(3)  
WDM 33-43-01

 B.  Access
 (1)  Location Zone
 101 Control Cabin - Left
 102 Control Cabin - Right

 C.  Procedure
 S 865-002
 (1)  
Supply electrical power (Ref 24-22-00/201).

 S 715-003

 (2)  
At the overhead panel, P5, set the switch for the steady position lights to the on position.

 (a)  Make sure the steady position lights come on.
 S 715-021
 (3)  AIRPLANES WITH AN "ON BATTERY" POSITION ON THE SWITCH; Set the switch to this position.
 (a)  Make sure the steady position lights come on again.
 S 715-022
 (4)  AIRPLANES WITH A "STROBE AND STEADY" POSITION ON THE SWITCH; Set the switch to this position.
 WARNING: DO NOT LET THE STROBE POSITION LIGHTS FLASH DIRECTLY IN
_______ YOUR EYES. THE INTENSITY OF THE LIGHT CAN CAUSE YOU NOT TO SEE TEMPORARILY.
 (a)  Make sure the steady position lights come on again.
 S 715-017
 (5)  
Set the switch to the off position.

 (a)  Make sure the position lights go off.

 (6)  
Remove electrical power if it is not necessary (AMM 24-22-00/201).

 S 865-018
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 33-43-00
 ALL  ú ú 01 Page 501 ú Nov 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 STEADY POSITION (NAVIGATION) LIGHTS - MAINTENANCE PRACTICES
___________________________________________________________
 1.  General_______
 A. This procedure contains these tasks for the steady position light:
 (1)  
The replacement of the lamp in a red or green steady position light (referred to as a colored light).

 (2)  
The replacement of the lamp in a white steady position light (referred to as a white light).

 B.  The colored lights are in each wingtip behind a window (Fig. 201). The wingtip is sealed to stop fuel fumes and water.
 (1)  To replace the lamp in a colored light, you remove the access panel below the wingtip. You do not remove the window.
 TASK 33-43-11-962-002
 2.  Colored Steady Position Light - Lamp Replacement (Fig. 201)________________________________________________
 A.  References
 (1)  
AMM 20-10-47/201, Seal the Open Terminals in the Fuel Vapor Areas

 (2)  
AMM 24-22-00/201, Manual Control

 (3)  
SSM 33-40-03

 (4)  
WDM 33-00-01, Lamp Usage Chart

 (5)  
WDM 33-43-01

 B.  Access
 (1)  
Location Zone
 301 Left Wing Tip
 401 Right Wing Tip

 (2)  
Access Panels
 7176 Left Wingtip Access Panel
 7576 Right Wingtip Access Panel

 C.  Lamp Replacement
 S 862-006
 (1)  Do one of these steps to remove electrical power from the colored steady position light:
 (a)  Open each applicable circuit breaker and attach the DO-NOT-CLOSE tag: 1) On the load control center panel, P18.
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 33-43-11
 ALL  ú ú 03 Page 201 ú Nov 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
COLORED STEADY POSITION LIGHTS (RED)
SEE A
WHITE STEADY POSITION LIGHT
SEE C
WHITE STEADY COLORED STEADY
POSITION LIGHT POSITION SEE C
LIGHTS (GREEN) WINDOW  COLORED STEADY POSITION LIGHT
SEE A SEEB 1 WINGTIP STROBE POSITION LIGHT (REF)
1
FWD OUTBD
ACCESS PANEL
COLORED STEADY
BASE RETAINING
POSITION LIGHT
SCREW
(2 LOCATIONS)

A
GASKET SILVER PART OF THE LAMP
TERMINAL
LENS RETAINING SCREW
PRESSURE NUT
LAMP BASE
LENS RETAINER LENSINBD INDEX PIN
COLORED STEADY POSITION LIGHT
FWD
1
　
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