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B.  The control cables for the aileron, aileron trim, spoiler, speed brake and flap control systems are routed, from the control cabin, under the passenger cabin floor to the main wheel well. The cables for the speed brake system pass through air pressure seals in the main wheel wel1 ceiling, however, the other cables terminate at quadrants and drums above the ceiling. Aileron bus cables and spoiler control cables are routed aft of the wing rear spar to direct motion to the aileron and spoiler quadrants in the wing.
C.  The control cables for the elevator, rudder, rudder trim and stabilizer trim control systems are routed from the control cabin, under the passenger cabin, through air seals at the aft pressure bulkhead and into the empennage. The elevator cables are routed under the stabilizer truss. The rudder and rudder trim cables are routed upward ahead of the stabilizer truss.
D.  Control cable runs are identified by coded letter designations. These cable codes identify cable function. Metal-cals showing proper cable routing utilize these codes. These metal-cals are mounted adjacent to the floor beams above the cargo compartment ceiling and in the lower nose compartment. Cable codes are shown in Table 1.
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May 15/67  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  27-09-100 Page 1 

TABLE I FLIGHT CONTROL CABLES - MAINTENANCE PRACTICES
CONTROL SYSTEM  CABLE CODE  CABLE FUNCTION 
Aileron  AA AB ACBA ACBB ABSA ABSB  Aileron Control-Left aileron down, Right aileron up Aileron Control-Left aileron up, Right aileron down Aileron Control Bus-Left aileron down, Right aileron up Aileron Control Bus-Left aileron up, Right aileron down Aileron Bus System-Left aileron down, Right aileron up Aileron Bus System-Left aileron up, Right aileron down 
Aileron Trim  ATA ATB  Aileron Trim-Left aileron down, Right aileron up Aileron Trim-Left aileron up, Right aileron down 
Rudder  RA RB  Rudder Control-Rudder left Rudder Control-Rudder right 
Rudder Trim  RTA RTB  Rudder Trim-Rudder right Rudder Trim-Rudder left 
Elevator  EA EB  Elevator Control-Elevator down Elevator Control-Elevator up 
Stabilizer Trim  STA STB  Stabilizer Trim-Stabilizer leading edge up Stabilizer Trim-Stabilizer leading edge down 
Wing Flaps  WFA WFB WFFA WFFB  Wing Flap Control-Flaps up Wing Flap Control-Flaps down Wing Flap Follow-up-Flaps up Wing Flap Follow-up-Flaps down 
Spoilers  WSAl WSBl WSA2 WSB2  Wing Spoilers-Outboard spoilers up Wing Spoilers-Outboard spoilers down Wing Spoilers-Inboard spoilers up Wing Spoilers-Inboard spoilers down 
Speed Brakes  SBA SBB  Speed Brake Control-Speed Brake on Speed Brake Control-Speed Brake off 

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BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

1. General
A.  This subject provides the information necessary to locate and fabricate all flight control cables. See Fig. 201 thru 207 for applicable flight control system cables. Refer to Chapter 20, Control Cables for cable removal and installation.
B.  Access to wing flap, aileron, aileron trim, and speed brake cable pulleys is provided at several places. These places are forward cargo compartment ceiling panels, floor panels over wheel well and wing center section, and by lowering trailing edge flaps. Additional access is found through the wing lower access panel at rear spar, adjacent to aileron, with flap lowered. Access to elevator, stabilizer trim, and rudder control system cable pulleys is provided through forward and aft cargo compartment ceiling panels. Access is also found through floor panels over wing center section and wheel well, center access panel in aft cargo compartment aft end wall, and access door 3701.
2.  Control Cable Rigging
A.  When a new control cable is installed, the affected system must be cycled with cables tightened to twice the working tension. Final rigging adjustments are then made. Refer to following table for the number of test cycles required for each system. Refer to applicable system for rigging loads.
CABLE SYSTEM  NUMBER OF TEST CYCLES AT TWICE WORKING TENSION 
AILERON AILERON TRIM ELEVATORTRAILING EDGE FLAPS RUDDER RUDDER TRIM SPEED BRAKE SPOILER STABILIZER TRIM  20 20 25 25 25 10 20 20 5 

3.  Cable Terminal Swaging
A.  Dies for the next large size AN standard terminals are required for swaging all BACT14A terminals.
Sep 20/82 27-09-111 Page 201
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Aileron and Aileron Trim Control Cables  500 
27-09-111 Page 202  Figure 201 (Sheet 1) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  May 01/01 
　
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