(b)  
Remove the mounting fasteners.

 (c)  
Remove the power supply.

 (d)  
Put the replacement power supply in its position and install the mounting fasteners.

 (e)  
Install the electrical connector on the power supply.

 (f)  
Install lockwire on power supply connector.

 S 862-032
 (2)  Remove the DO-NOT-CLOSE tag and close this circuit breaker:
 (a)  Load Control Center - Left, P18
 1) EMER EXIT LTS AND PWR

 S 712-007
 (3)  Do a test of the power supply.
 (a)  Push the test switch on the power supply. 1) Make sure all the emergency lights connected to the replacement power supply come on (SSM 33-51-00).
 2) Make sure that all the emergency lights go off automatically after approximately 1 minute.
 E. Put the airplane back to its usual condition.
 S 412-014
 (1)
Close the panels you opened to get access to the power supplies.

 S 862-028

 (2)  
If the battery pack in the replacement power supply is not fully charged, supply electrical power for 16 hours (AMM 24-22-00/201).

 NOTE: This will prepare the emergency lights for a flight of the
____
 airplane.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 33-51-51
 ALL  ú ú 02 Page 207 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 FLOOR PROXIMITY EMERGENCY LIGHTS - MAINTENANCE PRACTICES
________________________________________________________
 1.  General_______
 A.  This procedure has these tasks:
 (1)  
Aisle Locator Light - Lamp Replacement

 (2)  
Aisle Locator Light - Removal

 (3)  
Aisle Locator Light - Installation

 (4)  
Exit Indicator Sign - Lamp Replacement

 B.  This procedure is for aisle locator lights contained in a raceway, while the raceway is attached to the floor. To remove and install a raceway with its aisle locator lights, refer to AMM 25-27-31/401.
 TASK 33-51-81-962-006
 2.  Aisle Locator 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, Lamp Usage Chart

 (4)  
WDM 33-51-41 thru 33-51-99

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

 C.  Lamp Replacement
 S 032-046
 (1)  Carefully lift up the edge of the lens and remove it from the raceway.
 NOTE: Each lens with an arrow must be installed again with the
____ arrow pointed in the correct direction. Each colored lens must be installed in the correct location. Before you remove a lens with an arrow, identify the direction of the arrow. Before you remove a colored lens, identify its location.
 S 962-047
 (2)  Carefully replace the lamp.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH FLOOR ú

 33-51-81
 PROXIMITY EMERGENCY LIGHTS  ú ú 01 Page 201 ú Mar 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
LENS

AISLE LOCATOR LIGHT
(EXAMPLE)

Floor Proximity Emergency Lights - Installation
Figure 201

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH FLOOR ú

 33-51-81
 PROXIMITY EMERGENCY LIGHTS  ú ú 01 Page 202 ú Mar 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
E78584
A
737-300/400/500MAINTENANCE MANUAL
 S 032-048
　
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