DOC AIRBUS | AMM A320FInstallation of the Air Data Module (ADM)
TASK 34-11-17-400-001-A
Installation of the Air Data Module (ADM)
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Expendable Parts
D. Referenced Information
3. Job Set-up
Subtask 34-11-17-860-050-A
Subtask 34-11-17-420-050-B ** ON A/C NOT FOR ALL
Subtask 34-11-17-410-050-A
[Rev.10 from 2021]
2026.04.02 06:23:04 UTC
Installation of the Air Data Module (ADM)
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| No specific | AR | WARNING NOTICE(S) |
| FOR [19FP4] (ADM-R STATIC PRESSURE) | ||
| FOR [19FP6] (ADM-R STATIC PRESSURE) | ||
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 110 | RADOME (NOSE CONE TO FR 1) |
| 120 | AVIONICS COMPARTMENT |
| 824 | |
| FOR [19FP1] (ADM-L TOTAL PRESSURE) | |
| FOR [19FP3] (ADM-STBY TOTAL PRESSURE) | |
| 812 | |
| FOR [19FP2] (ADM-R TOTAL PRESSURE) | |
| 822 | |
| FOR [19FP4] (ADM-R STATIC PRESSURE) | |
| FOR [19FP6] (ADM-R STATIC PRESSURE) | |
| 824 | |
| FOR [19FP4] (ADM-R STATIC PRESSURE) | |
| FOR [19FP5] (ADM-L STATIC PRESSURE) | |
| FOR [19FP6] (ADM-R STATIC PRESSURE) | |
| FOR [19FP7] (ADM-L STATIC PRESSURE) | |
| 824 | |
| FOR [19FP8] (ADM-STBY STATIC PRESSURE) | |
| 811 | |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| FOR [19FP1] (ADM-L TOTAL PRESSURE) | ||
| FOR [19FP2] (ADM-R TOTAL PRESSURE) | ||
| FOR [19FP3] (ADM-STBY TOTAL PRESSURE) | ||
| 10 | SPACER | AIPC 34-11-01-05-110 |
| 10 | SPACER | AIPC 34-11-81-05-040 |
| FOR [19FP4] (ADM-R STATIC PRESSURE) | ||
| FOR [19FP5] (ADM-L STATIC PRESSURE) | ||
| FOR [19FP6] (ADM-R STATIC PRESSURE) | ||
| FOR [19FP7] (ADM-L STATIC PRESSURE) | ||
| 10 | SPACER | AIPC 34-11-01-04-060 |
| 10 | SPACER | AIPC 34-11-81-04-040 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 34-11-17-710-001-A | Test of the Air Data Module without the CFDS |
| TASK 34-13-00-740-003-A | SYSTEM TEST of the ADR |
| TASK 52-41-00-010-002-A | Open the Avionics Compartment Doors for Access |
| TASK 52-41-00-410-002-A | Close the Avionics Compartment Doors after Access |
| FOR [19FP4] (ADM-R STATIC PRESSURE) | |
| FOR [19FP5] (ADM-L STATIC PRESSURE) | |
| FOR [19FP6] (ADM-R STATIC PRESSURE) | |
| FOR [19FP7] (ADM-L STATIC PRESSURE) | |
| TASK 52-41-00-410-002-A | Close the Avionics Compartment Doors after Access |
Air Data ModuleSubtask 34-11-17-860-050-A
A. Get Access
(1) Make sure that the applicable ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position:
(a) In zone 123 for left total pressure ADM 19FP1 and standby total pressure ADM 19FP3.
(b) In zone 122 for right total pressure ADM 19FP2.
(c) In zone 128 for right static pressure ADMs 19FP4 and 19FP6 and left static pressure ADMs 19FP5 and 19FP7.
(d) In zone 110 for standby static pressure ADM 19FP8.
(e) At access door 822.
(2) Make sure that the applicable access door is open (Ref. AMM TASK 52-41-00-010-002):
(a) FOR [19FP1] (ADM-L TOTAL PRESSURE), [19FP3] (ADM-STBY TOTAL PRESSURE)
812
(b) FOR [19FP2] (ADM-R TOTAL PRESSURE)
822
(c) FOR [19FP4] (ADM-R STATIC PRESSURE), [19FP5] (ADM-L STATIC PRESSURE), [19FP6] (ADM-R STATIC PRESSURE), [19FP7] (ADM-L STATIC PRESSURE)
824
(d) FOR [19FP8] (ADM-STBY STATIC PRESSURE)
811
(3) Make sure that door 822 is open.
