(2)
Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(3)
Depressurize the reservoir of the Yellow 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).
(5)
Put the warning notices in position to tell persons not to pressurize the Yellow hydraulic system:
-In the cockpit on the hydraulic section 40VU of the overhead panel,
-On the ground service panel of the Yellow hydraulic system.
(6)
Put the lint-free cloth below the hydraulic connections of the manual selector valve to collect the hydraulic fluid.
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4. Procedure
_________ (Ref. Fig. 401/TASK 52-36-15-991-001) Subtask 52-36-15-020-050
A. Removal of the Manual Selector Valve 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.
(1)
Remove the selector (3) from the control panel as follows:
(a)
Remove the screw (1) and the washer (2) from the selector (3).
(b)
Move the selector (3) from the square axle of the valve body (13).
(2)
Disconnect the electrical connector (11) from the from the receptacle of the proximity switch (12).
(3)
Put blanking caps on the disconnected electrical connectors.
(4)
Disconnect the hydraulic connections as follows:
(a)
Loosen the union nuts (4), (16), (20) and (21) from the valve body (13).
(b)
Disconnect the hydraulic lines (5), (17), (18) and (19) from the the valve body (13).
(c)
Put blanking plugs on the disconnected line ends.
(5)
Disconnect the bonding strap (8) as follows:
(a)
Remove the bolt (6), the washer (7) and the nut (22) from the valve body (13).
(b)
Remove the bonding strap (8) from the valve body (13).
(6)
Remove the bolts (9) and the washers (10) and disconnect the valve body (13) from the mounting (15).
(7)
Remove the O-ring (14) from the the valve body (13).
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Manual Selector Valve Figure 401/TASK 52-36-15-991-001
1EFF : 1 1R 1CES ALL 1 11 1 52-36-15 Page 406 May 01/04
TASK 52-36-15-400-001
Installation of the Manual Selector Valve 2501MJ/2504MJ
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 lint-free cloth
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)
Material No. 08-007 USA MIL-R-46082 TYPE II
SEALANT, HIGH TEMP. (Ref. 20-31-00)
C. Expendable Parts 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 DOORS 舱门6(121)
