R No specific Torque Wrench : range 0.00 to 1.20 m.daN R (0.00 to 9.00 lbf.ft) No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00 to 26.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 02-003 F NSA 307110 TYPE 4
HYDRAULIC FLUID (PHOSPHATE ESTER BASE)
(Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
-------------------------------------------------------------------------------
25 packing 29-11-43 01B-020 R 25 packing 29-11-43 01B-040
D. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
29-11-00-710-001 Operational Test of the Green Hydraulic System 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-23-00-864-001 Depressurize the Green and Yellow Hydraulic Systems
after Operation of the PTU
71-13-00-410-040 Closing of the Fan Cowl Doors
29-11-43-991-903 Fig. 401
3. Job Set-up
__________
Subtask 29-11-43-860-056
A. Aircraft Maintenance Configuration
(1)
Make sure that the Green hydraulic system is depressurized (Ref. TASK 29-23-00-864-001).
(2)
Make sure that the Green hydraulic reservoir is depressurized (Ref. TASK 29-14-00-614-001).
(3)
Make sure that the warning notice(s) is (are) in position to tell persons not to pressurize the Green hydraulic system: - on the ground service panel 197CB.
(4)
Make sure that the warning notice(s) is (are) in position on the access door 195BB to tell persons not to pressurize the Green hydraulic reservoir.
(5)
Make sure that the access platform is in position at the engine
(6)
Make sure that the fan-cowl door is open.
Subtask 29-11-43-941-056
B. Safety Precautions
(1)
On the center pedestal, on the ENG panel 115VU:
-make sure that the warning notice(s) is (are) in position to tell persons not to start the engine.
(2)
Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3)
Make sure that the warning notice(s) is (are) in position to tell persons not to pressurize the Green hydraulic system:
-in the cockpit, on the HYD section of the overhead panel 40VU.
(4)
On the overhead maintenance panel 50VU:
-make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(5)
Make sure that the warning notice(s) is (are) in position to tell persons not to energize the FADEC 1(2).
(6)
Make sure that a container is below the case drain filter.
4. Procedure
_________ (Ref. Fig. 401/TASK 29-11-43-991-903) Subtask 29-11-43-420-055 R A. Installation of the Case Drain Filter
(1)
Remove the protective covers from the ports on the filter assembly (30), the hose/tube (15), the union (20), the elbow (40) and the hose (45).
(2)
Install the filter assembly (30) on the support bracket with the bolts (5) and the washers (10).
(3)
TORQUE the bolts (5) to between 0.84 and 0.96 m.daN (74.33 and 84.95 lbf.in).
(4)
Apply HYDRAULIC FLUIDS (Material No. 02-003) to the new packings (25).
(5)
Put the new packing (25) on the union (20) and install the union (20) in the port at the top of the filter assembly (30).
NOTE : The packing (25) is supplied with the union (20).
____
(6)
TORQUE the union (20) to between 2.82 and 3.39 m.daN (20.79 and 24.99 lbf.ft).
(7)
Connect the upper case drain hose/tube (15) to the union (20) on the filter assembly (30).
(8)
TORQUE the coupling nut on the upper case drain hose (15) to between
2.42 and 2.76 m.daN (17.84 and 20.35 lbf.ft).
NOTE : Use a second wrench to hold the union (20) when you TORQUE the
____
coupling nut.
R (9) Put the bulkhead nut (35) and the new packing (25) on the elbow (40).
(10) Install the elbow (40) on the filter assembly (30), as follows:
中國航空網(wǎng) www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320飛機維護手冊 AMM HYDRAULIC POWER 液壓2(77)
