C. Referenced Information
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REFERENCE DESIGNATION
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12-12-29-611-001 Fill the Hydraulic Fluid Reservoir with a Hand Pump 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
29-00-00-910-002 Safety Procedures of the Hydraulic System
R 29-10-00-863-003 Pressurize the Blue Hydraulic System with a Ground
R Power Supply 29-10-00-864-003 Depressurize the Blue Hydraulic System 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through the Ground Connector 29-12-46-991-001 Fig. 401
3. Job Set-up
__________
Subtask 29-12-46-860-051
A. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(3)
Make sure that the reservoir of the Blue hydraulic system is depressurized. (Ref. TASK 29-14-00-614-001).
(4)
Make sure that the access panel 197BB is open.
(5)
Make sure that the container is in position below the location of the pulsation dampener.
(6)
Make sure that the warning notices are in position to tell persons not to pressurize the Blue hydraulic system:
-in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Blue hydraulic system.
Subtask 29-12-46-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 123VU B HYD/ELEC PUMP 2701GJ AB09
4. Procedure
_________
(Ref. Fig. 401/TASK 29-12-46-991-001) Subtask 29-12-46-910-050
A. Preparation for Installation
(1)
Remove the sealant from the mating surface of the pulsation dampener
(3) and the aircraft structure with a plastic or wooden scraper.
(2)
Clean the component interface and/or the adjacent area.
(3)
Do an inspection of the component interface and/or the adjacent area.
(4)
Apply a layer of SEALANTS (Material No. 09-018) to the mating surface of the pulsation dampener (3).
Subtask 29-12-46-420-050
B. Installation of the Pulsation Dampener CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN
_______ YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU USE THE SECOND WRENCH, YOU WILL NOT LOOSEN OR TIGHTEN THE UNION TOO MUCH.
CAUTION : YOU MUST INSTALL HYDRAULIC TUBES WITH HYDRAULIC FLUID AS
_______
LUBRICANT.
(1)
Remove the blanking plugs from the line ends.
(2)
Make sure that the hydraulic line end-fittings are serviceable.
(3)
Apply HYDRAULIC FLUIDS (Material No. 02-003) to the pipe
end-fittings.
(4)
Put the pulsation dampener (3) in position and install the nut (4).
(5)
Connect the hose (1) to the pulsation dampener (3).
(6)
TORQUE the pipe end-fitting (2) to between 5.4 and 5.9 m.daN (39.82 and 43.51 lbf.ft).
(7)
Connect the hose (6) to the pulsation dampener (3).
(8)
TORQUE the pipe end-fitting (5) to between 5.4 and 5.9 m.daN (39.82 and 43.51 lbf.ft).
Subtask 29-12-46-865-052
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 2701GJ, 2702GJ
Subtask 29-12-46-790-050
D. Leak Test of the Hydraulic Connections
(1)
Pressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-002).
(2) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM HYDRAULIC POWER 液压3(86)
