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 TASK 27-81-00-715-016
 2.  Operational Test - Leading Edge Flap and Slat System____________________________________________________
 A.  General
 (1)  
This procedure is an operational check of the leading edge (LE) flap and slat system. Do not use this test to do a check of the adjustment or rigging, or as a replacement for the system test.

 (2)  
You must correctly adjust the position indicator of the trailing edge (TE) flap before you do the operational test.

 B.  
References

 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 27-81-00/201, Leading Edge Flap and Slat Control System

 C.  
Access

 (1)  
Location Zone
 101 Control Cabin, LH
 102 Control Cabin, RH

 D.
Prepare the Leading Edge Flap and Slat System for the Operational Test

 S 865-004
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LEADING
_______ EDGE FLAPS AND SLATS. HYDRAULIC SYSTEM SUPPLIES POWER TO THE LEADING EDGE THROUGH THE PTU (FOR ALL TRAILING EDGE EXTEND POSITIONS) WHEN HYDRAULIC SYSTEM B IS DEPRESSURIZED AND THE MAIN OR NOSE GEAR AIR/GROUND SWITCH SENSES AIR MODE. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  Supply electrical power (AMM 24-22-00/201).
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 27-81-00
 ALL  ú ú 01 Page 501 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500MAINTENANCE MANUAL
SEE A
LE DEVICES ANNUNCIATOR
LE FLAP AND PANEL
SLAT POSITION SEE C
INDICATOR SEE B
2 5
A 1
10 UP 15 25
FLAPS
30
40
LE DEVICES TRANSIT
FLAPS TRANSIT
A
14
A
A  LE FLAPS LE FLAPS
23
A
EXT EXT
A AG GA
FULL
AG GA
FULL  TRANSIT
EXT G
A
EXT EXT
G GG
G A
G G
1 6
G G
2 5
G G
3 4
G
G
SLATS SLATS

B
TEST
C
Leading Edge Flap and Slat Position Indicating System Component
Figure 501

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 27-81-00
 ALL  ú ú 01 Page 502 ú Oct 25/84
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500
MAINTENANCE MANUAL

SEE  A 
FLAP CONTROL QUADRANT  QUADRANT STOP 
SEE  C 
TRAILING EDGE VALVE FLAP CONTROL 
NOTE:  FLAP CONTROL UNIT SHOWN WITH LOWER PAN REMOVED SEE B  A  LEADING EDGE FLAP CONTROL VALVE FWD 
Figure 502 (Sheet 1) Leading Edge Flap and Slat Control Valve Adjustment 

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 ALL  ú ú 01 Page 503 ú Oct 25/84
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
RIGGING PIN F-1
CAM FOLLOWER
CAM
1.00 INCH MAX
FWD
LEADING EDGE LINK
TRAILING EDGE
CAM LINK

B
CONTROL VALVE
INDEXING SURFACE
VALVE SLIDE
|0.010 INCH
C
Leading Edge Flap and Slat Control Valve Adjustment Figure 502 (Sheet 2)
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 27-81-00
 ALL  ú ú 01 Page 504 ú Oct 25/84
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500
MAINTENANCE MANUAL

INBOARD FLAP SEE B
OUTBOARD FLAP ASEE 
FLAP ACTUATOR LEADING EDGE 
FLAP LEADING EDGE (3 LOCATIONS) HINGE 
　
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