(4) Make sure that the protective cover is removed from battery power center 105VU.
(5) Clean the component interfaces and the adjacent area.
(6) Do an inspection of the component interfaces and the adjacent area.
Subtask 34-11-17-865-051-A (1) Make sure that the applicable ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position:
(a) In zone 123 for left total pressure ADM 19FP1 and standby total pressure ADM 19FP3.
(b) In zone 122 for right total pressure ADM 19FP2.
(c) In zone 128 for right static pressure ADMs 19FP4 and 19FP6 and left static pressure ADMs 19FP5 and 19FP7.
(d) In zone 110 for standby static pressure ADM 19FP8.
(e) At access door 822.
(2) Make sure that the applicable access door is open (Ref. AMM TASK 52-41-00-010-002):
(a) FOR [19FP1] (ADM-L TOTAL PRESSURE), [19FP3] (ADM-STBY TOTAL PRESSURE)
812
(b) FOR [19FP2] (ADM-R TOTAL PRESSURE)
822
(c) FOR [19FP4] (ADM-R STATIC PRESSURE), [19FP5] (ADM-L STATIC PRESSURE), [19FP6] (ADM-R STATIC PRESSURE), [19FP7] (ADM-L STATIC PRESSURE)
824
(d) FOR [19FP8] (ADM-STBY STATIC PRESSURE)
811
(3) Make sure that door 822 is open.
(4) Make sure that the protective cover is removed from battery power center 105VU.
(5) Clean the component interfaces and the adjacent area.
(6) Do an inspection of the component interfaces and the adjacent area.
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| FOR FIN: 19FP5 (ADML STATIC PRESSURE) FOR FIN: 19FP4 (ADMR STATIC PRESSURE) FOR FIN: 19FP1 (ADML TOTAL PRESSURE) | |||
| 49VU | NAV PROBES/ADIRU1/115VAC | 4FP1 | F06 |
| 105VU | ADIRS/ADIRU1/28VDC | 6FP1 | C02 |
| FOR FIN: 19FP7 (ADML STATIC PRESSURE) FOR FIN: 19FP6 (ADMR STATIC PRESSURE) FOR FIN: 19FP2 (ADMR TOTAL PRESSURE) | |||
| 121VU | ADIRS/ADIRU/2/115VAC | 4FP2 | N06 |
| 121VU | ADIRS/ADIRU/2/28VDC | 6FP2 | N04 |
| FOR FIN: 19FP8 (ADMSTBY STATIC PRESSURE) FOR FIN: 19FP3 (ADMSTBY TOTAL PRESSURE) | |||
| 121VU | ADIRS/ADIRU/3/115VAC | 4FP3 | N05 |
| 121VU | ADIRS/ADIRU/3/28VDC | 6FP3 | N03 |
Subtask 34-11-17-420-050-B ** ON A/C NOT FOR ALL
A. Installation of the Air Data Module (ADM)
(3) Attach the ADM (3) with the four screws (5) and the four washers (4).
(4) Remove the CAP - BLANKING from the disconnected electrical connectors (9) and (6).
(5) Make sure that all the electrical connections are clean and in the correct condition.
(6) Connect the electrical connector (9).
(7) Remove the PLUG - BLANKING from the disconnected quick-disconnect couplings (8) and (7).
(8) Make sure that the quick-disconnect couplings (8) and (7) are in the correct condition.
(9) Connect the quick-disconnect coupling (8).
(10) Make sure that you can see the blue ring on the quick-disconnect coupling (8).
(11) Pull the quick-disconnect coupling (8) to make sure that it is correctly attached.
(12) Make sure that the quick-disconnect coupling (8) is correctly engaged (the pin on the quick-disconnect male part is fully engaged into the groove in the quick-disconnect female part).
(13) Refer to the table that follows to know if you must do two checks of the quick-disconnect coupling (8) and/or the leak test:
(a) If you must do two check of the quick-disconnect coupling (8):
Subtask 34-11-17-420-050-D ** ON A/C NOT FOR ALL NOTE: ADM 19FP8 has no foam insulation.
