W DOC AIRBUS | AMM A320F

Operational Test of the Throttle Control Unit [PW11]

TASK 76-11-00-710-804-A
Operational Test of the Throttle Control Unit

ZONE: 400
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
SAFETY CLIP - CIRCUIT BREAKER
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
400
POWER PLANT, NACELLES AND PYLONS
 C. 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 31-60-00-860-001-A
EIS Start Procedure
TASK 31-60-00-860-002-A
EIS Stop Procedure
F N1 Indication
3. Job Set-up
Subtask 76-11-00-861-054-A ** ON A/C NOT FOR ALL
A. Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
Subtask 76-11-00-869-079-A ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) Do the EIS start procedure (upper ECAM DU only) (Ref. AMM TASK 31-60-00-860-001).
   (2) On the ENG section of the maintenance panel 50VU:
  • Make sure that the FADEC GND PWR 1 and 2 pushbutton switches are released (the ON legends are on).
Subtask 76-11-00-865-080-A ** ON A/C NOT FOR ALL
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUANTI ICE/PROBES/AOA/14DA1D04
49VUANTI ICE/PROBES/PITOT/13DA1D02
49VUANTI ICE/RAIN/RPLNT/CAPT1DB1D01
122VUANTI ICE/WINDOWS/R4DG2W14
122VUANTI ICE/RAIN/RPLNT/F/O1DB2W11
122VUANTI ICE/WINDOWS/L4DG1X14
122VUANTI ICE/PROBES/2/TAT1DA2Y15
122VUANTI ICE/PROBES/2/PITOT3DA2Y14
122VUANTI ICE/PROBES/2/AOA4DA2Y13
122VUANTI ICE/PROBES/2/STATIC5DA2Y11
122VUANTI ICE/PROBES/3/PITOT3DA3Z16
122VUANTI ICE/PROBES/3/AOA4DA3Z15
122VUANTI ICE/PROBES/3/STATIC5DA3Z14
122VUANTI ICE/PROBES/1/STATIC5DA1Z13
122VUANTI ICE/PROBES/1/TAT1DA1Z12
FOR FIN: 1KS1 (EIU1)
49VUENGINE/1 AND 2/IGN/SYS A1JHA03
121VUENGINE/IGN/ENG1/SYS B3JH1P41
FOR FIN: 1KS2 (EIU2)
49VUENGINE/1 AND 2/IGN/SYS A1JHA03
121VUENGINE/IGN/ENG2/SYS B3JH2P42
Subtask 76-11-00-865-081-A ** ON A/C NOT FOR ALL
WARNING: MAKE SURE THAT YOU OPEN THE CIRCUIT BREAKERS AS FOLLOWS:
  • 1JH AND 3JH1 BEFORE 2KS1
  • 1JH AND 3JH2 BEFORE 2KS2.
IF YOU DO NOT OBEY THIS SEQUENCE, THERE IS A RISK OF ELECTROCUTION. THIS IS BECAUSE YOU WILL START CONTINUOUS IGNITION IF YOU OPEN CIRCUIT BREAKER 2KS1 OR 2KS2 FIRST.
WARNING: MAKE SURE THAT THE PROBE HEATER AND WINDOW HEATER CIRCUIT-BREAKERS ARE OPEN BEFORE YOU OPEN THE PHC AND WHC CIRCUIT BREAKERS. IF YOU DO NOT OBEY THIS SEQUENCE:
  • THE PROBES WILL BECOME TOO HOT.
  • THIS CAN CAUSE INJURY TO MAINTENANCE PERSONNEL AND/OR DAMAGE TO EQUIPMENT.
D. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUANTI ICE/PROBES/PHC/12DA1D03
122VUANTI ICE/PROBES/PHC/32DA3Y16
122VUANTI ICE/PROBES/PHC/22DA2Y12
4. Procedure
Subtask 76-11-00-710-059-A ** ON A/C NOT FOR ALL
WARNING: DO NOT WORK ON THE IGNITION SYSTEM WITH THE CB 2KS1 (2KS2) OPENED WHEN:
  • THE MASTER CONTROL SWITCH IS IN THE OFF POSITION AND
  • THE ENG/MODE SELECTOR SWITCH IS IN THE NORM POSITION.
IN THIS CONFIGURATION, THE IGNITION SYSTEM IS ENERGIZED WITH HIGH VOLTAGE CURRENT THAT CAN BE DANGEROUS.
A. Test(s)
ACTION
RESULT
1.Move the ENG1 (ENG2) throttle control levers.
