DOC AIRBUS | AMM A320FRemoval of the Burner Selection Valve (BSV) [CFMI]
TASK 73-11-70-000-001-A
Removal of the Burner Selection Valve (BSV)
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 73-11-70-941-050-A ** ON A/C NOT FOR ALL
Subtask 73-11-70-020-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:55:53 UTC
Removal of the Burner Selection Valve (BSV)
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 | CAP - BLANKING |
| No specific | AR | COVER - PROTECTION |
| No specific | AR | PLIERS - JAWED, SOFT |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR, 451AL, 452AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR, 461AL, 462AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-040-A | Opening of the Fan Cowl Doors |
| TASK 78-30-00-481-041-A | Make the Thrust Reverser Unserviceable for Maintenance |
| TASK 78-36-00-010-040-A | Opening of the Thrust Reverser Doors |
Burner Selection Valve (BSV) PRE SB 73-121Subtask 73-11-70-941-050-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
Subtask 73-11-70-010-050-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
B. Open the fan cowl doors : (Ref. AMM TASK 71-13-00-010-040)
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 73-11-70-040-050-A ** ON A/C NOT FOR ALL Subtask 73-11-70-010-051-A ** ON A/C NOT FOR ALL (1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
D. Open the thrust reverser doors: (Ref. AMM TASK 78-36-00-010-040)
(1) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(2) FOR [1000EM2] (ENGINE-2)
461AL 462AR
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(2) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 73-11-70-020-051-A ** ON A/C NOT FOR ALL
A. Remove Burner Staging Valve as follows:
(1) Disconnect the electrical connectors, Channel A (50) and Channel B (60), from the BSV (70). If necessary, use PLIERS - JAWED, SOFT.
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove the bolts (10, 40) and nuts (30, 80) that attach the BSV (70) to the fuel supply manifold.
Subtask 73-11-70-020-050-A ** ON A/C NOT FOR ALL (1) Disconnect the electrical connectors, Channel A (50) and Channel B (60), from the BSV (70). If necessary, use PLIERS - JAWED, SOFT.
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove the bolts (10, 40) and nuts (30, 80) that attach the BSV (70) to the fuel supply manifold.
B. Remove the BSV (70) from the fuel supply manifold.
(1) Remove the gasket (20) and keep it.
(2) Install COVER - PROTECTION on the open ports of the BSV (70) and the fuel supply manifold.
(1) Remove the gasket (20) and keep it.
(2) Install COVER - PROTECTION on the open ports of the BSV (70) and the fuel supply manifold.