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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 
737-300/400/500MAINTENANCE MANUAL 
MISMATCH BETWEEN ADJACENT 
 
SLATS OR BETWEEN THE SLAT 
AND THE ADJACENT STRUCTURE 
 
ADJACENT SLAT 
 
OR STRUCTURE 
 
WING FIXED 
CLEARANCE BETWEEN THE LOWER SURFACE  LEADING EDGE 

OF THE SLAT UPPER TRAILING EDGE AND THE FIXED LEADING EDGE

THIS TABLE IS USED ONLY ON AIRPLANES WITH WASHERS BELOW THE UPSTOP ADJUSTMENT BOLT HEAD. TABLE I

Leading Edge Slat Adjustment Figure 505 (Sheet 9)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
NO. SLAT  STATION SLAT  (INCHES) MINIMUM CLEARANCE 9  (INCHES) NOMINAL CLEARANCE 9  (INCHES) MAXIMUM CLEARANCE 9  MEASURED INBOARD FROM OUT-(METAL) END BOARD SLAT (IN INCHES)  MEASURED OUTBOARD FROM IN-BOARD SLAT (METAL) END (IN INCHES) 
1 AND 6  388.0  0.69  0.93  1.03  1.0 ----
348.4  0.68  0.91  1.01  40.6  ----
291.4  0.65  0.88  0.98  ---- 36.9 
255.5  0.64  0.86  0.96  ---- 1.0 
2 AND 5  253.3  1.08  1.28  1.38  1.0  ----
224.1  1.05  1.25  1.35  30.2 ----
154.7  0.98  1.18  1.28  ---- 30.2
125.5  0.95  1.15  1.25  ---- 1.0 
3 AND 4  123.3  1.01  1.16  1.30  1.0  ----
96.2  0.98  1.13  1.30  28.1 ----
35.6 0.90  1.05  1.30  ---- 23.3
 13.3  0.88  1.03  1.30  ---- 1.0

TABLE II
____CORRESPONDING ENDS OF THE LEFT WING TO THE RIGHT WING SLATS MUST HAVE SYMMETRICAL CLEARANCES
NOTE: WITHIN A LIMIT OF 0.14 INCH.

TO GET THE BOLT THREAD TO ENGAGE IN THE BARREL NUT AND MINIMUM BOLT SHANK BEARING CONDITION, ADJUST THE BOLT GRIP LENGTH AS IT IS NECESSARY TO ACCOUNT FOR THE TOLERANCE BUILDUP AND THE NUMBER OF SHIMS INSTALLED AT EACH STOP LOCATION
ALL AUXILIARY TRACKS BUT DOES NOT INCLUDE THE OUTBOARD TRACKS ON SLATS 1 AND 6.
SLATS 1 AND 6 OUTBOARD AUXILIARY TRACKS.
SLATS 2, 3, 4 AND 5 OUTBOARD AUXILIARY TRACKS ONLY

SLATS 1 AND 6 MID AUXILIARY TRACKS ONLY
ONE WASHER CAN BE REMOVED TO GET THE CORRECT TORQUE AND COTTER PIN INSTALLATION.
USE A MINIMUM OF ONE WASHER ON EACH TRACK SIDE AND A MAXIMUM OF TWO WASHERS ON ONE

TRACK SIDE ONLY (EITHER SIDE), TO GET THE SPECIFIED CLEARANCE.

IF THE NUT IS INSTALLED, TIGHTEN THE NUT PAST THE SELF-LOCKING PORTION, THEN
TIGHTEN TO 150-190 POUND-INCHES TO CLAMP UP THE CLEVIS AND BUSHINGS.
THE CLEARANCE IS MEASURED PERPENDICULAR TO THE FIXED LEADING EDGE.
THE CLEARANCE IS MEASURED WITH THE SLAT EXTENDED HYDRAULICALLY.
PUT YOUR MEASURING TOOL ANYWHERE INSIDE THE 0.5 |0.1 INCH AREA FORWARD OF THE

TRAILING EDGE END OF THE LOWER SURFACE OF THE SLAT UPPER TRAILING EDGE.

Leading Edge Slat Adjustment
Figure 505 (Sheet 10)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500
MAINTENANCE MANUAL

(QTY AS REQUIRED) WASHERS 
A TORSION ROD ARM  SPAR FRONT  SEE A SLAT DETENT ARM AND TORSION ROD (EXAMPLE) 
E 
E A  B B  ROD TORSION  AUXILIARY TRACK SUPPORT BOLT TOP AFT 
ROD BOLT TORSION  D  (QTY AS REQUIRED) WASHERS 
TRUNNION 
D 
　
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