27-81-21
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(o)
Continue to move the slat forward until the main tracks is free of the rollers.
(p)
Remove the slat.
TASK 27-81-21-404-002
3. Leading Edge Slat Installation (Fig. 401)______________________________
A. Special Tools and Equipment
(1)
C27012-1 Leading Edge Slat Actuator Lockout Set
B.
Consumable Materials
(1)
A01086 Locking Compound Sealer - MIL-S-46163, Type II, Grade O
C.
References
(1)
27-81-00/201, Leading Edge Flap and Slat Control System
(2)
27-81-41/401, Leading Edge Slat Actuator
(3)
27-81-51/401, Leading Edge Slat Aerodynamic Seal
(4)
30-11-31/401, Wing Anti-Icing Telescoping Duct
D.
Access
(1)
Location Zone 101 Control Cabin, LH 102 Control Cabin, RH 302 Wing Outboard Leading Edge with Slats, LH 402 Wing Outboard Leading Edge with Slats, RH
(2)
Access Panel
6213 Slat Access Panel, LH
6217 Slat Access Panel, LH
6219 Slat Access Panel, LH
6224 Slat Access Panel Removal , LH
6227 Slat Access Panel Removal, LH
6232 Slat Access Panel Removal, LH
6233 Slat Access Panel Removal
6513 Slat Access Panel, RH
6536 Slat Access Panel, RH
6539 Slat Access Panel, RH
6524 Slat Access Panel Removal, RH
6527 Slat Access Panel Removal, RH
6532 Slat Access Panel Removal, RH
6533 Slat Access Panel Removal, RH
E.
Procedure
S 424-035
(1)
Install the leading edge slat:
(a)
With the main tracks installed on the leading edge slat, install the main tracks between the roller ribs in the fixed leading edge.
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27-81-21
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(b) (c) (d) While you manually move the slat up, install the thermal anti-icing spray tube (if it is necessary) and the telescoping duct in the slat (AMM 30-11-31/401).Make sure the guide/stop clearance is 0.19 |0.01 inch (View E-E, Fig. 401).If the clearance is not in the specified limit, use shim as
(e) (f) (g) (h) (i) (j) necessary.Install the auxiliary track arms through the cutouts in the fixed leading edge.Align the the auxiliary track arms with the auxiliary tracks.Attach the auxiliary track arms to the auxiliary rollers in the auxiliary tracks with the bolt head points to the detent arm.Tighten the bolts to 160-240 pound-inches.Make sure the slat actuator is in the retracted position.Move the slat up until the downstop bolt hole aligns with the hole in the support rib.
NOTE:____ AIRPLANES WITH THE THREE-WAY ADJUSTABLE DOWNSTOP; The downstops have three flat stop surfaces. Set the downstops at their intermediate height (nominal) position.
(k) (l) AIRPLANES WITHOUT THE THREE-WAY ADJUSTABLE DOWNSTOP; Install the downstop bolts: 1) Hold the bolthead while you tighten the nut to a maximum of 50 pound-inches.AIRPLANES WITH THE THREE-WAY ADJUSTABLE DOWNSTOPS; Install the downstop bolts (View E-E, Fig. 401): 1) Install stop locator on the main track side adjacent to the bolthead.
NOTE:____ Make sure you install the locator with its lip pointing away from the bolthead, and with lip of locator hanging over the aft end of the main track.
2) Apply locking compound sealer to the downstop bolt threads before nut installation.
NOTE:____ Apply locking compound sealer to the bolt threads of the main track down-stops before you install the nut and after you adjust the downstops in AMM 27-81-00/501, "Adjust the Leading Edge Slats (for airplanes with spring loaded seals)".
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