DOC AIRBUS | AMM A320FInstallation of the Temperature Sensors
TASK 21-63-17-400-001-A
Installation of the Temperature Sensors
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information
3. Job Set-up
Subtask 21-63-17-860-050-B
Subtask 21-63-17-420-050-B
Subtask 21-63-17-410-050-B ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 04:53:04 UTC
Installation of the Temperature Sensors
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| TASK 21-63-00-710-004-A | Operational Test of the Cockpit and Cabin Temperature Control with CFDS/MCDU |
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| FOR [21HK] (SENSOR-TEMPERATURE, COCKPIT or TEMP SENSOR CKPT) | |
| 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 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| FOR [22HK] (TEMP SENSOR FWD CAB) | |
| TASK 25-23-41-400-001-A | Installation of the Ceiling Panels |
| FOR [22HK] (TEMP SENSOR FWD CAB) | |
| FOR [23HK] (TEMP SENSOR AFT CAB) | |
| 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) |
| FOR [23HK] (TEMP SENSOR AFT CAB) | |
| TASK 25-23-41-400-001-A | Installation of the Ceiling Panels |
Temperature Sensors 21HK (22HK,23HK).Subtask 21-63-17-860-050-B
A. Aircraft Maintenance Configuration
(1) For the Cockpit Temperature Sensor
(a) FOR [21HK] (SENSOR-TEMPERATURE, COCKPIT or TEMP SENSOR CKPT)
(a) FOR [22HK] (TEMP SENSOR FWD CAB), [23HK] (TEMP SENSOR AFT CAB)
Subtask 21-63-17-865-054-A (1) For the Cockpit Temperature Sensor
(a) FOR [21HK] (SENSOR-TEMPERATURE, COCKPIT or TEMP SENSOR CKPT)
WARNING:
MAKE SURE THAT NO AC OR DC POWER IS CONNECTED TO THE AIRCRAFT ELECTRICAL CIRCUITS.
THERE IS A RISK OF ELECTROCUTION IF THE AC OR DC POWER STAYS CONNECTED.
1 Make sure that: - the aircraft electrical circuits are de-energized (Ref. AMM TASK 24-41-00-862-002) and,
- the circuit breaker panel 121VU is open.
(a) FOR [22HK] (TEMP SENSOR FWD CAB), [23HK] (TEMP SENSOR AFT CAB)
- make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 23HK (TEMP SENSOR AFT CAB) FOR FIN: 22HK (TEMP SENSOR FWD CAB) | |||
| 49VU | AIR COND/TEMP CTL/SYS 1 CHAN B/28VDC | 52HH | D08 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/ZONE TEMP CTL/28VDC/SYS2 | 4HK | V20 |
| 122VU | AIR COND/ZONE TEMP CTL/28VDC/SYS1 | 3HK | V19 |
| 122VU | AIR COND/ZONE TEMP CTL/115VAC/SYS2 | 2HK | V18 |
| 122VU | AIR COND/ZONE TEMP CTL/115VAC/SYS1 | 1HK | V17 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/TEMP CTL SYS 2/CHAN A/115VAC | 53HH | W22 |
| 122VU | AIR COND/TEMP CTL SYS 2/CHAN A/28VDC | 55HH | W21 |
| 122VU | AIR COND/TEMP CTL SYS 1/CHAN A/115VAC | 49HH | X22 |
| 122VU | AIR COND/TEMP CTL SYS 1/CHAN A/28VDC | 51HH | X21 |
| 122VU | AIR COND/TEMP CTL SYS 2/CHAN B/28VDC | 56HH | Y21 |
| 122VU | AIR COND/TEMP CTL SYS 2/CHAN B/115VAC | 54HH | Y20 |
| 122VU | AIR COND/TEMP CTL SYS 1/CHAN B/115VAC | 50HH | Y18 |
Subtask 21-63-17-420-050-B
A. Installation of the Cockpit Temperature Sensor 21HK
(1) Make sure that the temperature sensor is clean and in the correct condition.
(2) Clean the component interfaces and the adjacent area.
(3) Put the temperature sensor (4) in position on the housing (7) and install the screws (3).
(4) Install the isolation material (8).
(5) Remove the blanking caps from the disconnected electrical connectors.
(6) Make sure that all the electrical connections are clean and in the correct condition.
(7) Connect the electrical connector (2).
Subtask 21-63-17-420-052-B (1) Make sure that the temperature sensor is clean and in the correct condition.
(2) Clean the component interfaces and the adjacent area.
(3) Put the temperature sensor (4) in position on the housing (7) and install the screws (3).
(4) Install the isolation material (8).
(5) Remove the blanking caps from the disconnected electrical connectors.
(6) Make sure that all the electrical connections are clean and in the correct condition.
(7) Connect the electrical connector (2).
B. Installation of the Cabin Temperature Sensors
(1) FOR [22HK] (TEMP SENSOR FWD CAB), [23HK] (TEMP SENSOR AFT CAB)
(a) Make sure that the temperature sensors are clean and in the correct condition.
(b) Make sure that the temperature sensor houses are free from contamination and in the correct condition.
(c) Clean the component interfaces and the adjacent area.
(d) Put the gasket (28) in position on the temperature sensor (27).
(e) Put the temperature sensor (27) together with the gasket (28) in position in the front panel (24).
