W DOC AIRBUS | AMM A320F

Operational Test of the ATC

TASK 34-52-00-710-003-A
Operational Test of the ATC

WARNING: MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT. UNWANTED ELECTRICAL POWER CAN BE DANGEROUS.
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Referenced Information
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 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 34-10-00-860-002-A
ADIRS Start Procedure
TASK 34-10-00-860-005-A
ADIRS Stop Procedure
3. Job Set-up
Subtask 34-52-00-860-080-C ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
   (2) Do the ADIRS start procedure (Ref. AMM TASK 34-10-00-860-002).
   (3) On the center pedestal, on the ATC/TCAS control unit, set:
  • the ATC system 1(2) on.
  • the ALT RPTG ON/OFF switch to ON.
  • the AUTO/ON/STBY switch to AUTO.
Subtask 34-52-00-860-080-H ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
   (2) Do the ADIRS start procedure (Ref. AMM TASK 34-10-00-860-002).
   (3) On the center pedestal, on the ATC/TCAS control unit, set:
  • the ATC system 1(2) on.
  • the ALT RPT ON/OFF switch to ON.
  • the SBY/ON/TA/RA-TA switch to SBY.
Subtask 34-52-00-860-080-X ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
   (2) Do the ADIRS start procedure (Ref. AMM TASK 34-10-00-860-002).
   (3) On the center pedestal, on the ATC/TCAS control unit, set:
  • the ATC system 1(2) on.
  • the STBY/ALT RPTG OFF/XPNDR/TA ONLY/TA-RA switch to XPNDR.
Subtask 34-52-00-865-054-A
B. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUCOM NAV/ATC/15SH1G11
** ON A/C NOT FOR ALL
121VUCOM NAV/ATC/25SH2K07
** ON A/C NOT FOR ALL
121VUT/TISS2004SGK07
4. Procedure
Subtask 34-52-00-710-055-B ** ON A/C NOT FOR ALL
A. Transmission Test
ACTION
RESULT
On the ATC/TCAS control unit:

  • Set the AUTO ON/STBY switch to ON.
On the ATC/TCAS control unit:
  • The ATC FAULT or FAIL indicator light stays off.
  • Set the AUTO ON/STBY switch to STBY.
On the ATC/TCAS control unit:
  • The background lighting stays on.
Subtask 34-52-00-710-055-H ** ON A/C NOT FOR ALL
A. Transmission Test
ACTION
RESULT
On the ATC/TCAS control unit:

  • Set the SBY/ON/TA/RA-TA switch to ON.
On the ATC/TCAS control unit:
  • The ATC FAULT or FAIL indicator light stays off.
  • Set the SBY/ON/TA/RA-TA switch to SBY.
On the ATC control unit:
  • The background lighting stays on.
Subtask 34-52-00-710-055-J ** ON A/C NOT FOR ALL
A. Transmission Test
ACTION
RESULT
On the ATC/TCAS control unit:

  • Set the STBY/ALT RPTG OFF/XPNDR/TA ONLY/TA-RA switch to XPNDR.
On the ATC/TCAS control unit:
  • The ATC FAULT or FAIL indicator light stays off.
  • Set the STBY/ALT RPTG OFF/XPNDR/TA ONLY/TA-RA switch to STBY.
On the ATC/TCAS control unit:
  • The background lighting stays on.
5. Close-up
Subtask 34-52-00-860-062-A
A. Put the aircraft back to its initial configuration.
   (1) Do the ADIRS Stop Procedure (Ref. AMM TASK 34-10-00-860-005).
   (2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
   (3) Make sure that the work area is clean and clear of tools and other items.
[Rev.10 from 2021] 2026.04.01 12:36:08 UTC
"Aviabrain" 2025