FWD OUTBD
ACCESS PANEL
COLORED STEADY
BASE RETAINING
POSITION LIGHT
SCREW (2 LOCATIONS)
A
GASKET SILVER PART OF THE LAMP
TERMINAL
LENS RETAINING SCREW WITH A PRESSURE NUT
LOCKWIRE LAMP
BASE
LENS RETAINER INBD LENS
INDEX PIN
FWD
COLORED STEADY POSITION LIGHT
B
1
IF INSTALLED
Steady Position (Navigation) Lights Figure 401 (Sheet 1)
COLORED STEADY
POSITION LIGHT
SEE B
MOUNTING
BRACKET
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
WHITE STEADY POSITION LIGHT
D
Steady Position (Navigation) Lights Installation
Figure 401 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 024-003
(3) Remove the colored light.
(a)
Disconnect the electrical wires from the terminals of the colored light.
(b)
Loosen the captive retaining screws that hold the base of the colored light.
(c)
Remove the base.
(d)
If it is necessary, remove the lamp (AMM 33-43-11/201).
(e)
Remove the lockwire from each lens retaining screw.
(f)
Remove the lens retaining screws.
(g)
Remove the lens retainer and the lens.
TASK 33-43-11-404-026
3. Colored Steady Position Light - Installation (Fig. 401)
____________________________________________
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)
AMM 33-43-11/201, Steady Position (Navigation) Lights
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. Light Installation
S 434-005
(1) Install the lens.
(a)
Put the lens in its retainer.
(b)
Hold the lens and its retainer in the bracket in the wingtip.
NOTE: For the left wingtip, make sure the index pin hole is
____ on the bottom. For the right wingtip, make sure the index pin hole is on the top.
(c) Install each lens retaining screw and its lockwire.
S 964-006
(2) If it is necessary, replace the lamp (AMM 33-43-11/201).
(a)
Hold the light base in its position with the index pin in the hole in the lens.
(b)
Tighten the base retaining screws.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(c) Connect the electrical wires to the terminals.
WARNING: MAKE SURE YOU SEAL THE TERMINAL TO PREVENT AN EXPLOSION OF
_______ THE FUEL FUMES. AN EXPLOSION CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(d) Do this task: "Seal the Open Terminals" (AMM 20-10-47/201).
D. Light Test
S 864-007
(1)
Supply electrical power (AMM 24-22-00/201).
S 864-008
(2)
Remove each DO-NOT-CLOSE or DO-NOT-OPERATE tag.
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