a soft, lint-free cloth.
____
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 Cabin Window
　
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