(c)  
The removal of the foreflap

 (d)  
The removal of the inboard flap.

 (2)  
The installation procedure has these parts:

 (a)  
A check of the parts for worn areas

 (b)  
The installation of the inboard flap

 (c)  
The installation of the foreflap

 (d)  
The adjustment of the inboard flap

 (e)  
The installation of the inboard fairing

 (f)  
The installation of the outboard flap track fairing.

 B.  
The top leading edges of the foreflap and midflap have an abrasion resistant teflon layer for protection.

 TASK 27-51-04-004-001
 2.  Inboard Trailing Edge Flap Removal (Fig. 401)__________________________________
 A.  Special Tools and Equipment
 (1) Rig Pins (F-5 and F-6) - 0.248 +0.000/-0.002 inch diameter,
 3.7 |0.25 inches long (MS20392-3)
 NOTE: The rig pins are part of kit F70207-69, -78, or -83.
____
 (2)  
Trailing Edge Flaps Sling Assembly - F80213-73

 (3)  
Flap Drive Screw Support Assembly - F80057-1

 B.  
References

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

 (2)  
27-51-07/401, Inboard Foreflap

 (3)  
27-51-32/401, Inboard Flap Track Fairing

 C.  
Access

 (1)  
Location Zone 101, 102 Control Cabin 309, 409 Wing Trailing Edge Inboard Flap and Spoiler

 D.  
Prepare for the Removal

 S 014-003
 (1)  
Remove the aft end of the inboard flap outboard fairing:

 (a)  
Remove the bolts that attach the aft end of the outboard fairing.

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 27-51-04
 ALL  ú ú 01 Page 401 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500
MAINTENANCE MANUAL

SEE F
SEE A
SEE  E 
1. BOOM 
INBD FWD  A  SEE FOREFLAP TORQUE TUBE D  SEE  B  SEE  C 
2. FORWARD ROLLERS

3.
 CROSS BEAM (OUTBOARD CARRIAGE ONLY)

4.
 ECCENTRIC
 BUSHING

B
Inboard Trailing Edge Flap Installation Figure 401 (Sheet 1)
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 ALL  ú ú 01 Page 402 ú Mar 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL 
1  14. BUMPER PLATE 
10. BUSHING 
11. BOLTS 
SHAFT TORQUE MIDFLAP  C  YOKE SHAFT NUT 13. BALL 12. GIMBAL  8. FWD INBD  RIG PINS F-5 AND F-6 
FWD  TOGGLE STOP 5. FOREFLAP  ROLLER 9. BOOM
 TRACK 6. FLAP 1. BOOM
D E
 STOP 7. CARRIAGE 
FWD  TRACK 6. FLAP
F 
1  THE FLAP RETRACTION (0.12 INCH BEND RADIUS) AS NECESSARY SO IT DOES NOT TOUCH DURING BEND THIS AREA OF THE BUMPER PLATE DOWN Figure 401 (Sheet 2) Inboard Trailing Edge Flap Installation 

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (b)  Remove the aft part of the fairing.
 S 024-077
 CAUTION: MOVE THE FLAPS CAREFULLY WITH THE INBOARD FLAP TRACK FAIRING
_______ REMOVED. MAKE SURE THE OUTBOARD MIDFLAP DEFLECTION PLUNGER DOES NOT CATCH ON THE FORWARD PORTION OF THE INBOARD FLAP TRACK FAIRING. YOU CAN CAUSE DAMAGE TO EQUIPMENT.
 (2)
Do this task: "Inboard Flap Track Fairing Removal" (27-51-32/401).

 S 864-005

 (3)
Do this task: "Pressurize Hydraulic System B" (Ref 27-51-00/201).
　
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