S 094-084
 WARNING: CAREFULLY REMOVE THE LEADING EDGE SLAT ACTUATOR LOCKOUT SET.
_______ THE LEADING EDGE SLATS CAN MOVE QUICKLY IF YOU DO NOT INSTALL THE LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (25)
 Remove the leading edge slat actuator lockout set from the actuators of the leading edge slats (AMM 27-81-00/201).

 (26)
 Pressurize hydraulic system B (AMM 27-81-00/201).

 S 864-086

 (27)
 Move the flap control lever to 1-unit detent.

 (a)  
Make sure the amber TRANSIT lights on the leading edge annunciator panel come on while the slats extend.

 S 864-085
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 27-81-44
 ALL  ú ú 03 Page 409 ú Jul 12/01
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737-300/400/500MAINTENANCE MANUAL
 (b)  
Make sure the amber TRANSIT lights go out when the slats are extended.

 (c)  
Make sure the green EXT lights come on when the slats are extended.

 S 864-087
 (28)
 Move the flap control lever to the FLAP UP detent.

 (a)  
Make sure the TRANSIT annunciator lights come on while the slats retract.

 (b)  
Make sure that all the lights on the annunciator panel go out when the slats are fully retracted.

 S 864-088
 (29) Release the pressure from hydraulic system B (AMM 27-81-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
 LEADING EDGE SLAT UP SWITCH - REMOVAL/INSTALLATION
__________________________________________________
 1.  General_______
 A.  The leading edge slat up switch is installed in the inner bullnose of the fixed leading edge. There is one slat up switch for each leading edge slat. When the leading edge slat is retracted, a magnet on the inner cove of the slat actuates the switch to the open position. When the slat is extended, the magnet moves with the slat and away from the switch and causes the switch to close.
 B.  There are two tasks in this procedure. There is a task for the removal and a task for the installation of the slat up switch on the leading edge slat.
 TASK 27-81-45-004-001
 2.  Leading Edge Slat Up Switch Removal___________________________________

(2 LOCATIONS)
Leading Edge Slat Up Switch Figure 401
B68114
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 27-81-45
 EDGE SLAT UP SWITCH  ú ú 01 Page 401 ú Mar 12/00
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A
737-300/400/500MAINTENANCE MANUAL
 A. References
 (1)  
AMM 27-81-00/201, Leading Edge Flap and Slat Control System

 B.
Access

 (1)  
Location Zone
 302 Wing Outboard Leading Edge with Slats, LH
 303 Wing Inboard Leading Edge with Slats, LH
 402 Wing Outboard Leading Edge with Slats, RH
 403 Wing Inboard Leading Edge with Slats, RH

 C.
Procedure

 S 864-010
 (1)  Pressurize hydraulic system B (AMM 27-81-00/201).
 S 864-011
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LEADING
_______ EDGE FLAPS AND SLATS. THE LEADING EDGE FLAPS AND SLATS WILL EXTEND. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)  
Move the flap control lever to the 10-unit detent to fully extend the flaps and slats.

 S 864-012

 (3)  
Open this circuit breaker and attach the DO-NOT-CLOSE tag:

 (a)  
P6 Circuit Breaker Panel
 1) MASTER DIM INDICATOR SECT 6
　
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