Installation of the TCAS Computer
TASK 34-43-34-400-001-A
Installation of the TCAS Computer
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. Referenced Information
3. Job Set-up
Subtask 34-43-34-860-050-A ** ON A/C NOT FOR ALL
Subtask 34-43-34-420-050-A ** ON A/C NOT FOR ALL
Subtask 34-43-34-860-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:23:28 UTC
Installation of the TCAS Computer
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 1M(3 FT) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 128 | REAR AVIONIC COMPARTMENT |
| 824 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 34-43-00-740-001-A | BITE Test of the TCAS |
| TASK 34-43-00-740-001-C | BITE Test of the TCAS |
| TASK 52-41-00-410-002-A | Close the Avionics Compartment Doors after Access |
Subtask 34-43-34-860-050-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position at the access door 824 in zone 128.
(2) Make sure that the access door 824 is open.
Subtask 34-43-34-865-075-A ** ON A/C NOT FOR ALL (1) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position at the access door 824 in zone 128.
(2) Make sure that the access door 824 is open.
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 | |||
| 121VU | COM NAV/TCAS | 4SG | K10 |
Subtask 34-43-34-420-050-A ** ON A/C NOT FOR ALL
A. Installation of the TCAS Computer
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the blanking caps from the electrical connectors (2).
(4) Make sure that the electrical connectors are clean and in the correct condition.
(5) Install the TCAS computer (1) on its rack (3) to connect the electrical connectors (2).
(6) Engage the nuts (4) on the lugs (5) and tighten.
Subtask 34-43-34-865-076-A ** ON A/C NOT FOR ALL (1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the blanking caps from the electrical connectors (2).
(4) Make sure that the electrical connectors are clean and in the correct condition.
(5) Install the TCAS computer (1) on its rack (3) to connect the electrical connectors (2).
(6) Engage the nuts (4) on the lugs (5) and tighten.
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 34-43-34-740-050-A ** ON A/C NOT FOR ALL 5. Close-up| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/TCAS | 4SG | K10 |
Subtask 34-43-34-860-051-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
(1) Make sure that the work area is clean and clear of tools and other items.
Subtask 34-43-34-410-050-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
B. Close Access
(1) Close the access door 824 (Ref. AMM TASK 52-41-00-410-002).
(2) Remove the access platform(s).
(1) Close the access door 824 (Ref. AMM TASK 52-41-00-410-002).
(2) Remove the access platform(s).
TCAS Computer