(b)  
Push the lens against the cover until the lens latches.

 S 432-001
 (5)  EXIT SIGN ABOVE A PAIR OF OVERWING ESCAPE HATCHES;
 Do these steps:

 (a) Connect the electrical wires to each terminal block.
 NOTE: Make sure you connect each wire in its initial
____
 position.

 (b)  
Push the cover against the light assembly until it latches.

 (c)  
Install the screws on each end of the lens opening.

 (d)  
Push the lens against the cover until the lens latches.

 D. Exit Sign Test
 S 712-010
 (1)  At the overhead panel, P5, or the attendant's panel, set the emergency lights switch to the on position.
 NOTE: Keep a record of the time that the emergency lights are on.
____
 (a)  In the least possible time, make sure the exit sign comes on correctly.
 S 862-002
 (2) Quickly set the emergency lights switch to the usual position.
 (a)  Make sure the emergency lights go off.
 S 862-003
 (3)  If it is necessary, charge the batteries for the emergency lights (AMM 33-51-51/201).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 33-51-11
 ALL  ú ú 01 Page 205 ú Nov 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 AISLE LIGHTS - MAINTENANCE PRACTICES
____________________________________
 1.  General_______
 A.  The procedure has these tasks for an aisle light (referred to as the light):
 (1)  
Aisle Light - Lamp Replacement

 (2)  
Aisle Light - Removal

 (3)  
Aisle Light - Installation

 TASK 33-51-21-962-001
 2.  Aisle Light - Lamp Replacement (Fig. 201)______________________________
 A.  References
 (1)  
AMM 33-51-51/201, Power Supply

 (2)  
SSM 33-51-00

 (3)  
WDM 33-00-01

 (4)  
WDM 33-51-11 thru 33-51-31

 B.  Access
 (1)  Location Zone
 100 Upper Half of Fuselage

 C.  Lamp Replacement
 S 022-028
 (1)  
Push a wire into the hole at the bottom of the lens and remove the lens.

 S 962-017

 (2)  
Carefully replace the lamp.

 S 432-018

 (3)
Push the lens into its position until it is fully engaged.

 D.  Lamp Test
 S 862-004
 (1)  At the overhead panel, P5, or the attendant's panel, set the emergency lights switch to the on position.
 NOTE: Keep a record of the time that the emergency lights are on.
____
 (a)  In the least possible time, make sure the new lamp comes on correctly.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 33-51-21
 ALL  ú ú 01 Page 201 ú Nov 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
EMERGENCY

RELEASE HOLE
AISLE LIGHT
Aisle Lights
Figure 201

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 33-51-21
 ALL  ú ú 01 Page 202 ú Mar 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 862-005
 (2) Quickly set the emergency lights switch to the usual position.
 (a)  Make sure the emergency lights go off.
 S 862-006
 (3)  If it is necessary, charge the batteries for the emergency lights (AMM 33-51-51/201).
 TASK 33-51-21-002-005
 3.  Aisle Light - Removal (Fig. 201)_____________________
 A. References
 (1)  
AMM 25-23-61/201, Passenger Service Units (PSUs)