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 (g)  Turn the control wheel clockwise until the trim indicator shows
 5-unit of trim, hold momentarily and release.
 (h)  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).
 (i)  Turn the control wheel counterclockwise until the trim
 indicator shows 5-unit of trim, hold momentarily and release.
 (j)  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).
 (k)  Turn the control wheel clockwise to the control wheel stop,
 hold momentarily and release.
 (l)  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).
 (m)  Turn the control wheel counterclockwise to the control wheel
 stop.
 (n)  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).
 (o)  Supply power to hydraulic systems 3 and 4 for the activation of
 the right CLCP (right autopilot).
 (p)  Remove power from hydraulic systems 1 and 2 for the
 deactivation of the left CLCP (left autopilot).
 (q)  Do steps (c) thru (n) again to do a test on the left CLCP (left
 autopilot).
 (r)  Supply power to hydraulic systems 1 and 2.
 (s)  Do steps (c) thru (j) again.
 (t)  Turn the control wheel clockwise from the neutral position to
 the control wheel stop, hold momentarily and release.
 1) Make sure the inboard ailerons move smoothly through full
 travel.
 2) Make sure the right aileron and spoilers move up and the
 left aileron is down when the left spoilers are down.
 (u)  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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 27-11-08
 ALL  ú ú 01 Page 213 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (v)  
Turn the control wheel counterclockwise from neutral to the control wheel stop, hold momentarily and release. 1) Make sure the inboard ailerons move smoothly through full

 travel. 2) Make sure the left aileron and spoilers move up and the right aileron is down when the right spoilers are down.

 (w)  
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).

 S 712-029
 (13) Do this task to do a test on the CLCP autopilot:  "Aileron Autopilot Servo and Surface Limit Test" (Ref 22-10-00/501).
 TASK 27-11-08-002-030
 4.  Central Lateral Control Package Filter Removal______________________________________________
 A. References
 (1)  
24-22-00/201, Manual Control

 (2)  
29-11-00/201, Main Hydraulic Supply System

 (3)  
32-00-30/201, Landing Gear Door Locks

 B.
Access

 (1)  
Location Zone
 135 Wing Landing Gear Well, LH
 136 Wing Landing Gear Well, RH

 C.
Prepare for Removal

 S 492-031
 (1) Make sure the ground locks are installed on the landing gear.
 S 492-032
 WARNING:  YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)  
Do this task: "Installation of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).

 S 862-033

 (3)  
Do this task to pressurize hydraulic systems No. 1 and 4 or 2 and 3: "Hydraulic System Pressurization" (AMM 29-11-00/201).

 S 862-034

 (4)  
If electrical power is not on, do this task: "Supply Electrical Power" (AMM 24-22-00/201).

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