(2)
Position rigging block in cam slot with cam roller against block, then tape block to cam drum.
J. Tighten adjusting nuts as necessary to obtain cable tension of 100 +10 pounds while maintaining 0.42-inch dimension obtained in step I.
NOTE: Cables should be adjusted to 100-pound tension at temperature of approximately 70°
F. As temperature decreases, tension should be decreased and as temperature increases, tension should be increased. However, 10-pound tolerance should not be exceeded. Check cable tension by applying tensiometer to cable where exposed on boom assembly.
K. Remove rigging pins F-5 and F-6 and adjust boom position if necessary to check cable tension.
NOTE: Rigging pins F-5 and F-6 must be installed while adjusting cable tension.
L. Remove rigging pins F-5 and F-6 from boom.
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Feb 20/90 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 27-51-61 Page 405
M. Install bolt with head on inboard side to connect boom end fitting to fixed structure. Install bushing on outboard side of bolt on airplanes having provisions for bushing. Adjust boom end fitting as necessary to make connection. Coat bolt with grease. Tighten and lockwire checknut.
N. Connect both rods to inboard flap aft segment.
O. Remove aftflap support and protective cover.
P. Provide system A hydraulic power (Ref 27-51-0).
Q. Extend and retract flaps. Check for proper operation of aftflap drive mechanism.
R. Remove system A hydraulic power (Ref 27-51-0).
S. Install access panel in lower surface of midflap.
T. Install inboard flap track fairing (Ref 27-51-141 R/I).
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27-51-61 Page 406 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Jun 20/88
OUTBOARD TRAILING EDGE FLAP - REMOVAL/INSTALLATION
1. General
A. A sling assembly is available for removing and installing the outboard flap. Install sling over outboard midflap access panel 8204 left wing, or 8704 right wing.
B. The upper leading edges of the foreflap and midflap are finished with an abrasion resistant teflon coating. If repair of Teflon coating is required, refer to Chapter 51, Abrasion Resistant Teflon Finish System.
2. Equipment and Materials
A. Trailing Edge Flaps Sling Assembly - F80213-78
B. Flap Drive Screw Support Assembly - F-80057-1
C. Flight Spoiler Ground Locks - F-80017-23
D. Grease - MIL-G-21164 (Ref 20-30-21)
E. Corrosion Preventive Compound - MIL-C-11796, Class 3 (Ref 20-30-21)
3. Prepare for Removal
A. Provide system A and B hydraulic power (Ref 27-51-0 MP).
B. Position flap control lever to 40-unit detent.
C. Position speed brake control lever in UP position to raise spoilers.
D. Block spoilers above outboard flaps with flight spoiler ground locks.
E. Turn off system A and B hydraulic power and depressurize hydraulic system A and B (Ref 27-51-0).
F. Remove fairing from each main flap track (Ref 27-51-121 R/I).
4. Remove Outboard Trailing Edge Flap
A. Remove bolt attaching foreflap to foreflap sequencing carriage at each flap track (View 1, Fig. 401).
B. Remove bolts attaching each foreflap link assembly to foreflap track and remove foreflap (Fig. 401).
NOTE: Foreflap weighs approximately 55 pounds.
C. Remove hinged flap (Ref 27-51-51 R/I).
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G13361G13389
Outboard Trailing Edge Flap Installation 535
27-51-72 Figure 401 (Sheet 1) May 15/78
Page 402
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
543 Outboard Trailing Edge Flap Installation
May 15/78 Figure 401 (Sheet 2) 27-51-72
Page 403
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
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