DOC AIRBUS | AMM A320FAPU LP Valve Indication - Valve Closure Procedure
TASK 28-40-00-040-001-A
APU LP Valve Indication - Valve Closure Procedure
MMEL 28-07-04-02A
APU LP FUEL VALVE INDICATION ON THE FUEL SD PAGE
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 28-40-00-941-056-A
Subtask 28-40-00-040-050-B ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:18:03 UTC
APU LP Valve Indication - Valve Closure Procedure
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.
Task Summary
1. Reason for the Job| Access | Test | Specific Tools | Mhr | E/T | Nb Men |
|---|---|---|---|---|---|
| NO | YES | YES | 1.0 | 1.0 | 1 |
MMEL 28-07-04-02A
APU LP FUEL VALVE INDICATION ON THE FUEL SD PAGE
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | WARNING NOTICE(S) |
| 460005835 | 1 | SLEEVE - GROUND LOCK |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 28-00-00-910-001-A | Fuel Safety Procedures |
| TASK 28-29-00-040-002-A | APU LP VALVE - Deactivation |
| TASK 32-12-00-010-001-A | Open the Main Gear Doors for Access |
Subtask 28-40-00-941-056-A
A. Safety Precautions
(2) Put the SAFETY BARRIER(S) in position.
Subtask 28-40-00-010-054-A WARNING:
OBEY THE FUEL SAFETY PROCEDURES.
(1) You must obey the fuel safety procedures when you work on the fuel system (Ref. AMM TASK 28-00-00-910-001). (2) Put the SAFETY BARRIER(S) in position.
B. Get Access
(1) Open the MLG doors (Ref. AMM TASK 32-12-00-010-001).
(2) Make sure that the 460005835 SLEEVE - GROUND LOCK is installed on the applicable MLG door actuating-cylinder.
4. Procedure(1) Open the MLG doors (Ref. AMM TASK 32-12-00-010-001).
(2) Make sure that the 460005835 SLEEVE - GROUND LOCK is installed on the applicable MLG door actuating-cylinder.
Subtask 28-40-00-040-050-B ** ON A/C NOT FOR ALL
A. Deactivation of the APU LP Valve
(1) Do the deactivation procedure of the APU LP valve (Ref. AMM TASK 28-29-00-040-002).
(2) Put a WARNING NOTICE(S) in position in the cockpit to tell the flight crew that the ECAM APU LP valve indication is unserviceable.
(3) Make an entry in the aircraft-logbook that the APU fuel LP-valve (14QM) is locked in closed position and the APU must not operate.
Subtask 28-40-00-040-050-C ** ON A/C NOT FOR ALL (1) Do the deactivation procedure of the APU LP valve (Ref. AMM TASK 28-29-00-040-002).
(2) Put a WARNING NOTICE(S) in position in the cockpit to tell the flight crew that the ECAM APU LP valve indication is unserviceable.
(3) Make an entry in the aircraft-logbook that the APU fuel LP-valve (14QM) is locked in closed position and the APU must not operate.
A. Deactivation of the APU LP Valve
(1) Do the deactivation procedure of the APU LP valve (Ref. AMM TASK 28-29-00-040-002).
(2) Put a WARNING NOTICE(S) in position in the cockpit to tell the flight crew that the ECAM APU LP valve indication is unserviceable.
(3) Make an entry in the aircraft-logbook that the APU fuel LP-valve (14QM) is locked in closed position and the APU must not operate.
(1) Do the deactivation procedure of the APU LP valve (Ref. AMM TASK 28-29-00-040-002).
(2) Put a WARNING NOTICE(S) in position in the cockpit to tell the flight crew that the ECAM APU LP valve indication is unserviceable.
(3) Make an entry in the aircraft-logbook that the APU fuel LP-valve (14QM) is locked in closed position and the APU must not operate.