DOC AIRBUS | AMM A320FRemoval of the HPC Stage 10 Solenoid Valve [IAE]
TASK 75-32-53-000-010-A
Removal of the HPC Stage 10 Solenoid Valve
The HPC stage 10 solenoid valve controls the HPC stage 10 bleed valve.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 75-32-53-941-050-A ** ON A/C NOT FOR ALL
Subtask 75-32-53-010-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 03:12:39 UTC
Removal of the HPC Stage 10 Solenoid Valve
FIN: 4023KS ** ON A/C NOT FOR ALL
1. Reason for the JobThe HPC stage 10 solenoid valve controls the HPC stage 10 bleed valve.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | CAP - BLANKING |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-010-A | Opening of the Fan Cowls 437AL(447AL),438AR(448AR) |
HPC Stage 10 Solenoid ValveSubtask 75-32-53-941-050-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a 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) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
Subtask 75-32-53-010-052-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Put a 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) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
B. Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
Subtask 75-32-53-010-050-A ** ON A/C NOT FOR ALL
A. Remove the HP3 air inlet tube.
(1) Cut and discard the lockwire and disconnect the air inlet tube (1) from the solenoid valve.
(2) Cut and discard the lockwire and disconnect the air inlet tube from the HP3 air tube (7).
(3) Remove the air inlet tube.
Subtask 75-32-53-020-050-A ** ON A/C NOT FOR ALL (1) Cut and discard the lockwire and disconnect the air inlet tube (1) from the solenoid valve.
(2) Cut and discard the lockwire and disconnect the air inlet tube from the HP3 air tube (7).
(3) Remove the air inlet tube.
B. Remove the HPC stage 10 solenoid valve.
(1) Cut and discard the lockwire and disconnect the HP3 air outlet tube (3) from the solenoid valve (2).
(2) Remove the electrical connector (6) from the solenoid valve (2)
(3) Remove the bolts (4) and the washers (5) which attach the solenoid valve (2) to the mounting bracket (8).
(4) Remove the solenoid valve.
Subtask 75-32-53-620-050-A ** ON A/C NOT FOR ALL (1) Cut and discard the lockwire and disconnect the HP3 air outlet tube (3) from the solenoid valve (2).
(2) Remove the electrical connector (6) from the solenoid valve (2)
(3) Remove the bolts (4) and the washers (5) which attach the solenoid valve (2) to the mounting bracket (8).
(4) Remove the solenoid valve.
C. Put the CAP - BLANKING applicable on all the openings.