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33-51-11
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 862-032
(2) Quickly set the emergency lights switch to the usual position.
(a) Make sure the emergency lights go off.
S 862-033
(3) If it is necessary, charge the batteries for the emergency lights (AMM 33-51-51/201).
TASK 33-51-11-002-004
3. Exit Sign - Lamp Assembly Removal (Fig. 201)_________________________________
A. References
(1)
SSM 33-51-00
(2)
WDM 33-51-11 thru 33-51-31
B. Access
(1) Location Zone
100 Upper Half of Fuselage
C. Procedure
S 032-034
(1) Remove the lens assembly.
(a)
For a lens with release holes, push a wire in each release hole and remove the lens.
(b)
For a lens with release buttons, push each release button with your fingers and remove the lens.
(c)
For a lens without release holes or buttons, pull off the lens.
(d)
EXIT SIGN ABOVE AN OVERWING ESCAPE HATCH; Do these steps: 1) Push a wire in the release hole and pull off the lens. 2) Remove the screws from each end of the opening for the lens
and pull off the cover.
(e)
EXIT SIGN ABOVE A PAIR OF OVERWING ESCAPE HATCHES; Do these steps: 1) Push a wire in the release hole and pull off the lens. 2) Remove the screws from each end of the opening for the
lens. 3) Push a wire in the release hole at each end of the cover and remove the cover.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
4) Disconnect the electrical wires from the terminal block at each end of the housing.
NOTE: Make sure you identify the position of each wire
____ before you disconnect it.
S 022-035
(2)
Remove the screws and washers that hold the lamp assembly to the housing.
S 022-004
(3)
Disconnect the electrical connector.
TASK 33-51-11-402-007
4. Exit Sign - Lamp Assembly Installation (Fig. 201)
______________________________________
A. References
(1)
AMM 24-22-00/201, Manual Control
(2)
AMM 33-51-51/201, Power Supply
(3)
SSM 33-51-00
(4)
WDM 33-51-11 thru 33-51-31
B. Access
(1) Location Zone
100 Upper Half of Fuselage
C. Lamp Assembly Installation
S 422-036
(1)
Connect the electrical connector.
S 422-035
(2)
Install each screw, washer, and bracket that holds the lamp assembly to the housing.
S 432-008
(3)
FOR AN EXIT SIGN NOT INSTALLED ABOVE AN OVERWING ESCAPE HATCH; Push the lens against the light assembly until it latches.
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33-51-11
ALL ú ú 01 Page 204 ú Mar 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
S 432-000
(4) EXIT SIGN ABOVE AN OVERWING ESCAPE HATCH;
Do these steps:
(a)
Install the screws on each end of the lens opening.
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