(d)
If seal retainer does not align , loosen screws and adjust to obtain correct position. Tighten screws when adjustment is obtained.
(25)
With flap fully extended, check that clearance between aftflap trailing edge and track fairing cone is 0.25 inch minimum.
(26)
Check that A frame clears flap track and carriage stop by 0.08 inch minimum with flaps raised against flight rollers between flap setting detents 2 thru 10.
(27)
Position flap control lever to FLAP UP detent.
(28)
Remove system A hydraulic power (Ref 27-51-0).
(29)
Check that gap between midflap trailing edge and hinge flap is 0.01 inch minimum.
(30)
Check that gap between outboard end of aftflap and wing rib is 0.50 +0.25 inch.
(31)
Check that minimum gap between trailing edge of foreflap and top of midflap is per Section A-A, Fig. 501. If gap is not within limits, defective foreflap or (midflap) is indicated.
(32)
Check that gap between upper wing panel fixed trailing edge and midflap upper surface is per Section A-A, Fig. 501.
(33)
Check that gap between hinged flap and nacelle fairing is 0.90 to 1.25 inch.
(34)
Check that gap between ground spoiler actuator and top of foreflap is 0.12 inch minimum.
(35)
Apply sealant to carriage access panel and midflap faying surface and install access panels on upper surface of midflap.
(36)
Install all remaining access panels.
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OUTBOARD TRAILING EDGE FLAP - INSPECTION/CHECK
1. General
A. The following provides a method of checking midflap carriage thrust bearing wear without flap removal.
2. Prepare for Inspection
A. Pressurize hydraulic system A (Ref 27-51-0, Maintenance Practices).
B. Extend flaps fully.
C. Depressurize hydraulic system A (Ref 27-51-0).
D. Remove access panels on upper surface of midflap (Fig. 601).
3. Inspect Midflap Carriage Thrust Bearing (Fig. 601)
A. Manually move the midflap carriage in fore and aft direction and measure axial movement of carriage relative to midflap.
NOTE: All relative movement must take place at bearing. Ensure that midflap is stationary during measurement.
B. If movement exceeds 0.050 inch, replace spherical bearing (Ref 27-51-81,
Removal/Installation).
C. Replace access panel.
(1)
Apply BMS 5-79 faying surface sealant between access panel and midflap.
(2)
Secure access panels with fasteners.
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Outboard Trailing Edge Flap Inspection 501
27-51-72 Figure 601 May 20/82
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FLAP DRIVESCREW - REMOVAL/INSTALLATION
1. General
A. This procedure gives instructions for the removal and installation of one drivescrew from each TE flap at one time.
2. Flap Drivescrew Removal
A. Special Tools and Equipment
(1)
C27001-10 or -16, Ground Lock Set (for spoilers 1 and 8)
(2)
F800040-( ), Ground Lock Assy (for spoilers 4 and 5)
NOTE: F80040-15 is used on airplanes having ground roll spoilers with single actuators. F80040-2 is used on airplanes having ground roll spoilers with double actuators.
(3)
F80017-33 (Preferred), F80017-23 (Optional), Ground Lock Assy (for spoilers 2, 3, 6, and 7 with chamfered spoiler clevis)
(4)
C27047-16, Ground Lock Set (for spoilers 2, 3, 6, and 7 with rounded spoiler clevis)
B. References
(1) AMM 27-51-0/201, Trailing Edge Flaps
C. Access
(1)
Location Zones
101, 102 Control Cabin - Left, Right
307, 407 Wing Trailing Edge Outboard Flap and Spoiler
309, 409 Wing Trailing Edge Inboard Flap and Spoiler
(2)
Access Panels 5735, 5835 Forward Access Panel, Inbd Flap Outbd Track Fairing 5736, 5836 Aft Access Panel, Inbd Flap Outbd Track Fairing
D. Prepare for Drivescrew Removal
(1) Do these steps to fully retract the trailing edge flaps:
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