DOC AIRBUS | AMM A320FRemoval of the Compressor Pneumatic Overheat-Sensor
TASK 21-61-18-000-001-A
Removal of the Compressor Pneumatic Overheat-Sensor
Self explanatory
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 21-61-18-861-050-A ** ON A/C NOT FOR ALL Subtask 21-61-18-865-053-A ** ON A/C NOT FOR ALL
Subtask 21-61-18-020-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:11:38 UTC
Removal of the Compressor Pneumatic Overheat-Sensor
WARNING:
MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE.
HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.
NOTE: The procedure is the same for the compressor pneumatic overheat-sensors 10HM9 and 11HM9.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | PLUG - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [10HM9] (SENSOR-COMPRESSOR PNEUMATIC OVHT) | |
| 191KB | |
| FOR [11HM9] (SENSOR-COMPRESSOR PNEUMATIC OVHT) | |
| 192KB | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| TASK 53-35-13-000-002-A | Removal of the Quick-Release Access Panels from the Belly Fairing Structure |
Compressor Pneumatic Overheat-SensorSubtask 21-61-18-861-050-A ** ON A/C NOT FOR ALL Subtask 21-61-18-865-053-A ** ON A/C NOT FOR ALL
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 21-61-18-010-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 10HM9 (SENSORCOMPRESSOR PNEUMATIC OVHT) | |||
| 122VU | AIR COND/PACK TEMP/CTL SYS1/1/115VAC | 1HH | X22 |
| 122VU | AIR COND/PACK TEMP/CTL SYS1/1/28VDC | 3HH | X21 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/1/28VDC | 4HH | Y19 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/1/115VAC | 2HH | Y18 |
| FOR FIN: 11HM9 (SENSORCOMPRESSOR PNEUMATIC OVHT) | |||
| 122VU | AIR COND/PACK TEMP/CTL SYS1/2/115VAC | 21HH | W22 |
| 122VU | AIR COND/PACK TEMP/CTL SYS1/2/28VDC | 23HH | W21 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/2/28VDC | 24HH | Y21 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/2/115VAC | 22HH | Y20 |
C. Get Access
(1) Remove the access panel/s (Ref. AMM TASK 53-35-13-000-002).
(a) FOR [10HM9] (SENSOR-COMPRESSOR PNEUMATIC OVHT)
(b) FOR [11HM9] (SENSOR-COMPRESSOR PNEUMATIC OVHT)
4. Procedure(1) Remove the access panel/s (Ref. AMM TASK 53-35-13-000-002).
(a) FOR [10HM9] (SENSOR-COMPRESSOR PNEUMATIC OVHT)
(b) FOR [11HM9] (SENSOR-COMPRESSOR PNEUMATIC OVHT)
Subtask 21-61-18-020-050-A ** ON A/C NOT FOR ALL
A. Removal of the Compressor Pneumatic Overheat-Sensor
(1) Disconnect the sense line (2).
(2) Put the PLUG-BLANKING in each disconnected line end.
(3) Remove and discard the lockwire.
(4) Remove the screws (3), the washers (4) and the compressor pneumatic overheat-sensor (5).
(5) Remove the packing (6) from the compressor pneumatic overheat-sensor (5).
(6) Put the PLUG-BLANKING in each disconnected line end.
(1) Disconnect the sense line (2).
(2) Put the PLUG-BLANKING in each disconnected line end.
(3) Remove and discard the lockwire.
(4) Remove the screws (3), the washers (4) and the compressor pneumatic overheat-sensor (5).
(5) Remove the packing (6) from the compressor pneumatic overheat-sensor (5).
(6) Put the PLUG-BLANKING in each disconnected line end.