W DOC AIRBUS | AMM A320F

Installation of the Stage 10 to HPT Air Control Valve [IAE]

TASK 75-23-51-400-010-B
Installation of the Stage 10 to HPT Air Control Valve

1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 1M(3 FT)
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 100 and 90 lbf.in (1.13 and 1.02 m.daN ) T
No specific
Torque wrench: range to between 170 and 150 lbf.in (1.92 and 1.70 m.daN ) T
No specific
Torque wrench: range to between 220 and 180 lbf.in (2.49 and 2.03 m.daN ) T
No specific
Torque wrench: range to between 325 and 275 lbf.in (3.67 and 3.11 m.daN ) T
No specific
Torque wrench: range to between 625 and 525 lbf.in (7.06 and 5.93 m.daN ) T
IAE1R18003
1
WRENCH
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.V02-119)
corrosion resistant steel lockwire
(Material No.V10-003)
anti-seize compound dry film lubricant
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR, 451AL
FOR [1000EM2] (ENGINE-2)
447AL, 448AR, 461AL
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
5
C-SEAL
AIPC 75-23-48-83-160
8
SEAL
AIPC 75-23-51-80-040
3
C-SEAL
AIPC 75-23-51-80-075
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 70-23-11-911-013-A
General Torque Tightening Techniques
TASK 70-23-13-911-010-A
Procedures for the Installation of Preformed Packings
TASK 70-23-15-912-010-A
Connection of Electrical Connectors
TASK 70-40-11-911-012-A
General Instructions for the Uses of Lockwire
TASK 71-13-00-010-010-A
Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-010-A
Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 73-22-00-710-040-A
Operational Test of the FADEC SYSTEM on the Ground
TASK 78-30-00-040-012-A
Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance
TASK 78-30-00-440-012-A
Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance
TASK 78-32-00-010-010-A
Opening of the Thrust Reverser Halves
TASK 78-32-00-410-010-A
Closing of the Thrust Reverser Halves
F Stage 10 to HPT Air Control Valve
F Stage 10 to HPT Air Flow Adapter
3. Job Set-up
Subtask 75-23-51-860-051-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
   (2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).
   (3) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
Subtask 75-23-51-010-055-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Make sure that the fan cowl doors are open: (Ref. AMM TASK 71-13-00-010-010)
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
     (b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
   (2) Make sure that the left thrust reverser door is open: (Ref. AMM TASK 78-32-00-010-010)
     (a) FOR [1000EM1] (ENGINE-1)
451AL
     (b) FOR [1000EM2] (ENGINE-2)
461AL
Subtask 75-23-51-040-053-A ** ON A/C NOT FOR ALL
C. Make sure that the thrust reverser Hydraulic Control Unit (HCU) is deactivated: (Ref. AMM TASK 78-30-00-040-012)
4. Procedure
Subtask 75-23-51-420-051-A ** ON A/C NOT FOR ALL
A. Installation of the stage 10 to HPT Air Control Valve
F Stage 10 to HPT Air Control Valve ** ON A/C NOT FOR ALL
Pre SBE 75-0081
   (1) Install a new AIPC 75-23-51-80-075 C-SEAL (3) to the control valve.
   (2) Apply lubricant.
CAUTION: APPLY THE ANTI-SEIZE COMPOUND MODERATLY.
     (a) Clean the thread of the bolts (5), then apply the anti-seize compound dry film lubricant (Material No.V10-003) .
   (3) Install the stage 10 to HP Turbine air valve
     (a) Put the valve and the bracket (4) in the correct position on the engine.
     (b) Install the bolts (5).
     (c) TORQUE the bolts to between 220 and 180 lbf.in (2.49 and 2.03 m.daN ) T (Ref. AMM TASK 70-23-11-911-013)
   (4) Install the outlet air tubes.
     (a) Connect the outlet air tubes (2) to the control valve using IAE1R18003 WRENCH.
     (b) TORQUE the union nuts of the outlet air tubes to between 625 and 525 lbf.in (7.06 and 5.93 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (5) Install the actuation air tube.
     (a) Install the fitting (7) to the valve if necessary.
       1 Install a new AIPC 75-23-51-80-040 SEAL (8) to the fitting (7) (Ref. AMM TASK 70-23-13-911-010)
       2 Install the fitting (7) to the valve.
       3 TORQUE the fitting (7) to between 325 and 275 lbf.in (3.67 and 3.11 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
     (b) Connect the actuation air tube (6) to the valve.
     (c) TORQUE the union nut of the actuation air tube to between 170 and 150 lbf.in (1.92 and 1.70 m.daN ) T (Ref. AMM TASK 70-23-11-911-013)
     (d) Safety the nut with the corrosion resistant steel lockwire (Material No.V02-119) (Ref. AMM TASK 70-40-11-911-012).
   (6) Install the servo air tube.
     (a) Connect the servo air tube (9) to the valve.
     (b) TORQUE the union nut of the servo air tube to between 100 and 90 lbf.in (1.13 and 1.02 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
     (c) Safety the nut with the corrosion resistant steel lockwire (Material No.V02-119) (Ref. AMM TASK 70-40-11-911-012).
   (7) Connect the electrical connector (1) (Ref. AMM TASK 70-23-15-912-010) to the control valve