(1) For the installation of ADM 19FP4 or 19FP6:- Make sure that the WARNING NOTICE(S) is (are) in position to tell persons not to open access door 824.
- Make sure that access door 824 is closed.
(3) Attach the ADM (3) with the four screws (5) and the four washers (4).
(4) Remove the CAP - BLANKING from the disconnected electrical connectors (9) and (6).
(5) Make sure that all the electrical connections are clean and in the correct condition.
(6) Connect the electrical connector (9).
(7) Remove the PLUG - BLANKING from the disconnected quick-disconnect couplings (8) and (7).
(8) Make sure that the quick-disconnect couplings (8) and (7) are in the correct condition.
(9) Connect the quick-disconnect coupling (8).
(10) Make sure that you can see the blue ring on the quick-disconnect coupling (8).
(11) Pull the quick-disconnect coupling (8) to make sure that it is correctly attached.
(12) Make sure that the quick-disconnect coupling (8) is correctly engaged (the pin on the quick-disconnect male part is fully engaged into the groove in the quick-disconnect female part).
(13) Refer to the table that follows to know if you must do two checks of the quick-disconnect coupling (8) and/or the leak test:
| Condition | Two Checks of the Quick-Disconnect Couplings | Leak Test |
| One ADM system | No | No |
| Two or more ADM systems | Yes | No |
- Tell a second qualified mechanic to do a visual inspection of the quick-disconnect coupling (8) (the signature of the two mechanics is mandatory).
- Make sure that the quick-disconnect coupling (8) is correctly engaged (the pin located on the quick-disconnect male part must be fully engaged into the groove in the quick-disconnect female part).
A. Installation of the Air Data Module (ADM)
(a) Make sure that the WARNING NOTICE(S) is (are) in position to tell persons not to open access door 824.
(b) Make sure that access door 824 is closed.
(2) FOR [19FP1] (ADM-L TOTAL PRESSURE), [19FP2] (ADM-R TOTAL PRESSURE), [19FP3] (ADM-STBY TOTAL PRESSURE)
(a) If you install the same spacers, install the four spacers (10) on the foam insulation (2).
(b) If you install the new spacers, install the four new AIPC 34-11-01-05-110 SPACER (10) or AIPC 34-11-81-05-040 SPACER (10) on the foam insulation (2).
(3) FOR [19FP4] (ADM-R STATIC PRESSURE), [19FP5] (ADM-L STATIC PRESSURE), [19FP6] (ADM-R STATIC PRESSURE), [19FP7] (ADM-L STATIC PRESSURE)
(a) If you install the same spacers, install the four spacers (10) on the foam insulation (2).
(b) If you install the new spacers, install the four new AIPC 34-11-01-04-060 SPACER (10) or AIPC 34-11-81-04-040 SPACER (10) on the foam insulation (2).
(4) Put the ADM (3) and the foam insulation (2) in position on the support (1) and hold them.
(5) Install the ADM (3) on the support (1) with the four screws (5) and the four washers (4).
(6) Remove the CAP - BLANKING from the disconnected electrical connectors (9) and (6).
(7) Make sure that all the electrical connections are clean and in the correct condition.
(8) Connect the electrical connector (9).
(9) Remove the PLUG - BLANKING from the disconnected quick-disconnect couplings (8) and (7).
(10) Make sure that the quick-disconnect couplings (8) and (7) are in the correct condition.
(11) (12) Make sure that you can see the blue ring on the quick-disconnect coupling (8).
(13) Pull the quick-disconnect coupling (8) to make sure that it is correctly attached.
(14) (15) Refer to the table that follows to know if you must do the two checks of the quick-disconnect coupling (8) and/or the leak test:
(a) If you must do the two checks of the quick-disconnect coupling (8):
1 Tell a second approved mechanic to do a visual inspection of the quick-disconnect coupling (8) (the signatures of the two mechanics are mandatory).
2
Subtask 34-11-17-710-050-B NOTE: ADM 19FP8 has no foam insulation and spacer.
(1) FOR [19FP4] (ADM-R STATIC PRESSURE), [19FP6] (ADM-R STATIC PRESSURE)(a) Make sure that the WARNING NOTICE(S) is (are) in position to tell persons not to open access door 824.
(b) Make sure that access door 824 is closed.
