DOC AIRBUS | AMM A320FInstallation of the Aft Cargo-Compartment Temperature-Sensors
TASK 21-43-15-400-001-A
Installation of the Aft Cargo-Compartment Temperature-Sensors
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 21-43-15-860-050-C ** ON A/C NOT FOR ALL
Subtask 21-43-15-420-050-A ** ON A/C NOT FOR ALL
Subtask 21-43-15-865-058-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:48:20 UTC
Installation of the Aft Cargo-Compartment Temperature-Sensors
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
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.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) |
| FOR [13HC] (AFT CARGO DUCT SENSOR) | ||
| No specific | Torque wrench: range to between 0.525 and 0.5 m.daN (46.46 and 44.25 lbf.in )  | |
| FOR [14HC] (AFT CARGO COMP SENSOR) | ||
| No specific | Torque wrench: range to between 0.525 and 0.5 m.daN (46.46 and 44.25 lbf.in ) | |
| REFERENCE | DESIGNATION |
|---|---|
| FOR [13HC] (AFT CARGO DUCT SENSOR) | |
| (Material No.03HCA4) | Synthetic Ester base Grease-O-ring - - |
| (Material No.14QFB1) | Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - |
| FOR [14HC] (AFT CARGO COMP SENSOR) | |
| (Material No.03HCA4) | Synthetic Ester base Grease-O-ring - - |
| (Material No.14QFB1) | Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [13HC] (AFT CARGO DUCT SENSOR) | |
| 151EW | |
| 151UW | |
| FOR [14HC] (AFT CARGO COMP SENSOR) | |
| 161DW | |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| FOR [13HC] (AFT CARGO DUCT SENSOR) | ||
| 3 | O-RING | AIPC 21-43-04-25-020 |
| FOR [14HC] (AFT CARGO COMP SENSOR) | ||
| 7 | O-RING | AIPC 21-43-04-25-020 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 21-61-00-710-001-A | Operational Test of the Pack Temperature-Control System |
| 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) |
| TASK 52-30-00-860-001-A | Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| TASK 52-30-00-860-002-A | Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| FOR [13HC] (AFT CARGO DUCT SENSOR) | |
| TASK 25-55-11-000-003-A | Removal of the Sidewall Panels in the Aft Cargo Compartment - FR47/FR59 |
| TASK 25-55-11-400-003-A | Installation of the Sidewall Panels in the Aft Cargo Compartment - FR47/FR59 |
| FOR [14HC] (AFT CARGO COMP SENSOR) | |
| TASK 25-55-11-000-003-A | Removal of the Sidewall Panels in the Aft Cargo Compartment - FR47/FR59 |
| TASK 25-55-11-400-003-A | Installation of the Sidewall Panels in the Aft Cargo Compartment - FR47/FR59 |
Temperature Sensors - Aft Cargo CompartmentSubtask 21-43-15-860-050-C ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Make sure that:
(a) The AFT cargo-compartment door 826 is open (Ref. AMM TASK 52-30-00-860-001).
(b) The ACCESS PLATFORM 2M (6 FT) is in position at the AFT cargo-compartment door 826.
(c) The access panels are removed:
1 FOR [13HC] (AFT CARGO DUCT SENSOR)
(e) On the panel 30VU:
1 The APU BLEED pushbutton switch is in the off position (the ON legend is off).
2 The ENG 1 BLEED and the ENG 2 BLEED pushbutton switches are in the off position (the OFF legends are on).
3 The warning notice to tell persons not to operate these pushbutton switches is in position.
(f) On the HP and the LP ground connectors the warning notice to tell persons not to supply ground air is in position.
Subtask 21-43-15-860-050-D ** ON A/C NOT FOR ALL (1) Make sure that:
(a) The AFT cargo-compartment door 826 is open (Ref. AMM TASK 52-30-00-860-001).
(b) The ACCESS PLATFORM 2M (6 FT) is in position at the AFT cargo-compartment door 826.
(c) The access panels are removed:
1 FOR [13HC] (AFT CARGO DUCT SENSOR)
- 151EW (Ref. AMM TASK 25-55-11-000-003).
