(d) Open the valve V2 until you collect approximately 10 l (2.6416 USgal) hydraulic fluid.
NOTE : The system pressure can decrease to 0 during dry motoring.
____
(e)
Close the valve V2.
(f)
Stop the dry motoring of the engine No.2 (Ref. TASK 71-00-00-710-001).
(2) Replacement of the Fluid in the Suction, Pressure and Case Drain Lines of the Yellow Electric Pump (3075GX):
R (a) On the TOOL - HYDRAULIC FLUID CHANGE (DH0501):
-make sure that the valve V1 is open.
(b) Pressurize the Yellow hydraulic system with the E-pump (Ref. TASK 29-24-00-863-001).
R (c) On the TOOL - HYDRAULIC FLUID CHANGE (DH0501): - open the valve V2 until you collect 4 liters of fluid.
(d)
Close the valve V2.
(e)
Depressurize the Yellow hydraulic system (Ref. TASK 29-24-00-864-001).
(3) Replacement of the Fluid in the Supply and Return Lines of the Primary Servocontrols and the Cargo Door System:
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.
(a) On the overhead maintenance panel 50VU, release the LEAK MEASUREMENT VALVES/Y pushbutton switch (the OFF legend is off).
R (b) On the TOOL - HYDRAULIC FLUID CHANGE (DH0501) open the valve V1 and keep it open during the full procedure.
NOTE : Increase the rate of flow and the pressure as necessary.
____
(c) Pressurize the Yellow hydraulic system with the E-pump (Ref. TASK 29-24-00-863-001). Make sure that the system pressure shown on the ECAM SD and on the pressure gauge of the system accumulator is correct.
R (d) In the cockpit, operate the flight controls.
R (e) On the panel 11VU, move the GND SPLRS ARMED lever to the FULL
R position and then to the RET position. Do this step 3 times.
R NOTE : The spoilers 2 LH and RH operate.____
R (f) On the panel 18VU or 19VU, move the side stick fully to the left
R and then fully to the right. Do this step 3 times.
R NOTE : The spoilers 2 LH and RH operate.____
R (g) On the panel 18VU or 19VU, move the side stick fully forward and
R then fully rearward. Do this step 3 times.
R NOTE : The elevators operate.____
R (h) At the captain or first officer position, push the LH pedal fully
R forward and then the RH pedal fully forward. Do this step 3
R times.
R NOTE : The rudder operates.____
R (i) On the panel 114VU, move the flap/slat lever to the FULL position
R and then to the 0 deg position. Do this step 2 times.
R NOTE : The flaps operate.____
R (j) Open and close the FWD and AFT cargo doors (Ref. TASK 52-30-00-
R 860-001) and (Ref. TASK 52-30-00-860-002). Do this step 5 times.
R (k) Depressurize the Yellow hydraulic system (Ref. TASK 29-24-00-864-
R 001).
R 5. Close-up________
R Subtask 12-36-29-610-069
R A. Replace the filter element of the LP filter (3002GM) (Ref. TASK 29-13-44-
R 610-001).
R **ON A/C 001-001, 051-052,
Subtask 12-36-29-860-123
B. Aircraft Maintenance Configuration
(1)
On the overhead maintenance panel 50VU, make sure that the LEAK MEASUREMENT VALVES/Y pushbutton switch is set to off (the OFF legend is on).
(2)
On the Yellow HP manifold (3011GM), remove the plug type E0052R8B3APNE from the pressure switches (3151GN) and (10CE3) and connect the pressure switches (3151GN) and (10CE3).
(3)
Close the valves V1 and V2 on the TOOL - HYDRAULIC FLUID CHANGE (DH0501).
(4)
Disconnect the LP2 line from the T-fitting.
(5)
Remove the plug from the T-fitting.
(6)
Remove the T-fitting from the LP manifold (3003GM).
(7)
Install the plug with a new O-ring in the manifold.
(8)
TORQUE the plug to between 3.186 and 3.470 m.daN (23.49 and 25.58 lbf.ft).
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320飛機維護手冊 AMM SERVICING 2(138)