(2) FOR [19FP1] (ADM-L TOTAL PRESSURE), [19FP2] (ADM-R TOTAL PRESSURE), [19FP3] (ADM-STBY TOTAL PRESSURE)
(a) If you install the same spacers, install the four spacers (10) on the foam insulation (2).
(b) If you install the new spacers, install the four new AIPC 34-11-01-05-110 SPACER (10) or AIPC 34-11-81-05-040 SPACER (10) on the foam insulation (2).
(3) FOR [19FP4] (ADM-R STATIC PRESSURE), [19FP5] (ADM-L STATIC PRESSURE), [19FP6] (ADM-R STATIC PRESSURE), [19FP7] (ADM-L STATIC PRESSURE)
(a) If you install the same spacers, install the four spacers (10) on the foam insulation (2).
(b) If you install the new spacers, install the four new AIPC 34-11-01-04-060 SPACER (10) or AIPC 34-11-81-04-040 SPACER (10) on the foam insulation (2).
(4) Put the ADM (3) and the foam insulation (2) in position on the support (1) and hold them.
(5) Install the ADM (3) on the support (1) with the four screws (5) and the four washers (4).
(6) Remove the CAP - BLANKING from the disconnected electrical connectors (9) and (6).
(7) Make sure that all the electrical connections are clean and in the correct condition.
(8) Connect the electrical connector (9).
(9) Remove the PLUG - BLANKING from the disconnected quick-disconnect couplings (8) and (7).
(10) Make sure that the quick-disconnect couplings (8) and (7) are in the correct condition.
(11) (12) Make sure that you can see the blue ring on the quick-disconnect coupling (8).
(13) Pull the quick-disconnect coupling (8) to make sure that it is correctly attached.
(14) (15) Refer to the table that follows to know if you must do the two checks of the quick-disconnect coupling (8) and/or the leak test:
| Condition | Two Checks of the Quick-Disconnect Couplings | Leak Test |
| One ADM system | No | No |
| Two or more ADM systems | Yes | No |
1 Tell a second approved mechanic to do a visual inspection of the quick-disconnect coupling (8) (the signatures of the two mechanics are mandatory).
2
B. Do the SYSTEM TEST of the ADR with the CFDS
(Ref. AMM TASK 34-13-00-740-003).
5. Close-up(Ref. AMM TASK 34-13-00-740-003).
NOTE: As an alternative procedure, you can do this operational test without the CFDS (Ref. AMM TASK 34-11-17-710-001).
Subtask 34-11-17-410-050-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the applicable access door (Ref. AMM TASK 52-41-00-410-002):
(a) FOR [19FP1] (ADM-L TOTAL PRESSURE), [19FP3] (ADM-STBY TOTAL PRESSURE)
812
(b) FOR [19FP2] (ADM-R TOTAL PRESSURE)
822
(c) FOR [19FP4] (ADM-R STATIC PRESSURE), [19FP5] (ADM-L STATIC PRESSURE), [19FP6] (ADM-R STATIC PRESSURE), [19FP7] (ADM-L STATIC PRESSURE)
824 (Ref. AMM TASK 52-41-00-410-002)
(d) FOR [19FP8] (ADM-STBY STATIC PRESSURE)
811
(3) Remove the WARNING NOTICE(S).
(4) Install the protective cover on battery power center 105VU.
(5) Tighten the two screws.
(6) Close access door 822.
(7) Remove the access platform(s).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the applicable access door (Ref. AMM TASK 52-41-00-410-002):
(a) FOR [19FP1] (ADM-L TOTAL PRESSURE), [19FP3] (ADM-STBY TOTAL PRESSURE)
812
(b) FOR [19FP2] (ADM-R TOTAL PRESSURE)
822
(c) FOR [19FP4] (ADM-R STATIC PRESSURE), [19FP5] (ADM-L STATIC PRESSURE), [19FP6] (ADM-R STATIC PRESSURE), [19FP7] (ADM-L STATIC PRESSURE)
824 (Ref. AMM TASK 52-41-00-410-002)
(d) FOR [19FP8] (ADM-STBY STATIC PRESSURE)
811
(3) Remove the WARNING NOTICE(S).
(4) Install the protective cover on battery power center 105VU.
(5) Tighten the two screws.
(6) Close access door 822.
(7) Remove the access platform(s).