- 161DW (Ref. AMM TASK 25-55-11-000-003).
(e) On the panel 30VU:
1 The APU BLEED pushbutton switch is in the off position (the ON legend is off).
2 The ENG 1 BLEED and the ENG 2 BLEED pushbutton switches are in the off position (the OFF legends are on).
3 The warning notice to tell persons not to operate these pushbutton switches is in position.
(f) On the HP and the LP ground connectors the warning notice to tell persons not to supply ground air is in position.
A. Aircraft Maintenance Configuration
(1) Make sure that:
(a) The AFT cargo-compartment door 826 is open (Ref. AMM TASK 52-30-00-860-001).
(b) The ACCESS PLATFORM 2M (6 FT) is in position at the AFT cargo-compartment door 826.
(c) The access panels are removed:
1 FOR [13HC] (AFT CARGO DUCT SENSOR)
(e) On the panel 30VU:
1 The APU BLEED pushbutton switch is in the off position (the ON legend is off).
2 The ENG 1 BLEED and the ENG 2 BLEED pushbutton switches are in the off position (the OFF legends are on).
3 The warning notice to tell persons not to operate these pushbutton switches is in position.
(f) On the HP and the LP ground connectors the warning notice to tell persons not to supply ground air is in position.
Subtask 21-43-15-865-051-A ** ON A/C NOT FOR ALL (1) Make sure that:
(a) The AFT cargo-compartment door 826 is open (Ref. AMM TASK 52-30-00-860-001).
(b) The ACCESS PLATFORM 2M (6 FT) is in position at the AFT cargo-compartment door 826.
(c) The access panels are removed:
1 FOR [13HC] (AFT CARGO DUCT SENSOR)
- 151UW (Ref. AMM TASK 25-55-11-000-003).
- 161DW (Ref. AMM TASK 25-55-11-000-003).
(e) On the panel 30VU:
1 The APU BLEED pushbutton switch is in the off position (the ON legend is off).
2 The ENG 1 BLEED and the ENG 2 BLEED pushbutton switches are in the off position (the OFF legends are on).
3 The warning notice to tell persons not to operate these pushbutton switches is in position.
(f) On the HP and the LP ground connectors the warning notice to tell persons not to supply ground air is in position.
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
Subtask 21-43-15-865-060-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/AFT CARGO/VENT/CTL & MONG | 31HN | C07 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/AFT CARGO/VENT & HTG/CTL & MONG | 31HN | C07 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/AFT CARGO VENT/FAN | 30HN | S22 |
C. 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 | |||
| 49VU | AIR COND/AFT CARGO/VENT/CTL & MONG | 31HN | C07 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/AFT CARGO/VENT & HTG/CTL & MONG | 31HN | C07 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/AFT CARGO VENT/FAN | 30HN | S22 |
Subtask 21-43-15-420-050-A ** ON A/C NOT FOR ALL
A. Installation of the Temperature Sensors
(1) Clean the component interfaces and the adjacent area.
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) FOR [13HC] (AFT CARGO DUCT SENSOR)
(a) Preparation for Installation
2 If necessary replace the AIPC 21-43-04-25-020 O-RING (3).
3 Apply a small quantity of Synthetic Ester base Grease-O-ring - - (Material No.03HCA4) to the O-ring (3).
4 Remove the blanking plugs from the disconnected line ends.
(b) Put the O-ring (3) in position on the temperature sensor (2) and install the temperature sensor (2) in the duct (4).
and safety with 14QFB1 Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -
(d) Remove the blanking caps from the disconnected electrical connectors and connect the electrical connector (1).
(e) Make sure that the work area is clean and clear of tools and other items.
