W DOC AIRBUS | AMM A320F

Installation of the Transducer - Total Pressure (131-9(A))

TASK 49-51-17-400-002-A
Installation of the Transducer - Total Pressure (131-9(A))

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
Torque wrench: range to between 0.495 and 0.405 m.daN (43.81 and 35.84 lbf.in ) T
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.03ABA1)
Synthetic base Lubricating Oil-Turbine Engine - -
(Material No.03ABB1)
Synthetic base Lubricating Oil-Turbine Engine Low Temp. -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
315AL, 316AR
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
2
PACKING
AIPC 49-51-09-01-200
2
PACKING
AIPC 49-51-84-30-190
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 24-42-00-861-001-A
Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A
De-energize the Ground Service Network Supplied from the External Power
TASK 29-00-00-864-001-A
Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
TASK 31-32-00-860-001-A
Procedure to Get Access to the SYSTEM REPORT/TEST Menu Page
TASK 49-00-00-860-008-A
APU Start by External Power
TASK 49-00-00-860-008-A-01
APU Start by Batteries
TASK 49-00-00-860-009-A
APU Shutdown by External Power (131-9(A))
TASK 49-00-00-860-009-A-01
APU Shutdown by Batteries (131-9(A))
TASK 52-41-00-010-001-A
Open the APU Doors for Access
TASK 52-41-00-410-001-A
Close the APU Doors after Access
F Total Pressure Sensor
3. Job Set-up
Subtask 49-51-17-860-054-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
   (2) On the panel 25VU, make sure that the APU MASTER SW p/bsw is OFF.
   (3) Make sure that there is a warning notice in the cockpit to tell persons not to start the APU.
   (4) Make sure that the hydraulic systems are depressurized
(Ref. AMM TASK 29-00-00-864-001).
   (5) Make sure that the access platform is in position below the APU compartment.
   (6) Make sure that the APU access doors are open (Ref. AMM TASK 52-41-00-010-001).
   (7) Make sure that the LIGHT control SW 11LJ is set to the ON position.
Subtask 49-51-17-865-054-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUAPU/APU/CTL2KDL42
121VUAPU/ECB/SPLY1KDL41
4. Procedure
Subtask 49-51-17-420-051-A ** ON A/C NOT FOR ALL
A. Installation of the Total Pressure Transducer
   (1) Remove the blanking plug from the APU port.
   (2) Lubricate the new AIPC 49-51-09-01-200 PACKING (2) or AIPC 49-51-84-30-190 PACKING (2) with Synthetic base Lubricating Oil-Turbine Engine - - (Material No.03ABA1) or Synthetic base Lubricating Oil-Turbine Engine Low Temp. - (Material No.03ABB1) .
   (3) Install the new packing (2) on the transducer (3).
   (4) Put the transducer (3) into the APU.
   (5) TORQUE the nut (1) to between 0.495 and 0.405 m.daN (43.81 and 35.84 lbf.in ) T
   (6) Remove the blanking caps from the electrical connectors.
   (7) Connect the electrical connector (4) to the transducer (3).
Subtask 49-51-17-865-055-A ** ON A/C NOT FOR ALL
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUAPU/APU/CTL2KDL42
121VUAPU/ECB/SPLY1KDL41
Subtask 49-51-17-710-052-A ** ON A/C NOT FOR ALL
C. Test
   (1) Energize the CFDS to get the SYSTEM REPORT/TEST page for the APU (Ref. AMM TASK 31-32-00-860-001).
   (2) Set the APU MASTER SW 14KD to ON.
   (3) Do this Test.
ACTION
RESULT
1.On the MCDU:
  • push the pushbutton adjacent to the APU indication.
On the MCDU:
  • the APU menu page comes on.
  • push the pushbutton adjacent to the SYSTEM SELF-TEST indication.
  • the APU SYSTEM SELF-TEST page comes on and shows the message
    IN PROGRESS.
  • the message
    TEST OK
    comes on.
2.On the MCDU:
  • push the pushbutton adjacent to the RETURN display.
On the MCDU:
  • the APU menu page comes on.
  • push the pushbutton adjacent to the RETURN display.
  • the SYSTEM REPORT/TEST page comes on.
  • push the pushbutton adjacent to the RETURN display.
  • the CFDS page comes on.
   (4) Start and operate the APU. (Ref. AMM TASK 49-00-00-860-008)
   (5) Examine the total pressure transducer (2) for air leaks.
NOTE: No leaks are permitted.
   (6) Stop the APU. (Ref. AMM TASK 49-00-00-860-009)
5. Close-up
Subtask 49-51-17-410-052-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Set the LIGHT control SW 11LJ to the OFF position.
   (3) Close the APU access doors 315AL 316AR (Ref. AMM TASK 52-41-00-410-001).
   (4) Remove the access platform(s).
Subtask 49-51-17-860-055-A ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) Put the related hydraulic system in the pressurized configuration (Ref. AMM TASK 29-00-00-864-001).
   (2) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
   (3) Remove the WARNING NOTICE(S).
[Rev.10 from 2021] 2026.04.01 01:30:58 UTC
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