(2)
Make sure that the PIN-SIDE STICK LOCKING (98D27903500000) is in the CAPT and F/O side stick controllers.
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(3)
Make sure that the TOOL-ELEVATOR NEUTRAL SETTING (98D27309001000) is installed on the elevator.
(4)
Make sure that the hydraulic systems are depressurized (Ref. TASK 29-10-00-864-001), (Ref. TASK 29-10-00-864-002), (Ref. TASK 29-10-00-864-003).
(5)
Make sure that the warning notices are in the flight compartment to tell persons not to operate the flight controls.
(6)
Make sure that the warning notices are in position to tell persons not to operate the hydraulic systems.
(7)
Make sure that the access platforms are in position at zone 334 and/or zone 344.
(8)
Make sure that access panels 334DB and/or 344DB are open (Ref. TASK 55-13-11-000-001).
Subtask 27-34-51-865-077
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/ELAC1/NORM/SPLY 15CE1 B11 49VU FLIGHT CONTROLS/FCDC1/SPLY 20CE1 B10 49VU FLIGHT CONTROLS/THS/ACTR/MOT2 19CE2 B09 49VU FLIGHT CONTROLS/SEC1/NORM/SPLY 21CE1 B08 105VU FLIGHT CONTROLS/ELAC2/STBY SPLY 16CE2 A02 105VU FLT CTL/ELAC1/STBY SPLY 16CE1 A01 105VU FLT CTL/SEC1/STBY SPLY 22CE B01 121VU FLIGHT CONTROLS/FCDC2/SPLY 20CE2 Q20 121VU FLIGHT CONTROLS/SEC2/SPLY 21CE2 Q18 121VU FLIGHT CONTROLS/THS ACTR/MOT3 19CE3 Q17 121VU FLIGHT CONTROLS/THS ACTR/MOT1 19CE1 Q16 121VU FLIGHT CONTROLS/ELAC2/NORM/SPLY 15CE2 R20
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Subtask 27-34-51-140-052
C. Cleaning
(1)
Clean the component interface and/or the adjacent area.
(2)
Make sure that the parts retained from the removed component are clean and in the correct condition.
4. Procedure
_________
(Ref. Fig. 404/TASK 27-34-51-991-003) Subtask 27-34-51-420-053
A. Installation of the Servo Control Actuator Servo Valve WARNING : WEAR GOGGLES WHEN YOU REMOVE OR INSTALL THE LOCKWIRE. CUT,
_______ REMOVE AND DISCARD THE LOCKWIRE AS YOU DO THE TASK. LOOSE LOCKWIRE CAN CUT OR BLIND YOU.
NOTE : Make sure that the servocontrol is at neutral position to prevent
____
any damage to the servovalve feedback ball-probe.
(1)
Apply COMMON GREASE (Material No. 04-004) to the bolts (4).
(2)
Put the O ring (2) and Oring (3)in position on the servo valve (6).
(3)
Put the servo valve (6) in position on the servo control actuator and support it.
(4)
Install the washers (5) and the bolts (4) into the servo valve (6).
(5)
TORQUE the bolts (4) to between 0.21 and 0.26 m.daN (18.58 and 23.00 lbf.in).
(6)
Safety the bolts (4) with lockwire, corrosion resistant steel 0,6mm (0.027in).
(7)
Connect Electrical Connectors.
(a)
Remove the blanking caps.
(b)
Connect the electrical connectors (1).
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Subtask 27-34-51-081-051
B. Remove Locking Devices
(1) Remove the PIN-SIDE STICK LOCKING from the CAPT and F/O side stick controllers.
(2) Remove the TOOL LOCKING ELEVATOR from the elevator. Subtask 27-34-51-865-055
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 15CE1, 15CE2, 16CE1, 16CE2, 19CE1, 19CE2, 19CE3, 20CE1, 20CE2, 21CE1, 21CE2, 22CE
Subtask 27-34-51-710-051
D. Operational Test
(1) Do an operational test of the servo controls. (Ref. TASK 27-34-00-710-001)
Subtask 27-34-51-210-056
E. Visual Inspection
(1) Inspect the servo valve for leaks.
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