747-400 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 1(116)

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 until the center "AILERON SURFACE POSITION" display
 value is 0.1 degrees or less. b) Tighten the checknut on the control rod. c) Make sure the center "AILERON SURFACE POSITION" display
 value is 0.1 degrees or less.The CLCP input control rods (connected to the lower clevises of actuators) from the CLCPs to the aileron programmers. 1) With rig pin A/S-2 installed, adjust the control rods until
 you can easily install rig pins A/S-6 and A/S-7. 2) Tighten the checknuts on the control rods.The force limiter rod between the aileron programmers 1) With rig pins A/S-6 and A/S-7 installed, adjust the rod
 length with vernier adjustment until you can easily install the connecting bolt. 2) Make sure the vernier adjustment rod end and sleeve dimensions are not out of tolerance (AMM 27-11-00/501). 3) Install the bolts, nuts, washers, bushings, and cotter pins
 where castellated nuts are installed. 4) Tighten the checknuts. 5) Install the lockwire.The load limiter rod between the right input quadrant and the right aileron programmer. 1) Make sure you install the rig pins A/S-2, A/S-7 and A/S-1,
 A/S-1 is in the load limiter drum (AMM 27-11-00/501).
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 2)  Adjust the right body cable with the tension in AMM 27-11-00/501 until you can easily install the load limiter rod connecting bolt.
 3)  Make sure you do not preload the rod.
 (i)  
The rod between the right input quadrant and the right CLCP (right autopilot). 1) With rig pins A/S-2 and A/S-7 installed, adjust the rod

 until you can easily install rig pin A/S-3. 2) Tighten the checknuts on the rod.

 (j)  
Make sure you installed at all connections the required bolts, nuts, washers, bushings, and cotter pins where castellated nuts are installed.

 CAUTION: MAKE SURE TO REMOVE ALL OTHER RIG PINS BEFORE YOU REMOVE
_______ RIG PIN A/S-2. FAILURE TO REMOVE RIG PIN A/S-2 LAST CAN CAUSE DAMAGE TO THE CENTRAL LATERAL CONTROL PACKAGE.
 (k)  
Remove rig pins A/S-3, A/S-4, A/S-5, A/S-6 and A/S-7.

 (l)  
Remove rig pin A/S-2.

 S 862-025
 (9)  
For the applicable system, remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P7 Overhead Circuit Breaker Panel
 1) 7E24 AUTO FLT WRN
 2) 7D7 FLT CONT CMPTR SERVO L
 3) 7D8 FLT CONT CMPTR PWR L
 4) 7D12 FLT CONT CMPTR SERVO C
 5) 7D13 FLT CONT CMPTR PWR C
 6) 7D14 FLT CONT CMPTR SERVO R
 7) 7D15 FLT CONT CMPTR PWR R

 

 S 872-026
 (10)
 Operate the aileron control wheel a minimum of two full cycles to bleed the hydraulic component and lines.

 S 792-027

 (11)
 Examine the CLCP connections for leaks.

 S 712-028

 (12)
 Do a test on the CLCP:

 (a)  
Move the speed brake control lever to the DOWN position.

 (b)  
Remove power from hydraulic systems 3 and 4 for the deactivation of the right CLCP (right autopilot) to do a test on the right CLCP (right autopilot).

 (c)  
Turn the control wheel clockwise until the trim indicator shows 1-unit of trim, hold momentarily and release.

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MAINTENANCE MANUAL
 (d)  Make sure the control wheel goes back to the neutral position
 in the limit of +/- 2 degrees (0.07 inch measured at the trim
 indicator scale).
 (e)  Turn the control wheel counterclockwise until the trim
 indicator shows 1-unit of trim, hold momentarily and release.
 (f)  Make sure the control wheel goes back to the neutral position
 in the limit of +/- 2 degrees (0.07 inch measured at the trim
 indicator scale).
　
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