S 434-032

 (7)
Install the backup support of the auxiliary track door (Fig. 401).

 S 714-033

 (8)  
Do a test of the proximity sensor (Ref 27-88-11/501).

 G.  
Put the Airplane Back to Its Usual Condition

 S 084-054
 WARNING: CAREFULLY REMOVE THE LEADING EDGE SLAT ACTUATOR LOCKOUT SET.
_______ THE LEADING EDGE SLATS CAN MOVE QUICKLY IF YOU DO NOT REMOVE THE LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  
Remove the leading edge slat lockout set from the actuators of the leading edge slats (Ref 27-81-00/201).

 (2)  
Pressurize hydraulic system B (Ref 27-81-00/201).

 S 864-036

 (3)  
Put the flap control lever to the FLAP UP detent to retract the slats.

 (4)  
Release pressure from hydraulic system B (Ref 27-81-00/201).

 (5)  
Install the access panels.

 S 864-035
 S 864-037
 S 414-038
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-88-11
 ALL  ú ú 03 Page 411 ú Mar 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 TASK 27-88-11-004-047
 4. Leading Edge Flap Proximity Sensor Removal
__________________________________________
 A. Special Tools and Equipment
 (1)  
F80048-84, -89 or -90 - Leading Edge Flap Actuator Lock

 B.
References

 (1)  
27-81-00/201, Leading Edge Flap and Slat Control System

 C.
Access

 (1)  
Location Zone
 101 Control Cabin, LH
 102 Control Cabin, RH
 303 Wing Inboard Leading Edge with Slats, LH
 403 Wing Inboard Leading Edge with Slats, RH

 D.
Prepare for Removal

 S 864-039
 (1)  Pressurize hydraulic system B (Ref 27-81-00/201).
 S 864-056
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LEADING
_______ EDGE FLAPS AND SLATS. THE LEADING FLAPS AND SLATS CAN MOVE QUICKLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)  Put the flap control lever to the 1-unit detent.
 S 494-055
 WARNING: CAREFULLY INSTALL THE LEADING EDGE FLAP ACTUATOR LOCKS TO
_______ PREVENT ACCIDENTAL OPERATION OF THE LEADING EDGE FLAPS. THE LEADING EDGE FLAPS CAN MOVE QUICKLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (3)  
Install the leading edge flap actuator locks on the actuators of the leading edge flaps (Ref 27-81-00/201).

 S 864-041

 (4)
Release pressure from hydraulic system B (Ref 27-81-00/201).

 E.
Remove the Leading Edge Flap Proximity Sensor

 S 034-042
 (1)  
Remove the screws that attach the bracket to the leading edge structure (Fig. 402).

 (2)  
Disconnect the wires at the splice.

 S 034-043
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-88-11
 ALL  ú ú 03 Page 412 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 034-044
 (3)  
Remove the bolts that attach the flap proximity sensor to the bracket.

 S 024-045

 (4)  
Remove the flap proximity sensor from the bracket.

 TASK 27-88-11-404-046
 5. Leading Edge Flap Proximity Sensor Installation
_______________________________________________
 A. Special Tools and Equipment
 (1)
F80048-84, -89 or -90 - Leading Edge Flap Actuator Lock

 B.
References

 (1)
27-81-00/201, Leading Edge Flap and Slat Control System

 (2)
27-88-11/501, Leading Edge Flap and Slat Proximity Sensor

 C.
Access

 (1)  
Location Zone 101 Control Cabin, LH 102 Control Cabin, RH 303 Wing Inboard Leading Edge with Slats, LH 403 Wing Inboard Leading Edge with Slats, RH