B. Consumable Materials
 (1)  
Threading wire, a 30-inch length of standard
 wire (No. 18 to 22 gage), without insulation if
 possible (used to pull the wire bundle through
 the control wheel)

 (2)  
C00259 Primer, BMS 10-11, type 1

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MAINTENANCE MANUAL

 C. References
 (1)  
20-30-03/201, Finishing Materials

 (2)  
22-00-02/201, Autoflight BITE

 (3)  
24-22-00/201, Electrical Power - Control

 D. Access
 (1)  Location Zone
 211/212 Flight Compartment

 E. Install the Autopilot Disengage Switch
 S 644-024
 (1)  
Put primer on the threads of the switchplate and switch
 (Ref 20-30-03).

 S 434-015

 (2)  
Install the switchplate on the switch.

 S 434-016

 (3)  
Attach the end of the threading wire, that comes out of the switch hole on the control wheel, around the switch wire bundle.

 S 424-025

 (4)  
Pull the switch wire bundle down through the control wheel with the other end of the threading wire.

 S 034-017

 (5)  
Remove the threading wire from the switch wire bundle.

 S 434-018

 (6)  
Use the insertion tool to connect the switch wires to the quick-disconnect terminals. Refer to the Wire Label and Color Code Table.

 S 434-019
 CAUTION: MAKE SURE THE WIRE CLAMPS ARE INSTALLED IN THE POSITION SHOWN
_______ IN FIG. 401. PUT THE CABLE COIL IN THE CENTER OF THE CONTROL WHEEL. FRICTION WILL RESULT IF THE WIRE CLAMPS ARE NOT INSTALLED CORRECTLY AND THE CABLE COIL IS NOT PUT IN THE CENTER. DAMAGE TO EQUIPMENT CAN OCCUR.
 (7)  Install the wire clamps into the control wheel with the nuts.
 NOTE: Install the wire clamp to put the cable coil in the center of
____
 the control wheel.

 (a)  
Tighten the nuts to 20 pound-inches.

 (b)  
Put the quick-disconnect terminals into the control wheel.

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757 MAINTENANCE MANUAL
 S 434-030
 CAUTION: ENSURE THAT WIRE GUARD ASSEMBLY SLIDES SMOOTHLY IN GROOVE OF
_______ WHEEL ASSEMBLY DURING INSTALLATION. KEEP ALL WIRES AND CONNECTORS CLEAR OF PLANE OF GROOVE TO PREVENT POSSIBLE WIRE INSULATION DAMAGE DURING ASSEMBLY.
 (8)  
Install wire guard assembly. Insert lower end of wire guard assembly inside base of wheel. Firmly press upper edge of seal until guard is below medallion groove.

 S 434-020

 (9)  
Install the medallion and chart holder with the screw.

 S 434-021

 (10)
 Install the switchplate assembly with the screw.

 F. Test Autopilot Disengage Switch
 S 864-022
 (1)  
Supply electrical power (Ref 24-22-00).

 S 864-023

 (2)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:

 (a)  
11E16, MODE CONT PNL LEFT

 (b)  
11E17, FLT CONT COMPUTER POWER LEFT

 (c)  
11E18, FLT CONT COMPUTER SERVO LEFT

 (d)  
11E20, FLIGHT CONT CMPTR PWR CENTER

 (e)  
11E21, FLIGHT CONT CMPTR SERVO CENTER

 (f)  
11E34, MODE CONT PNL LEFT

 (g)  
11E35, FLT CONT CMPTR PWR RIGHT

 (h)  
11E36, FLT CONT CMPTR SERVO RIGHT

 S 724-026
 (3)  
Do MCDP Ground Test 11-SW A/P DISC (Ref 22-00-02).

 (a)  Make sure no failure messages show.
　
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