(4) FOR [14HC] (AFT CARGO COMP SENSOR)
(a) Preparation for Installation
2 If necessary replace the AIPC 21-43-04-25-020 O-RING (7).
3 Apply a small quantity of Synthetic Ester base Grease-O-ring - - (Material No.03HCA4) to the O-ring (7).
4 Remove the blanking plugs from the disconnected line ends.
(b) Put the O-ring (7) in position on the temperature sensor (6) and install the temperature sensor (6) in the housing (8).
and safety with 14QFB1 Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -
(d) Remove the blanking caps from the disconnected electrical connectors and connect the electrical connector (5).
(e) Make sure that the work area is clean and clear of tools and other items.
Subtask 21-43-15-710-050-A ** ON A/C NOT FOR ALL 5. Close-up(1) Clean the component interfaces and the adjacent area.
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) FOR [13HC] (AFT CARGO DUCT SENSOR)
(a) Preparation for Installation
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1 Make sure that the O-ring (3) is clean and in a good condition. 2 If necessary replace the AIPC 21-43-04-25-020 O-RING (3).
3 Apply a small quantity of Synthetic Ester base Grease-O-ring - - (Material No.03HCA4) to the O-ring (3).
4 Remove the blanking plugs from the disconnected line ends.
(b) Put the O-ring (3) in position on the temperature sensor (2) and install the temperature sensor (2) in the duct (4).
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
(c) TORQUE the temperature sensor (2) to between 0.525 and 0.5 m.daN (46.46 and 44.25 lbf.in ) and safety with (d) Remove the blanking caps from the disconnected electrical connectors and connect the electrical connector (1).
(e) Make sure that the work area is clean and clear of tools and other items.
(4) FOR [14HC] (AFT CARGO COMP SENSOR)
(a) Preparation for Installation
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1 Make sure that the O-ring (7) is clean and in a good condition. 2 If necessary replace the AIPC 21-43-04-25-020 O-RING (7).
3 Apply a small quantity of Synthetic Ester base Grease-O-ring - - (Material No.03HCA4) to the O-ring (7).
4 Remove the blanking plugs from the disconnected line ends.
(b) Put the O-ring (7) in position on the temperature sensor (6) and install the temperature sensor (6) in the housing (8).
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
(c) TORQUE the temperature sensor (6) to between 0.525 and 0.5 m.daN (46.46 and 44.25 lbf.in ) and safety with (d) Remove the blanking caps from the disconnected electrical connectors and connect the electrical connector (5).
(e) Make sure that the work area is clean and clear of tools and other items.
Subtask 21-43-15-865-058-A ** ON A/C NOT FOR ALL
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 21-43-15-865-061-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/AFT CARGO/VENT/CTL & MONG | 31HN | C07 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/AFT CARGO/VENT & HTG/CTL & MONG | 31HN | C07 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/AFT CARGO VENT/FAN | 30HN | S22 |
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 21-43-15-410-052-C ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/AFT CARGO/VENT/CTL & MONG | 31HN | C07 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/AFT CARGO/VENT & HTG/CTL & MONG | 31HN | C07 |
C. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panel:
(a) FOR [13HC] (AFT CARGO DUCT SENSOR)
(3) FOR [14HC] (AFT CARGO COMP SENSOR)
(4) Remove the access platform(s).
(5) Close the AFT cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-002).
(6) Remove the WARNING NOTICE(S).
Subtask 21-43-15-410-052-D ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panel:
(a) FOR [13HC] (AFT CARGO DUCT SENSOR)
(3) FOR [14HC] (AFT CARGO COMP SENSOR)
(4) Remove the access platform(s).
(5) Close the AFT cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-002).
(6) Remove the WARNING NOTICE(S).
C. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panel:
(a) FOR [13HC] (AFT CARGO DUCT SENSOR)
(3) FOR [14HC] (AFT CARGO COMP SENSOR)
(4) Remove the access platform(s).
(5) Close the AFT cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-002).
(6) Remove the WARNING NOTICE(S).
Subtask 21-43-15-862-050-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panel:
(a) FOR [13HC] (AFT CARGO DUCT SENSOR)
(3) FOR [14HC] (AFT CARGO COMP SENSOR)
(4) Remove the access platform(s).
(5) Close the AFT cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-002).
(6) Remove the WARNING NOTICE(S).