Make sure that the small circle (1) (THR REFERENCE) on the N1 indication, the thrust limit mode indication (2) and the N1 value limit (3) follow the throttle position on the upper ECAM DU.
2.Open the circuit breaker 2KS1 (2KS2).
This message comes into view on the upper ECAM DU:
For engine 1:
  • ENG 1 FADEC SYS FAULT
  • ENG 1 MINOR FAULT
  • ENG 1 OIL CHIP DETECTED
For engine 2:
  • ENG 2 FADEC SYS FAULT
  • ENG 2 MINOR FAULT
  • ENG 2 OIL CHIP DETECTED
3.Move the ENG1 (ENG2) throttle control levers
Make sure that the small circle (1) (THR REFERENCE) on the N1 indication, follows the throttle position on the upper ECAM DU.
4.Close the circuit breaker 2KS1 (2KS2).
This message goes out of view:
For engine 1:
  • ENG 1 FADEC SYS FAULT
  • ENG 1 MINOR FAULT
  • ENG 1 OIL CHIP DETECTED
For engine 2:
  • ENG 2 FADEC SYS FAULT
  • ENG 2 MINOR FAULT
  • ENG 2 OIL CHIP DETECTED
5.Open the circuit breaker 4KS1 (4KS2).
This message comes into view on the upper ECAM DU:
For engine 1:
  • ENG 1 FADEC SYS FAULT
  • ENG 1 MINOR FAULT
  • ENG 1 OIL CHIP DETECTED
  • ENG 1 TURB COOL FAULT
For engine 2:
  • ENG 2 FADEC SYS FAULT
  • ENG 2 MINOR FAULT
  • ENG 2 OIL CHIP DETECTED
  • ENG 2 TURB COOL FAULT
6.Move the ENG1 (ENG2) throttle control levers.
Make sure that the small circle (1) (THR REFERENCE) on the N1 indication, follows the throttle position on the upper ECAM DU.
7.Close the circuit breaker 4KS1 (4KS2).
This message goes out of view:
For engine 1:
  • ENG 1 FADEC SYS FAULT
  • ENG 1 MINOR FAULT
  • ENG 1 OIL CHIP DETECTED
  • ENG 1 TURB COOL FAULT.
For engine 2:
  • ENG 2 FADEC SYS FAULT
  • ENG 2 MINOR FAULT
  • ENG 2 OIL CHIP DETECTED
  • ENG 2 TURB COOL FAULT
8.Open the circuit breaker 2KS1 (2KS2) and 4KS1 (4KS2).
On the upper ECAM DU for the Engine 1(2):
  • The small circle (1) goes out of view.
  • The N1 analogic indication goes out of view.
  • The digital indication is replaced by amber crosses.

On the upper ECAM DU for the Engine 1(2), these messages comes into view: For engine 1:
  • ENG 1 FADEC FAULT
For engine 2:
  • ENG 2 FADEC FAULT.
9.Close the circuit breaker 2KS1 (2KS2) and 4KS1 (4KS2).
On the upper ECAM DU for the Engine 1(2):
  • The engine main parameters become in normal configuration.

These messages go out of view:
For engine 1:
  • ENG 1 FADEC FAULT
For engine 2:
  • ENG 2 FADEC FAULT
NOTE: If the circuit breaker 2KS1 (2KS2) and/or 4KS1 (4KS2) stays open after 1 minute, this message comes into view on the upper ECAM DU: C/B TRIPPED REAR PNL N-R

5. Close-up
Subtask 76-11-00-869-080-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
   (1) On the ENG section of the maintenance panel 50VU:
  • Push the FADEC GND PWR 1 and 2 pushbutton switches (the ON legends go off).
   (2) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
   (3) Make sure that the work area is clean and clear of tools and other items.
Subtask 76-11-00-862-054-A ** ON A/C NOT FOR ALL
B. De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.04.01 13:09:31 UTC
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