W DOC AIRBUS | AMM A320F

Operational Test of the Suction and the Air Release Valves

TASK 28-21-00-710-004-A
Operational Test of the Suction and the Air Release Valves

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
  • THE FLIGHT CONTROLS
  • THE FLIGHT CONTROL SURFACES
  • THE LANDING GEAR AND THE RELATED DOORS
  • COMPONENTS THAT MOVE.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.
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 BARRIER(S)
 B. Referenced Information
REFERENCE
DESIGNATION
TASK 12-11-28-650-003-A
Pressure Refuel with Automatic Control
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 28-21-00-710-006-A
Operational Test of the Fuel Flow through the Fuel Pumps with Gravity Feed
TASK 28-25-00-650-001-A
Pressure Defuel
TASK 28-25-00-869-001-A
Fuel Transfer
TASK 31-60-00-860-001-A
EIS Start Procedure
TASK 71-00-00-710-003-A
Engine Automatic Start
TASK 71-00-00-710-003-B
Engine Automatic Start
TASK 71-00-00-710-018-A
Discontinued Start, Restart and Shutdown Procedures
TASK 71-00-00-710-028-A
Engine Shutdown
TASK 71-00-00-710-028-B
Engine Shutdown
TASK 71-00-00-710-043-A
Normal Engine Automatic-Start Procedure
3. Job Set-up
Subtask 28-21-00-941-073-A
A. Safety Precautions
   (1) Put the SAFETY BARRIER(S) in position.
Subtask 28-21-00-860-057-A ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
   (2) Do the EIS start procedure (ECAM only) (Ref. AMM TASK 31-60-00-860-001).
   (3) On the ECAM control panel (CP), push (in) the FUEL P/BSW:
  • make sure that the FUEL page shows on the ECAM lower Display Unit (DU).
   (4) Refuel (Ref. AMM TASK 12-11-28-650-003), defuel (Ref. AMM TASK 28-25-00-650-001) or transfer fuel (Ref. AMM TASK 28-25-00-869-001) as necessary to get a fuel level of:
  • a minimum of 2000 kg (4409 lb) and maximum 3000 kg (6614 lb) of fuel in each wing tank.
   (5) Start the engines (Ref. AMM TASK 71-00-00-710-003).
Subtask 28-21-00-860-057-B ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
   (2) Do the EIS start procedure (ECAM only) (Ref. AMM TASK 31-60-00-860-001).
   (3) On the ECAM control panel (CP), push (in) the FUEL P/BSW:
  • make sure that the FUEL page shows on the ECAM lower Display Unit (DU).
   (4) Refuel (Ref. AMM TASK 12-11-28-650-003), defuel (Ref. AMM TASK 28-25-00-650-001) or transfer fuel (Ref. AMM TASK 28-25-00-869-001) as necessary to get a fuel level of:
  • a minimum of 2000 kg (4409 lb) and maximum 3000 kg (6614 lb) of fuel in each wing tank.
   (5) Start the engines (Ref. AMM TASK 71-00-00-710-043).
Subtask 28-21-00-860-057-C ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
   (2) Do the EIS start procedure (ECAM only) (Ref. AMM TASK 31-60-00-860-001).
   (3) On the ECAM control panel (CP), push (in) the FUEL P/BSW:
  • make sure that the FUEL page shows on the ECAM lower Display Unit (DU).
   (4) Refuel (Ref. AMM TASK 12-11-28-650-003), defuel (Ref. AMM TASK 28-25-00-650-001) or transfer fuel (Ref. AMM TASK 28-25-00-869-001) as necessary to get a fuel level of:
  • a minimum of 2000 kg (4409 lb) and maximum 3000 kg (6614 lb) of fuel in each wing tank.
   (5) Start the engines (Ref. AMM TASK 71-00-00-710-003).
4. Procedure
Subtask 28-21-00-710-057-A
A. Operational Test of the Suction and the Air Release Valves
   (1) Do the Operational Test of the Fuel Flow through the Fuel Pumps with Gravity Feed (Ref. AMM TASK 28-21-00-710-006).
5. Close-up
Subtask 28-21-00-860-058-A ** ON A/C NOT FOR ALL
A. Aircraft Configuration
   (1) Shutdown the engines (Ref. AMM TASK 71-00-00-710-028).
   (2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
Subtask 28-21-00-860-058-B ** ON A/C NOT FOR ALL
A. Aircraft Configuration
   (1) Shutdown the engines (Ref. AMM TASK 71-00-00-710-018).
   (2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
Subtask 28-21-00-860-058-C ** ON A/C NOT FOR ALL
A. Aircraft Configuration
   (1) Shutdown the engines (Ref. AMM TASK 71-00-00-710-028).
   (2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
Subtask 28-21-00-942-078-A
B. Removal of Equipment
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Remove the safety barriers.
   (3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.02 06:17:23 UTC
"WTRUIB" 2025