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 29-11-00
 ALL  ú ú 13 Page 224 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 962-080
 (11)
 On system No. 3, replace the filters for these flight control systems:

 (a)  
The power control package for the left inboard aileron (AMM 27-11-12/201).

 (b)  
The power control package for the right outboard aileron (AMM 27-11-13/201).

 (c)  
The right central control actuator (AMM 27-11-08/201)

 (d)  
The power control package for the upper rudder
 (AMM 27-21-17/201).

 (e)  
The elevator feel computer (AMM 27-31-14/201)

 (f)  
The power control package for the right inboard elevator (AMM 27-31-07/201).

 (g)  
The left autopilot servo module (AMM 22-12-03/401).

 S 962-240
 (12)
 On system No. 4, replace the filters for these flight control systems:

 (a)  
The power control package for the right inboard aileron (AMM 27-11-12/201).

 (b)  
The power control package for the right outboard aileron (AMM 27-11-13/201).

 (c)  
The right central control actuator (AMM 27-11-08/201)

 (d)  
The power control package for the lower rudder
 (AMM 27-21-17/201)

 (e)  
The power control package for the right inboard elevator (AMM 27-31-07/201)

 (f)  
The power control package for the right outboard elevator (AMM 27-31-08/201).

 S 962-082
 (13)
 Replace the filter elements for the case drain module (AMM 29-11-18/201).

 S 212-083

 (14)
 Examine the pressure module.

 (a)  
If the differential pressure indicators are extended, replace the filter elements for the pressure module (AMM 29-11-23/201).

 S 092-467
 (15)
 Disconnect the hydraulic service cart:

 (a)  
Disconnect the return line on the service cart from the ground service disconnect on the return module.

 (b)  
Disconnect the pressure line on the service cart from the EDP pressure hose.

 (c)  
Connect the pressure hose to the EDP pressure port.

 (16)
 Pressurize the hydraulic system with the EDP (Ref par. 4).

 S 862-087
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-11-00
 ALL  ú ú 01 Page 225 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 862-088
 (17)
 Operate all the flight controls.

 S 792-089

 (18)
 When you complete the flight control operation, do a check for leakage:

 (a)
Examine the installations of the flight control filters.

 (b)
Examine the installations of the hydraulic power filters.

 (c)
Examine the EDP connections.

 (d)
If you find leakage, repair the cause of it.

 S 862-091
 (19)
 Release the hydraulic system pressure if it is not necessary for other operations (Ref par. 5).

 S 092-092

 (20)
 Remove the blanking plate from the reservoir.

 S 432-093

 (21)
 Install the transmitter for the hydraulic fluid quantity (AMM 29-33-01/401).

 S 612-094

 (22)
 Do this task: "Hydraulic Reservoir Servicing" (AMM 12-12-01/301).

 S 412-096
 CAUTION: MAKE SURE YOU LATCH THE FAIRING DOORS ON THE TRAILING EDGE
_______ CORRECTLY. DAMAGE CAN OCCUR IF THE DOORS OPEN DURING A FLIGHT.
 (23)
 Close the fairing doors on the trailing edge of the strut (AMM 54-62-00/201).

 (24)
 Close the right thrust reverser half (AMM 78-31-00/201).

 S 412-097
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
　
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