SBE 75-0081: Installation of the stage 10 to HPT air flow adapter
F Stage 10 to HPT Air Flow Adapter ** ON A/C NOT FOR ALL
   (8) Install a new AIPC 75-23-48-83-160 C-SEAL (5) to the air flow adapter.
   (9) Apply lubricant.
CAUTION: APPLY THE ANTI-SEIZE COMPOUND MODERATLY.
     (a) Clean the thread of the bolts (3), then apply the anti-seize compound anti-seize compound dry film lubricant (Material No.V10-003) .
   (10) Install the stage 10 to HP turbine air flow adpater.
     (a) Put the air flow adapter and the bracket (4) in the correct position on the engine.
     (b) Install the bolts (3).
     (c) TORQUE the bolts to between 170 and 150 lbf.in (1.92 and 1.70 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (11) Install the outlet air tubes.
     (a) Connect the outlet air tubes (2) to the air flow adapter using IAE1R18003 WRENCH.
     (b) TORQUE the union nuts of the outlet air tubes to between 625 and 525 lbf.in (7.06 and 5.93 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (12) Install the air tube.
     (a) Connect the air tube (6) to the valve.
     (b) TORQUE the union nut of the actuation air tube to between 170 and 150 lbf.in (1.92 and 1.70 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
     (c) Safety the nut with the corrosion resistant steel lockwire (Material No.V02-119) .
5. Close-up
Subtask 75-23-51-410-052-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) Close the left thrust reverser half (Ref. AMM TASK 78-32-00-410-010)
     (a) FOR [1000EM1] (ENGINE-1)
451AL
     (b) FOR [1000EM2] (ENGINE-2)
461AL.
   (3) Remove the access platform(s).
Subtask 75-23-51-440-051-A ** ON A/C NOT FOR ALL
B. Activate the thrust reverser HCU (Ref. AMM TASK 78-30-00-440-012).
Subtask 75-23-51-410-053-A ** ON A/C NOT FOR ALL
C. Close Access
   (1) Close the fan cowls (Ref. AMM TASK 71-13-00-410-010)
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
     (b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
   (2) Remove the WARNING NOTICE(S).
Subtask 75-23-51-720-051-A ** ON A/C NOT FOR ALL
D. Do an operational test of the FADEC (Ref. AMM TASK 73-22-00-710-040) and make sure that on CFDS no faults related to the Stage 10 to HPT Air Control Valve are shown.
Pre SBE 75-0081
[Rev.10 from 2021] 2026.04.01 13:00:31 UTC
"Aviabrain" 2025