NOTE: The rig pins are a part of kit F70207-( ).
____
 B.  Consumable Materials
 (1)  
A00247 Sealant - BMS 5-95

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

 (3)  
C00813 Primer - BMS 10-11, Type I

 C.  
References

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

 (2)  
AMM 27-51-00/501, Trailing Edge Flap System

 (3)  
AMM 27-51-52/401, Outboard Flap Track Fairings

 (4)  
AMM 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 8207, 8707 Outboard TE Flap Access Panel 8208, 8708 Outboard TE Flap Access Panel 8215, 8715 Exhaust Gate Linkage Access Panel

 E.  
Prepare for the Adjustment

 S 425-002
 (1)  
Do this task if it is necessary: "Outboard Trailing Edge Flap Installation (AMM 27-51-52/401).

 S 865-003

 (2)  
Do this task to pressurize hydraulic system B: "Supply Hydraulic Power" (AMM 27-51-00/201).

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A 737-300/400/500MAINTENANCE MANUAL
 S 035-040
 (3)
Remove the ramp from the outboard end of the midflap (Fig. 501).

 S 865-041

 (4)  
Move the inboard roller out of the fairing track:

 (a)  
Remove the access panel at the inboard end of the midflap to get access to the roller shaft.

 (b)  
Make sure there is a clearance above and below the inboard flight roller.

 (c)  
Install a clamp on the roller shaft to hold the roller out of the fairing track.

 S 035-045
 (5)  
If you installed a new outboard flap, remove the preload pad for the flap drive ballscrew.

 S 865-004

 (6)
Move the flap control lever to the UP detent to retract the flaps.

 NOTE: Control the hydraulic pressure to retract the flaps slowly.
____
 S 865-005
 (7)  
Stop for 2 minutes, then do this task to depressurize hydraulic system B: "Remove Hydraulic Power" (AMM 27-51-00/201).

 F.
Adjust the Outboard Trailing Edge Flap

 S 215-006
 (1)  
Make sure the clearance between the upstops on the ballscrew nuts and the upstops on the ballscrews are as shown:

 (a)  
170 to 190 degrees (approximately 1/2 turn) for a flap without a torque tube adjustment to correct lateral trim.

 (b)  
90 to 300 degrees (1/4 to 5/6 turn) for a flap with a torque tube adjustment to correct lateral trim.

 (c)  
Measure and make a record of dimension X.

 NOTE: Refer to this as dimension X1.
____
 S 435-007
 (2)  
Make sure the torque tube couplings are installed on the transmission assembly and the screws have the lockwire installed.

 S 225-035

 (3)  
Measure the deflection of the leaf springs on the outboard flap (Fig. 503):

 (a)  
Measure dimension A.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (b)  
Do this task to pressurize hydraulic system B: "Supply Hydraulic Power" (AMM 27-51-00/201).

 (c)  
Move the flap control lever to the 40-unit detent to extend the flaps.

 (d)  
Do this task to depressurize hydraulic system B: "Remove Hydraulic Power" (AMM 27-51-00/201).

 (e)  
Measure dimension A again.

 (f)  
Make sure dimension A in the retracted position is 0.42 to 0.82 inch less than the dimension A in the extended position.
　
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