A320飞机维护手册 AMM HYDRAULIC POWER 液压4(17)

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REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
12-12-29-611-001  Fill the Hydraulic Fluid Reservoir with a Hand Pump
 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 29-10-00-863-002 Pressurize the Yellow Hydraulic System 29-10-00-864-002 Depressurize the Yellow 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) 29-23-00-860-002 Connection of the Isolation Coupling of the Power Transfer Unit (PTU)
 **ON A/C 001-049, 051-058, 101-101,
 29-13-33-991-001  Fig. 401
R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
 29-13-33-991-001-B  Fig. 401A **ON A/C ALL

 3. Job Set-up
__________
 Subtask 29-13-33-860-051
 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 warning notices are 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.

 (3)
 Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).

 (4)
 Make sure that the reservoir of the Yellow hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).

 (5)
 Make sure that the access door 198CB and the access panel 196BB are open.

 (6)
 Make sure that the container is in position below the PTU manifold.

 (7)
 Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected (Ref. TASK 29-23-00-860-001).

 Subtask 29-13-33-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/LOW/LVL/IND 1832GQ N32 121VU HYDRAULIC/HYD POWER/Y 3803GX N30 121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35 123VU Y HYD/ELEC/PUMP 3802GX AB06 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
 1EFF : ALL 1 29-13-33Page 408 1 1 May 01/04R 1 1 1CES 1

 4. Procedure
_________
 **ON A/C 001-049, 051-058, 101-101,

 (Ref. Fig. 401/TASK 29-13-33-991-001) R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
 (Ref. Fig. 401A/TASK 29-13-33-991-001-B)
 **ON A/C 001-049, 051-058, 101-101,

 Subtask 29-13-33-560-050
 A. Preparation for Installation
 (1)
 Remove the blanking plugs from the PTU manifold and the priority valve (1).

 (2)
 Apply HYDRAULIC FLUIDS (Material No. 02-003) to the O-rings (4), the back-up rings (7), (8) and the square-section seals (6).

 (3)
 Position the new back-up rings (7) on the sides of the bobbins (5) without the identification grooves (equipment side).

 (4)
 Position the new square-section seals (6) on the sides of the bobbins

 (5) without the identification grooves (equipment side).

 (5)
 Position the new back-up rings (8) on the sides of the bobbins (5) with the identification grooves (manifold side).

 (6)
 Position the new O-rings (4) on the sides of the bobbins (5) with the identification grooves (manifold side).

 (7)
 Install the bobbins (5) with the identification grooves in the ports of the manifold (Ref. TASK 20-23-21-911-001).

 

 

R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
 Subtask 29-13-33-560-050-A
 A. Preparation for Installation
 (1)
 Remove the blanking plugs from the PTU manifold and the priority valve (1).

 (2)
 Apply HYDRAULIC FLUIDS (Material No. 02-003) to the O-rings (4), the back-up rings (7), (8) and the square-section seals (6).

 (3)
 Position the new back-up rings (7) on the sides of the bobbins (5) without the identification grooves (equipment side).

 (4)
 Position the new square-section seals (6) on the sides of the bobbins
　
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