Emergency-Exit-Markers
 33-51-16-400-001 Installation of the Emergency Exit Sign

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 CES  -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------

52-21-11-400-001 Installation of the Emergency Exit Hatch
 **ON A/C 001-049, 051-099, 101-149, 201-299,
 25-23-47-991-002 Fig. 403 R **ON A/C 151-199, 401-499,
 25-23-47-991-002-A Fig. 403A R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 3. Job Set-up
__________
 Subtask 25-23-47-860-075

 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the access platform is in position on the related emergency exit hatches.

 (2)
 Make sure that the ground service network is energized (Ref. TASK 24-42-00-861-001)

 (3)
 Clean the component interface and/or the adjacent area.

 (4)
 Do an inspection of the component interface and/or the adjacent area.

 (5)
 Make sure that the parts retained from the removed component are clean and in the correct condition.

 Subtask 25-23-47-210-057
 B. Get Access
 (1)
 Make sure that the switch 4WL on the panel 25VU is in the OFF position.

 (2)
 Make sure that the switch LIGHT EMER on the panel 120RH is in the OFF position.

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 CES

 (3) Make sure that the warning notices are in position on the panels 25VU and 120RH to tell persons not to operate the switches 4WL and LIGHT EMER.
 4. Procedure
_________ **ON A/C 001-049, 051-099, 101-149, 201-299,
 Subtask 25-23-47-420-051
 A. Installation of the Upper Sidewall Panel Assy 241CW (242CW) (6) and/or 241LW (242LW) (14) (Ref. Fig. 403/TASK 25-23-47-991-002)
 NOTE : The installation procedure for the LH and the RH upper sidewall
____
 panel are the same.

 (1) Put the upper sidewall panel assy 241CW (242CW) (6) and/or 241LW (242LW) (14) in position on the brackets (7) and on the yo-yo rolls and push it down.
 NOTE : Make sure that the upper sidewall panel assy 241CW (242CW) (6)
____ and/or 241LW (242LW) (14) engage correctly.
 (2)
 Install the washers (9) and the screws (10).

 (3)
 Put the washers (5) in position and install the screws (4).

 (4)
 Put the lining strip (13) in position and push it down between the upper sidewall panel assy 241CW (242CW) (6) and 241LW (242LW) (14).

 NOTE : Make sure that the lining strip (13) engages coccectly.
____
 (5) Put the lining strip(s) (8), (15) in position on the the lower end of the sidewall panel assy 241CW (242CW) (6) and/or 241LW (242LW) (14) and the adjacent panel and push it up.
 NOTE : Make sure that the lining strip(s) (8), (15) engage correctly.
____
 (6)
 Install the wall-mounted emergency markers (Ref. TASK 33-51-13-400-001)

 (7)
 Installation of the Inner Window Pane (11) NOTE : Do an inspection of the component interface and/or the

____
 adjacent area.

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 CES

 (8)
 If necessary clean the inner window pane (11) and inboard of the
 outer window pane.

 (9)
 Clean the Inner Window Pane (11)

 (a)
 Clean the inner window pane (11) and inboard of the outer window pane with clean warm water.

 (b)
 Make sure that the window panes are free from abrasive particles.

 (c)
 Clean the inner window pane (11) and inboard of the outer window pane with a weak solution of soap and water. Use a clean sponge chamois leather

 (d)
 Remove the soap solution with clean warm water.

 (e)
 Dry the components with a clean chamois leather.

 (f)
 If stains or dirt marks remain, you must remove them with plastic cleaner SPECIAL MATERIALS (Material No. 05-010)

 (g)
 Remove the plastic cleaner with clean water.

 (h)
 Apply anti-static treatment to the window panes. NOTE : Mix 7-parts plastic cleaner SPECIAL MATERIALS (Material

____
 No. 05-010) with 60-parts of water.

 (i)
 Apply the plastic cleaner solution to the window panes.
　
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