(2)
Turn the three manual selector valves from the CLOSED to the OPEN position and back to the CLOSED position. Make sure that the valves are free to turn and have no leaks.
5. Close-up
________ Subtask 29-19-41-860-060
A. Put the aircraft back to the serviceable condition.
(1)
Depressurize the Yellow hydraulic system
(Ref. TASK 29-10-00-864-002).
(2)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
(3)
Remove the container from below the manifold (1).
(4)
Remove the warning notices from the cockpit and the ground service panel.
Subtask 29-19-41-410-052
B. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access door 196BB.
SOLENOID VALVE - LEAKAGE MEASUREMENT (1150GP,2150GP,3150GP)
___________________________________________________________ REMOVAL/INSTALLATION
____________________
TASK 29-19-51-000-001
Removal of the Leakage-Measurement Solenoid Valve (1150GP)
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______ CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific blanking caps
No specific blanking plugs
No specific circuit breaker(s) safety clip(s)
No specific warning notices
No specific container 1.0 l (0.2641 USgal)
No specific access platform 3.0 m (9 ft. 10 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
20-23-21-911-001 Removal/Installation of the Bobbins from their Housings and Installation of O-rings, Square Seals, and Back-up Rings on the Bobbins
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 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-23-00-860-001 Disconnection of the Isolation Coupling of the Power
Transfer Unit (PTU)
R 1EFF : 001-049, 051-058, 101-101, 1 29-19-51Page 401 1 1 May 01/05 1 1 1CES 1 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
32-12-00-010-001 Open the Main Gear Doors for Access 29-19-51-991-003 Fig. 401
3. Job Set-up
__________ Subtask 29-19-51-865-050
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU HYDRAULIC/SOL VALVES/G/Y/B/LEAK/TST 1881GP N35
Subtask 29-19-51-010-050
B. Get Access
(1) Open one main door of the main gear (Ref. TASK 32-12-00-010-001).
(2)
Put the access platform in position. Subtask 29-19-51-860-050
C.
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 Green hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(3)
Depressurize the reservoir of the Green hydraulic system. (Ref. TASK 29-14-00-614-001).
(4)
Disconnect the isolation coupling of the Power Transfer Unit (PTU) (Ref. TASK 29-23-00-860-001).
R 1EFF : 001-049, 051-058, 101-101, 1 29-19-51Page 402 1 1 May 01/05 1 1 1CES 1 Subtask 29-19-51-941-050
D. Safety Precautions
(1)
Put the warning notices in position to tell persons not to pressurize the Green hydraulic system:
-in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Green hydraulic system. 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5(77)
