W DOC AIRBUS | TSM A320F

Overpressure Valve of the Engine 2 Blocked in the not Fully Open Position


TASK 36-11-00-810-812-A
Overpressure Valve of the Engine 2 Blocked in the not Fully Open Position


1. Possible Causes
  • VALVE-OVERPRESSURE, ENG 2 [5HA2]
  • BMC-2 [1HA2]
  • wiring from the BMC2 (1HA2) to the overpressure valve (5HA2)
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
ASM 361102
AMM 36-11-34-000-001
Removal of the BMC
AMM 36-11-34-400-001
Installation of the BMC
AMM 36-11-53-000-001
Removal of the Overpressure Valve
AMM 36-11-53-400-001
Installation of the Overpressure Valve
AMM 36-11-53-720-001
Functional Test of the Overpressure Valves with the Bleed Test Set P/N 98D36003000000
3. Fault Confirmation
Subtask 36-11-00-720-056-A ** ON A/C NOT FOR ALL
A. Test.
   (1) Do the functional test of the engine 2 overpressure valve (5HA2) AMM 36-11-53-720-001.
4. Fault Isolation
Subtask 36-11-00-810-053-A ** ON A/C NOT FOR ALL
A. If the functional test of the engine 2 overpressure valve (5HA2) is not correct:
   (1) If the fault continues:
   (2) If the fault continues:
  • do a check and repair the wiring from the BMC2 (1HA2) to the overpressure valve (5HA2), pin AA/10A to pin A/1 ASM 361102.
Subtask 36-11-00-810-053-B ** ON A/C NOT FOR ALL
A. If the functional test of the engine 2 overpressure valve (5HA2) is not correct:
   (1) If the fault continues:
   (2) If the fault continues:
  • do a check and repair the wiring from the BMC2 (1HA2) to the overpressure valve (5HA2), pin AA/10A to pin A/1 ASM 361102.
Subtask 36-11-00-710-057-A ** ON A/C NOT FOR ALL
B. After the subsequent flight, make sure that the fault does not continue.
[Rev.8 from Aug 2018] 2026.04.04 04:33:41 UTC