W DOC AIRBUS | AMM A320F

Installation of the Hydraulic Pressure Transducer

TASK 29-32-11-400-002-A
Installation of the Hydraulic Pressure Transducer

WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
WARNING: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
FIN: 2065GN
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
CONTAINER 3 L(3/4 USGAL)
No specific
2
WARNING NOTICE(S)
No specific
Torque wrench: range to between 0.50 and 0.40 m.daN (44.25 and 35.40 lbf.in ) T
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.02ABA1)
Phosphate Ester Hydraulic Fluid-General Power - -
(Material No.14QEB1)
Wire-Locking Dia: 0.6 mm CRES Nickel Alloy -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
195BB
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
5
O-RING
AIPC 29-32-11-02-010
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 20-28-00-912-802-A
Electrical Bonding - General Maintenance Procedure
TASK 29-00-00-864-001-A
Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
TASK 29-00-00-910-002-A
Safety Procedures of the Hydraulic System
TASK 29-10-00-863-003-A
Pressurize the Blue Hydraulic System with a Hydraulic Ground Power-Cart
TASK 29-10-00-863-003-A-01
Pressurize the Blue Hydraulic System with the Blue Electric Pump
TASK 29-10-00-864-003-A
Depressurize the Blue Hydraulic System
TASK 29-14-00-614-001-A
Depressurization of the Hydraulic Reservoirs
TASK 29-14-00-614-002-A
Pressurization of the Hydraulic Reservoirs through the Ground Connector
TASK 29-14-00-614-002-A-01
Pressurization of the Hydraulic Reservoirs with the Auxiliary Power Unit (APU)
TASK 29-32-00-710-002-A
Operational Test of the Pressure Switches , Pressure Transducer and the associated Indicating System of the Blue Hydraulic System
F Hydraulic Pressure Transducer of the Blue Hydraulic System
3. Job Set-up
Subtask 29-32-11-860-058-A
A. Aircraft Maintenance Configuration
WARNING: OBEY THE HYDRAULIC SAFETY PROCEDURES.
   (1) Obey the hydraulic safety procedures (Ref. AMM TASK 29-00-00-910-002).
   (2) Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration.
(Ref. AMM TASK 29-00-00-864-001).
   (3) Make sure that the reservoir of the Blue hydraulic system is depressurized.
(Ref. AMM TASK 29-14-00-614-001).
   (4) Make sure that a WARNING NOTICE(S) is in position:
  • in the cockpit on the hydraulic section 40VU of the overhead panel
  • on the ground service panel of the Blue hydraulic system.
   (5) Make sure that the access panel 195BB is open.
   (6) Make sure that the CONTAINER 3 L(3/4 USGAL) is in position below the location of the hydraulic pressure transducer.
Subtask 29-32-11-865-059-A
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUHYD/HYD/PRESS/XMTR1841GNC11
4. Procedure
Subtask 29-32-11-420-054-B
A. Installation of the Hydraulic Pressure Transducer
   (1) Clean the component interfaces and the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) Lubricate the new AIPC 29-32-11-02-010 O-RING (5) with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) .
   (4) Remove the blanking plugs from the ports of the manifold (6).
   (5) Put the new O-ring (5) in position on the hydraulic pressure transducer (2).
   (6) Hold the hydraulic pressure transducer (2) in position on the manifold (6) and install the two bolts (3) and the washers (4).
   (7) TORQUE the bolts (3) to between 0.50 and 0.40 m.daN (44.25 and 35.40 lbf.in ) T.
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
   (8) Safety the bolts (3) with the 14QEB1Wire-Locking Dia: 0.6 mm CRES Nickel Alloy -.
   (9) Install the clamp (11), the bonding jumper (9), the screw (10), the washer (8) and the nut (7) at the hydraulic pressure transducer (2) (Ref. AMM TASK 20-28-00-912-802).
   (10) Remove the blanking cap from the electrical connector (1).
   (11) Make sure that all the electrical connections are clean and in the correct condition.
   (12) Connect the electrical connector (1).
Subtask 29-32-11-865-055-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUHYD/HYD/PRESS/XMTR1841GNC11
Subtask 29-32-11-790-051-A
C. Leak Test of the Hydraulic Connections
   (1) Pressurize the reservoir of the Blue hydraulic system (Ref. AMM TASK 29-14-00-614-002).
   (2) Pressurize the Blue hydraulic system (Ref. AMM TASK 29-10-00-863-003).
   (3) Examine the connection of the hydraulic pressure transducer and make sure that there are no leaks.
   (4) Depressurize the Blue hydraulic system (Ref. AMM TASK 29-10-00-864-003).
Subtask 29-32-11-710-051-A
D. Do the operational test of the hydraulic pressure-indicating system (Ref. AMM TASK 29-32-00-710-002).
5. Close-up
Subtask 29-32-11-860-059-A
A. Put the aircraft back to the serviceable condition.
   (1) Remove the container.
   (2) Remove the WARNING NOTICE(S).
Subtask 29-32-11-410-051-A
B. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the access panel 195BB.
[Rev.10 from 2021] 2026.04.01 00:27:40 UTC
"Aviabrain" 2025