A320飞机维护手册 AMM HYDRAULIC POWER 液压2(79)

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R  (2) Make sure that the engine 1(2) shutdown occurred not less than 5 
R  minutes before you do this procedure. 
R  (3) Put warning notice(s) in position to tell persons not to pressurize 
R  the Green hydraulic system: 
R  - In the cockpit, on the HYD section of the overhead panel 40VU. 
R  (4) On the overhead maintenance panel 50VU: 
R  - Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) 
R  pushbutton switch is off. 
R  (5) Put warning notice(s) in position to tell persons not to energize the 
R  FADEC 1(2). 
R  (6) Put a container below the case drain filter differential pressure 
R  indicator.

 

R  Subtask 29-11-43-010-057 
R  C. Get Access 
R  (1) Open the left fan cowl door 437AL (Ref. TASK 71-13-00-010-040). 
R  (2) Put the access platform in position at the engine. 
R  4. Procedure_________ 
R  (Ref. Fig. 402/TASK 29-11-43-991-906) 
R  Subtask 29-11-43-020-059 
R  A. Removal of the Engine-Pump Case-Drain Filter Differential Pressure 
R  Indicator 
R  (1) Cut the safety wire between the differential pressure indicator (10) 
R  and the filter module head. 
R  (2) Remove the differential pressure indicator (10), the ring (20) and 
R  the packings (30). 
R  (3) Put blanking cover on the case drain filter differential pressure 
R  indicator port on the filter module head.

 

R Engine-Pump Case-Drain Filter Differential Pressure Indicator Figure 402/TASK 29-11-43-991-906
 1EFF : ALL 1 29-11-43Page 413 1 1 Nov 01/04 1 1 1CES 1 TASK 29-11-43-400-043

 Installation of the Engine-Pump Case-Drain Filter Differential Pressure
 Indicator

 WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
 WARNING : DO NOT TOUCH THE HYDRAULIC SYSTEM COMPONENTS FOR A SHORT TIME AFTER
_______ THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS STAY HOT FOR SOME TIME AND CAN CAUSE INJURY.
 CAUTION : DO NOT LET HYDRAULIC FLUID FALL ON THE ENGINE. UNWANTED HYDRAULIC
_______ FLUID MUST BE REMOVED IMMEDIATELY WITH A CLEAN LINT FREE CLOTH. THE FLUID CAN CAUSE DAMAGE TO THE SURFACE PROTECTION AND TO SOME PARTS.
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice(s)
 No specific access platform 1.50 m (4 ft. 11 in.)
 No specific container 5 l (1.3208 USgal)
 No specific Torque Wrench : range 36.00 to 220.00 lbf.in

 (0.40 to 2.60 m.daN)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R 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
 -------------------------------------------------------------------------------
R 20 ring 29-11-43 02 -050 R 30 packings 29-11-43 02 -060
 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
 71-13-00-010-040 Opening of the Fan Cowl Doors
 71-13-00-410-040 Closing of the Fan Cowl Doors
 29-11-43-991-906 Fig. 402

 3. Job Set-up
__________
 Subtask 29-11-43-860-062
 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:
　
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