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 27-51-39
 ALL  ú ú 01 Page 403 ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 TASK 27-51-39-404-002
 3.  Outboard Aftflap Installation_____________________________
 A. Special Tools and Equipment
 (1)  F80209-2 Outboard Flap Rigging Beam
 NOTE: The rigging beam is a part of F80209-1.
____
 B. Consumable Materials
 (1)  
A00247 Sealant - BMS 5-95, Class B

 (2)  
C00308 Corrosion Preventive Compound - MIL-C-11796, Class 3

 C.
References

 (1)  
27-51-00/201, Trailing Edge Flap System

 (2)  
27-51-39/601, Outboard Aftflap

 (3)  
27-51-52/501, Outboard Flap Track Fairings

 D.
Access

 (1)  
Location Zone 307, 407 Wing Trailing Edge Outboard Flap and Spoilers

 (2)  
Access Panels
 8203, 8703 Outboard Midflap Access Panel
 8204, 8704 Outboard Midflap Access Panel
 8205, 8705 Outboard Midflap Access Panel
 8206, 8706 Outboard Midflap Access Panel

 E.
Procedure

 S 224-008
 (1)  
If you will install used parts, examine the parts for worn areas (Ref 27-51-39/601).

 S 424-009

 (2)  
Install the outboard aftflap (Fig. 401):

 (a)  
Remove the bolts that attach the four bottom flight rollers to the roller support fitting.

 (b)  
Put the aftflap on the aftflap tracks.

 (c)  
Install the bolts, washers and nuts that attach the four bottom flight rollers to the roller support fitting. 1) Tighten the nut to 30-40 pound-inches. 2) Install the cotter pin.

 (d)  
Move the aftflap until the aft edge of the bottom flight rollers are in the correct position: 1) At the inboard track, the aft edge of the bottom flight

 roller must be 0.10 to 0.30 inch aft of the aftflap track. 2) At the outboard track, the aft edge of the bottom flight roller must be 0.23 to 0.33 inch aft of the aftflap track.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-51-39
 ALL  ú ú 01 Page 404 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 CAUTION:_______ MAKE SURE THE FORCE IS APPLIED TO A .20 X 4.0 X 6.0 PLATE
 PLACED AGAINST THE UPPER SKIN.  IF YOU APPLY THE FORCE
 DIRECTLY AGAINST THE SKIN, YOU CAN CAUSE DAMAGE TO THE

 FLAP.
 (e)  
Apply a 15 to 30 pound force to the top surface of the aftflap at each aftflap track.

 (f)  
Make sure the deadweight rollers touch the aftflap track.

 (g)  
Make sure the clearance between the bottom flight rollers and the aftflap track is 0.000 to 0.025 inch.

 (h)  
If the clearance between the bottom flight rollers and the aftflap tracks are not in the tolerance, adjust the deadweight rollers: 1) Remove the cotter pin, nut, and washer from the bolt for

 the deadweight roller. 2) Remove the eccentric bushing until the eccentric lock is not engaged. 3) Turn the eccentric bushing until the clearance is in the tolerance. 4) Engage the eccentric lock. a) If it is necessary, loosen the eccentric bushing one detent to engage the lock. 5) Install the bolt, washer and nut to attach the deadweight
 roller. 6) Tighten the nut to 12-15 pound-inches. 7) Install the cotter pin.
 CAUTION:_______ MAKE SURE THE FORCE IS APPLIED TO A .20 X 4.0 X 6.0 PLATE
 PLACED AGAINST THE LOWER SKIN.  IF YOU APPLY THE FORCE
 DIRECTLY AGAINST THE SKIN, YOU CAN CAUSE DAMAGE TO THE

 FLAP.
 (i)  
Apply a 15 to 30 pound force to the lower surface of the aftflap at each aftflap track. 1) Make sure the flight rollers touch the aftflap track.

 (j)  
Move the aftflap forward and aft on the track.

 (k)  
Make sure the aftflap moves smoothly.
　
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