W DOC AIRBUS | AMM A320F

Removal of the Engine-Pump Case-Drain Filter


TASK 29-13-43-000-041-A
Removal of the Engine-Pump Case-Drain Filter


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.
FIN: 3084GM ** ON A/C NOT FOR ALL
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific
AR
CONTAINER 5 L (1.32 USGAL)
No specific
AR
COVER - PROTECTION
No specific
AR
WARNING NOTICE(S)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
195BB
FOR [1000EM2] (ENGINE-2)
447AL
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 29-10-00-864-002-A
Depressurize the Yellow Hydraulic System
TASK 29-14-00-614-001-A
Depressurization of the Hydraulic Reservoirs
FOR [1000EM2] (ENGINE-2)
TASK 71-13-00-010-040-B
Opening of the Fan Cowl Doors
3. Job Set-up
Subtask 29-13-43-860-055-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-10-00-864-002).
   (2) Depressurize the Yellow hydraulic reservoir (Ref. AMM TASK 29-14-00-614-001).
   (3) Put WARNING NOTICE(S) in position to tell persons not to pressurize the Yellow hydraulic system:
  • on the ground service panel 198CB.
   (4) Put WARNING NOTICE(S) on the access door 195BB to tell persons not to pressurize the Yellow hydraulic reservoir.
Subtask 29-13-43-941-054-A ** ON A/C NOT FOR ALL
B. Safety Precautions
   (1) On the center pedestal, on the ENG panel 115VU:
  • put WARNING NOTICE(S) to tell persons not to start the engine.
   (2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
   (3) Put WARNING NOTICE(S) in position to tell persons not to pressurize the Yellow hydraulic system:
  • in the cockpit, on the HYD section of the overhead panel 40VU.
   (4) On the overhead maintenance panel 50VU:
  • make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
   (5) Put WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
   (6) Put a CONTAINER 5 L (1.32 USGAL) below the case drain filter to collect the hydraulic fluid.
Subtask 29-13-43-010-054-A ** ON A/C NOT FOR ALL
C. Get Access
   (1) Open the left fan cowl door:
     (a) FOR [1000EM2] (ENGINE-2)
open the door 447AL (Ref. AMM TASK 71-13-00-010-040).
   (2) Open the access door 195BB.
   (3) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the engine.
4. Procedure
Subtask 29-13-43-020-054-A ** ON A/C NOT FOR ALL
A. Removal of the Case Drain Filter
   (1) Disconnect the upper case drain hose/tube (15) from the union (20) on the filter assembly (30).
NOTE: Use a second wrench to hold the union (20) on the filter assembly (30) when you loosen the coupling nut on the hose/tube.
   (2) Disconnect the lower case drain hose (45) from the elbow (40) on the filter assembly (30).
   (3) Remove the union (20) and the packing (25) from the filter assembly (30).
   (4) Remove the elbow (40), the nut (35) and the packing (25) from the filter assembly (30).
   (5) Remove the bolts (5) and the washers (10) that attach the filter assembly (30) to the support bracket.
   (6) Remove the filter assembly (30) from the engine.
   (7) Put COVER - PROTECTION on the open ports of the filter assembly (30), the hose/tube (15), the union (20), the elbow (40) and the hose (45).
   (8) Remove the container that was used to collect the hydraulic fluid.
[Rev.10 from 2021] 2026.04.01 00:21:32 UTC