(2)
 Put the warning notices in position to tell persons not pressurize the hydraulic systems.

 (3)
 Put the access platform in position at zone 334 for the left hand trailing edge access panels and/or 344 for the right hand trailing edge access panels.

 1EFF : ALL 1 27-34-51Page 444 1 1 May 01/05R 1 1 1CES 1

 Subtask 27-34-51-010-054
 F. Access
 (1) Open the trailing edge access panels 334DB and/or 344DB. (Ref. TASK 55-13-11-000-001)
 4. Procedure
_________
 (Ref. Fig. 405/TASK 27-34-51-991-004) Subtask 27-34-51-020-060
 A. Disconnect Electrical Connectors.
 (1) Disconnect the electrical connectors (1).
 (2) Put blanking caps on the disconnected electrical connectors. Subtask 27-34-51-020-054
 B. Remove the Solenoid Valves
 (Ref. Fig. 405/TASK 27-34-51-991-004)

 NOTE : There are two solenoid valves on each servo control unit. They are
____
 shown as Solenoid Valve No.1 and Solenoid Valve No.2.

 (1)
 Cut and discard lockwire between bolts (4) and solenoide valve (3).

 (2)
 Support the solenoid valve (3) and remove the bolts (4) holding the solenoid valve (3) to the servo control actuator.

 (3)
 Remove the solenoid valve (3) from the servo control actuator.

 (4)
 Remove and discard the O-ring (2).

 (5)
 Install the protective plate to the solenoid valve mounting face (Ref. AIPC 27345101230).

 1EFF : ALL 1 27-34-51Page 445 1 1 May 01/05R 1 1 1CES 1

 Electrovalves Removal/Installation Figure 405/TASK 27-34-51-991-004
 1EFF : 1 1R 1CES  ALL  1 11 1 27-34-51 Page 446 May 01/05

 TASK 27-34-51-400-004 Installation of the Elevator Servo Control Actuator Solenoid Valve WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
 GEAR.

 WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS ARE CLEAR.
_______
 MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR
 DAMAGE.

 WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
 START A TASK ON OR NEAR:

 -
THE FLIGHT CONTROLS

 -
THE FLIGHT CONTROL SURFACES

 -
THE LANDING GEAR AND THE RELATED DOORS

 -COMPONENTS THAT MOVE. WARNING : WEAR AND ATTACH A SAFETY HARNESS WHEN YOU WORK ON HIGH SECTIONS. A
_______
 FALL CAN INJURE OR KILL YOU.

 CAUTION : DO NOT CAUSE DAMAGE TO THE SURFACES. THE COMPONENTS ARE MADE OF
_______
 CARBONFIBER REINFORCED PLASTIC.

 NOTE : The installation of the servo control actuator 34CE1 solenoid valve is
____ given. The installation of the servo control actuator 34CE2, 34CE3 and 34CE4 solenoid valves are the same.
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
R  No specific Torque Wrench : range 0.00 to 1.20 m.daN
R  (0.00 to 9.00 lbf.ft) 98D27309001000 1 TOOL-ELEVATOR NEUTRAL SETTING 98D27903500000 2 PIN-SIDE STICK LOCKING

 B. Expendable Parts -------------------------------------------------------------------------------
FIG.ITEM --------- |DESIGNATION ---------------------------------------- |IPC-CSN------------------------------
2  O ring  27-34-51 01 -210
 2  O ring  27-34-51 01A-210
 C. Referenced Information
 ------------------REFERENCE  -------------------------------DESIGNATION ------------------------------

-------------------------------------------------------------------------------
27-34-00-710-001 Operational Test of the Elevator and Hydraulic
 Actuation 29-10-00-864-001 Depressurize the Green Hydraulic System 29-10-00-864-002 Depressurize the Yellow Hydraulic System 29-10-00-864-003 Depressurize the Blue Hydraulic System 55-13-11-000-001 Removal of the THS Trailing Edge Access Panels 55-13-11-400-001 Installation of the THS Trailing Edge Access Panels AIPC 27345101230 27-34-51-991-004 Fig. 405
 3. Job Set-up
__________
 Subtask 27-34-51-860-065
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the elevator and the horizontal stabilizer controls are set to the neutral position.
　
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