(h)  
Monitor the leading edge flaps and slats for 60 seconds.
 (i)  
Make sure that the flaps and slats do not extend.
 NOTE: The leading edge flaps can slowly extend because of
____
 gravity.
 (j) Put the FLT CONTROL switch back to the ON position.
 TASK 27-81-00-825-018
 4. Leading Edge Flaps and Slats - Adjustment/Test
______________________________________________
 A. General
 (1)  
The adjustment of the trailing edge flap system must be correct before you adjust the leading edge flap and slat system. The rigging of the leading edge flap and slat system contains these parts:
 (a)  
The adjustment of the leading edge flap and slat control valve.
 (b)  
The adjustment of the flap nose linkage on each leading edge flap.
 (c)  
The adjustment of each leading edge slat to the aligned position.
 (2)  
You can adjust the leading edge flaps and slats with the airplane on or off the jacks. You can also adjust the leading edge flaps and slats when the airplane has fuel or no fuel in the tanks. You must get the same adjustment tolerances no matter what condition the airplane is in, when you rig the slats.
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 27-81-00
 ALL  ú ú 01 Page 513 ú Nov 12/00 
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. 
A 737-300/400/500MAINTENANCE MANUAL 
SLAT 1 
SEE A 
SLAT 2 
SEE F 
SLAT 3 
UPSTOP (4 LOCATIONS EACH SLAT) 
WING FIXED LE STRUCTURE SLAT 4 
SLAT 5 
SLAT 6 
M  DOWNSTOP  
SEE  C  D  FOLLOWER BEARING AUXILIARY TRACK  
M  
A  K  
D  
B  LEADING EDGE  
SLAT ACTUATOR 
LEADING UPSTOP 
EDGE SLAT 
UPSTOP 
C 
AUXILIARY SLAT TRACK ARM ANTI-ICING 
(INSTALLED THIS DUCT DOOR 
LOCATION ON SLATS 
A 
1 AND 6 ONLY) 
MAIN SLAT B MAIN SLAT 
TRACK TRACK
OUTBD AUXILIARY 
SLAT TRACK C  UPSTOP 
SLAT 1 SHOWN) FWD 
K 
THERMAL ANTI-ICING
A 
TELESCOPE DUCT 
L
NEGATIVE MISMATCH OUTBD (AIRFLOW) AUXILIARY SLAT TRACK ARM 
L 
SLAT OR 
FIXED LE
SEE B 
SLAT OR WING FIXED 
STRUCTURE LE STRUCTURE 
F 
Leading Edge Slat Adjustment 
Figure 505 (Sheet 1)
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 ALL  ú ú 01 Page 514 ú Jul 15/98 
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. 
A 
737-300/400/500MAINTENANCE MANUAL 
ROLLERS
FIXED LEADING EDGE  SEE E 
MAIN TRACK COVER PLATE 
ADJUSTMENT BOLTS
SLAT 
SEE D CLEARANCE BETWEEN THE SLAT LOWER TRAILING EDGE AND THE 
CLEARANCE BETWEEN FIXED LEADING EDGE PANEL 
THE MAIN TRACK COVER PLATE AND THE BOTTOM SURFACE OF THE LEADING EDGE 
(SLAT SHOWN RETRACTED) A-A 
FRONT NOMINAL 
SPAR POSITION ROLLERS
1B (4 LOCATIONS) 
E 
DOWNSTOP 
FIXED LEADING EDGE 
MAIN TRACK 
F 
MAIN TRACK SLAT 
COVER PLATE 
F E 
(SLAT SHOWN FULLY EXTENDED) A-A 
FIXED LEADING EDGE 1A AIRPLANES WITHOUT ADJUSTABLE DOWNSTOPS 
1B AIRPLANES WITH THE THREE-WAY ADJUSTABLE DOWNSTOPS 
Leading Edge Slat Adjustment Figure 505 (Sheet 2) 
FRONT SPAR 
1A 
DOWNSTOP 
HOLE IN SUPPORT RIB (FOR INSTALLATION OF THE DOWNSTOP) 
E 
FRONT SPAR 
DOWNSTOP 
1A 
HOLE IN SUPPORT RIB 
(FOR INSTALLATION OF 
THE DOWNSTOP)
E 
FRONT SPAR 
DOWNSTOP 
1B 
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