(3)
Install the PIN-SIDE STICK LOCKING (98D27903500000) on the CAPT and F/O side sticks.
(4)
Put a warning notice on the CAPT and F/O side stick to tell persons not to touch the side sticks.
(5)
Put a warning notice on the pitch-trim control wheels to tell persons not to use the pitch trim.
Subtask 27-34-00-010-058
B. Get Access
(1)
Put the access platform in position.
(2)
Open the THS trailing edge access panels 334DB, 344DB (Ref. TASK 55-13-11-000-001).
4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
(Ref. Fig. 603/TASK 27-34-00-991-006)
Elevator Servo Control
Figure 603/TASK 27-34-00-991-006
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 27-34-00Page 620 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1
**ON A/C 301-399,
(Ref. Fig. 603A/TASK 27-34-00-991-006-A) **ON A/C ALL
(Ref. Fig. 604/TASK 27-34-00-991-007) Subtask 27-34-00-210-052
A. Check of the Differential-Pressure Indicator and of the Position of the Fluid-Reserve Piston of the Elevator Servo Controls
(1)
On each servo control (1), make sure that the indicator of the fluid-reserve (2) piston is in the maximum extended position.
(2)
Depressurize the aircraft hydraulic systems (Ref. TASK 29-23-00-864-001) (Ref. TASK 29-24-00-864-001) (Ref. TASK 29-10-00-864-003).
(3)
Put the warning notices in position to tell persons not to pressurize the hydraulic systems :
(a)
in the cockpit, on the HYD section of the overhead panel 40VU.
(b)
on the ground service panels of the hydraulic systems.
(4)
Remove the protective plug from the differential pressure sensor (3).
(5)
Cut and discard the lockwire on the protective plug (6) of the drain system (4).
(6)
Remove the cotter pin (8), the washer (7) and the protective plug (6) of the drain system (4).
(7)
Remove the obturator (5).
(8)
Install the DRAINING TOOL (0U145914) on the drain system (4).
(9)
Drain the fluid reserve (2). NOTE : When the fluid drains, make sure that the position indicator
____ of the fluid- reserve (2) piston moves continuously to maximum retracted position. Make sure that it stays in the retracted position. If not, remove the servo control (1) for repair.
R 1EFF : ALL 1 27-34-00Page 621 1 1 Feb 01/05 1 1 1CES 1
Elevator Servo Control
Figure 603A/TASK 27-34-00-991-006-A
R 1EFF : 301-399, 1 27-34-00 Page 622
1 1 Feb 01/05
1 1
1CES 1
Differential Pressure Sensor and Drain System Figure 604/TASK 27-34-00-991-007
1EFF : 1 1R 1CES ALL 1 11 1 27-34-00 Page 623 Feb 01/05
(10)
Remove the DRAINING TOOL (0U145914).
(11)
Push in the indicator of the differential pressure sensor (3).
(12)
Make sure that it stays pushed in.
If not, remove the servo control (1) for repair.
(13)
Pressurize the hydraulic systems (Ref. TASK 29-23-00-863-001) (Ref. TASK 29-24-00-863-001) (Ref. TASK 29-10-00-863-003).
(14)
Make sure that :
-
the indicator of the fluid-reserve (2) piston,
-
the indicator of the differential pressure sensor (3)
are in the extended position.
If not, remove the servo control (1) for repair.
(15)
Install the protective plug on the differential pressure sensor (3).
(16)
Install the obturator (5).
(17)
Install the protective plug (6) on the drain system (4).
(18)
Install the washer (7) and the new cotter pin (8).
(19)
Secure with the lockwire 0.8 mm the protective plug (6) on the drain system (4).
5. Close-up
________ Subtask 27-34-00-860-063
A. Put the aircraft back to its initial configuration.
(1)
Depressurize the hydraulic systems (Ref. TASK 29-23-00-864-001) (Ref. TASK 29-24-00-864-001) (Ref. TASK 29-10-00-864-003).
(2)
Make sure that the level of hydraulic fluid in the (Green, Blue and Yellow) reservoirs is correct. Fill the reservoirs if necessary (Ref. TASK 12-12-29-611-001).
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