(f) Install the screws (25), the washers (23) and the nuts (22).
(g) Put the front panel (24) in position in the housing (21) and install the quick-release fasteners (29).
(h) Remove the blanking caps from the disconnected electrical connectors.
(i) Make sure that all the electrical connections are clean and in the correct condition.
(j) Connect the electrical connector (26).
Subtask 21-63-17-410-052-A (1) FOR [22HK] (TEMP SENSOR FWD CAB), [23HK] (TEMP SENSOR AFT CAB)
(a) Make sure that the temperature sensors are clean and in the correct condition.
(b) Make sure that the temperature sensor houses are free from contamination and in the correct condition.
(c) Clean the component interfaces and the adjacent area.
(d) Put the gasket (28) in position on the temperature sensor (27).
(e) Put the temperature sensor (27) together with the gasket (28) in position in the front panel (24).
(f) Install the screws (25), the washers (23) and the nuts (22).
(g) Put the front panel (24) in position in the housing (21) and install the quick-release fasteners (29).
(h) Remove the blanking caps from the disconnected electrical connectors.
(i) Make sure that all the electrical connections are clean and in the correct condition.
(j) Connect the electrical connector (26).
C. Close Access
(1) FOR [21HK] (SENSOR-TEMPERATURE, COCKPIT or TEMP SENSOR CKPT)
Make sure that the housing (7) is in the correct position and install the grill (6) and the screws (5).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Close the circuit breaker panel (1) 121VU.
Subtask 21-63-17-861-051-A (1) FOR [21HK] (SENSOR-TEMPERATURE, COCKPIT or TEMP SENSOR CKPT)
Make sure that the housing (7) is in the correct position and install the grill (6) and the screws (5).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Close the circuit breaker panel (1) 121VU.
D. Aircraft Maintenance Configuration
(1) FOR [21HK] (SENSOR-TEMPERATURE, COCKPIT or TEMP SENSOR CKPT)
Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
Subtask 21-63-17-865-052-A (1) FOR [21HK] (SENSOR-TEMPERATURE, COCKPIT or TEMP SENSOR CKPT)
Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
E. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 21-63-17-710-050-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 23HK (TEMP SENSOR AFT CAB) FOR FIN: 22HK (TEMP SENSOR FWD CAB) | |||
| 49VU | AIR COND/TEMP CTL/SYS 1 CHAN B/28VDC | 52HH | D08 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/ZONE TEMP CTL/28VDC/SYS2 | 4HK | V20 |
| 122VU | AIR COND/ZONE TEMP CTL/28VDC/SYS1 | 3HK | V19 |
| 122VU | AIR COND/ZONE TEMP CTL/115VAC/SYS2 | 2HK | V18 |
| 122VU | AIR COND/ZONE TEMP CTL/115VAC/SYS1 | 1HK | V17 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/TEMP CTL SYS 2/CHAN A/115VAC | 53HH | W22 |
| 122VU | AIR COND/TEMP CTL SYS 2/CHAN A/28VDC | 55HH | W21 |
| 122VU | AIR COND/TEMP CTL SYS 1/CHAN A/115VAC | 49HH | X22 |
| 122VU | AIR COND/TEMP CTL SYS 1/CHAN A/28VDC | 51HH | X21 |
| 122VU | AIR COND/TEMP CTL SYS 2/CHAN B/28VDC | 56HH | Y21 |
| 122VU | AIR COND/TEMP CTL SYS 2/CHAN B/115VAC | 54HH | Y20 |
| 122VU | AIR COND/TEMP CTL SYS 1/CHAN B/115VAC | 50HH | Y18 |
F. Do the operational test of the cockpit and cabin temperature control system (Ref. AMM TASK 21-63-00-710-004).
5. Close-upSubtask 21-63-17-410-050-B ** ON A/C NOT FOR ALL
A. Close Access
(1) FOR [22HK] (TEMP SENSOR FWD CAB)
Install the cabin ceiling panel 231DC (Ref. AMM TASK 25-23-41-400-001).
(2) FOR [23HK] (TEMP SENSOR AFT CAB)
Install the cabin ceiling panel 251CC (Ref. AMM TASK 25-23-41-400-001).
Subtask 21-63-17-410-050-D ** ON A/C NOT FOR ALL (1) FOR [22HK] (TEMP SENSOR FWD CAB)
Install the cabin ceiling panel 231DC (Ref. AMM TASK 25-23-41-400-001).
(2) FOR [23HK] (TEMP SENSOR AFT CAB)
Install the cabin ceiling panel 251CC (Ref. AMM TASK 25-23-41-400-001).
A. Close Access
(1) FOR [22HK] (TEMP SENSOR FWD CAB)
Install the cabin ceiling panel 231DC (Ref. AMM TASK 25-23-41-400-001).
(2) FOR [23HK] (TEMP SENSOR AFT CAB)
Install the cabin ceiling panel 251EC (Ref. AMM TASK 25-23-41-400-001).
Subtask 21-63-17-862-050-A (1) FOR [22HK] (TEMP SENSOR FWD CAB)
Install the cabin ceiling panel 231DC (Ref. AMM TASK 25-23-41-400-001).
(2) FOR [23HK] (TEMP SENSOR AFT CAB)
Install the cabin ceiling panel 251EC (Ref. AMM TASK 25-23-41-400-001).