Operational Test of Fire Control Pushbutton Switch Sub-functions Related to Engine Shut-Down and Isolation (With External Air-supply Unit)
TASK 26-21-00-710-004-A
Operational Test of Fire Control Pushbutton Switch Sub-functions Related to Engine Shut-Down and Isolation (With External Air-supply Unit)
Refer to the MPD TASK: 262100-05
OPERATIONAL CHECK OF FIRE CONTROL PUSH BUTTON SWITCH SUB FUNCTIONS RELATED TO ENGINE SHUTDOWN AND ISOLATION
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 26-21-00-941-065-A
Subtask 26-21-00-710-062-A ** ON A/C NOT FOR ALL
Subtask 26-21-00-869-085-A
[Rev.10 from 2021]
2026.03.31 23:44:31 UTC
Operational Test of Fire Control Pushbutton Switch Sub-functions Related to Engine Shut-Down and Isolation (With External Air-supply Unit)
CAUTION:
TO RESET THE ENG 1(2) APU FIRE PUSHBUTTON SWITCH:
- PUSH THE PUSHBUTTON SWITCH FULLY IN (LATCHED POSITION).
ZONE: 210
FIN: 10HA1 ** ON A/C NOT FOR ALL
FIN: 10HA2 ** ON A/C NOT FOR ALL
FIN: 6WE1
FIN: 6WE2
FIN: 8WE1
FIN: 8WE2
1. Reason for the JobFIN: 10HA1 ** ON A/C NOT FOR ALL
FIN: 10HA2 ** ON A/C NOT FOR ALL
FIN: 6WE1
FIN: 6WE2
FIN: 8WE1
FIN: 8WE2
Refer to the MPD TASK: 262100-05
OPERATIONAL CHECK OF FIRE CONTROL PUSH BUTTON SWITCH SUB FUNCTIONS RELATED TO ENGINE SHUTDOWN AND ISOLATION
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE |
| No specific | 1 | GROUND AIR-SUPPLY UNIT(HIGH PRESSURE) |
| No specific | AR | VOLTMETER - DC |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 210 | CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD |
| FOR [10HA1] (SOLENOID-BLEED PRESS REG V CTL, ENG 1) | |
| 413DT | |
| 413CL, 413DL, 414CR | |
| FOR [10HA2] (SOLENOID-BLEED PRESS REG V CTL, ENG 2) | |
| 423CL, 423DL, 424CR | |
| 423DT | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-33-21-618-001-A-01 | Pre-conditioning through the HP Ground Connection |
| 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 26-12-00-710-001-A | Operational Check of Loop/Squib |
| TASK 29-10-00-710-001-A | Operational Check of Hydraulic Fire Shut Off Valves and Associated Indicating System |
| TASK 31-36-00-740-008-A | Access to the Parameter Call-Up Menus |
| TASK 31-60-00-860-001-A | EIS Start Procedure |
| TASK 31-60-00-860-002-A | EIS Stop Procedure |
| TASK 54-52-11-000-002-A | Removal of the Access Panels |
| TASK 54-52-11-000-002-B | Removal of the Access Panels |
| TASK 54-52-11-400-002-A | Installation of the Access Panels |
| TASK 54-52-11-400-002-B | Installation of the Access Panels |
Subtask 26-21-00-941-065-A
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Make sure that the ENG/MODE/CRANK/NORM/IGN/START selector switch is in the NORM position.
(b) 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 26-21-00-010-088-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Make sure that the ENG/MODE/CRANK/NORM/IGN/START selector switch is in the NORM position.
(b) 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. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the engine.
(2) Remove the access panels (Ref. AMM TASK 54-52-11-000-002):
(a) FOR [10HA1] (SOLENOID-BLEED PRESS REG V CTL, ENG 1)
(b) FOR [10HA2] (SOLENOID-BLEED PRESS REG V CTL, ENG 2)
Subtask 26-21-00-010-088-B ** ON A/C NOT FOR ALL (1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the engine.
(2) Remove the access panels (Ref. AMM TASK 54-52-11-000-002):
(a) FOR [10HA1] (SOLENOID-BLEED PRESS REG V CTL, ENG 1)
(b) FOR [10HA2] (SOLENOID-BLEED PRESS REG V CTL, ENG 2)
B. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the engine.
(2) Remove the access panels (Ref. AMM TASK 54-52-11-000-002):
(a) FOR [10HA1] (SOLENOID-BLEED PRESS REG V CTL, ENG 1)
(b) FOR [10HA2] (SOLENOID-BLEED PRESS REG V CTL, ENG 2)
Subtask 26-21-00-480-055-A ** ON A/C NOT FOR ALL (1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the engine.
(2) Remove the access panels (Ref. AMM TASK 54-52-11-000-002):
(a) FOR [10HA1] (SOLENOID-BLEED PRESS REG V CTL, ENG 1)
(b) FOR [10HA2] (SOLENOID-BLEED PRESS REG V CTL, ENG 2)
C. Installation of the Instrumentation
(1) Disconnect the connector 10HA1(2)-A from the ENG 1(2) BLEED PRESS REG V CTRL solenoid.
(2) Connect a VOLTMETER - DC to the terminals 1 and 2 on the connector 10HA1(2)-A.
Subtask 26-21-00-861-062-A Subtask 26-21-00-869-078-A (1) Disconnect the connector 10HA1(2)-A from the ENG 1(2) BLEED PRESS REG V CTRL solenoid.
(2) Connect a VOLTMETER - DC to the terminals 1 and 2 on the connector 10HA1(2)-A.
E. Aircraft Maintenance Configuration
(1) On ENG panel 115VU, make sure that ENG/MASTER 1(2) toggle switch 3KC(2KC) is set to ON.
(2) On AIR COND panel 30VU:
(a) The ENG 1 and ENG 2 BLEED pushbutton switches 4HA1, 4HA2 must be pushed, the OFF legend is off.
(b) The LH(RH) PACK 1(2)/FAULT/OFF pushbutton switch 7HB(6HB) must be pushed, the OFF legend is off and the FAULT legend is on.
(3) Supply air to the aircraft with theGROUND AIR-SUPPLY UNIT(HIGH PRESSURE) (Ref. AMM TASK 12-33-21-618-001) .
(4) On AIR COND panel 30VU:
Subtask 26-21-00-860-062-A (1) On ENG panel 115VU, make sure that ENG/MASTER 1(2) toggle switch 3KC(2KC) is set to ON.
(2) On AIR COND panel 30VU:
(a) The ENG 1 and ENG 2 BLEED pushbutton switches 4HA1, 4HA2 must be pushed, the OFF legend is off.
(b) The LH(RH) PACK 1(2)/FAULT/OFF pushbutton switch 7HB(6HB) must be pushed, the OFF legend is off and the FAULT legend is on.
(3) Supply air to the aircraft with theGROUND AIR-SUPPLY UNIT(HIGH PRESSURE) (Ref. AMM TASK 12-33-21-618-001) .
(4) On AIR COND panel 30VU:
- Put the AIR COND/X BLEED selector switch (3HV) in the OPEN position,
- The FAULT legend of the PACK 1(2) pushbutton switch goes off, when air is supplied to the aircraft.
F. Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
Subtask 26-21-00-869-079-A (Ref. AMM TASK 31-60-00-860-001).
G. On the ENG/APU FIRE panel 1WD (20VU), open the safety guard of the ENG 1(2) FIRE pushbutton switch.
Subtask 26-21-00-865-081-A H. Make sure that this(these) circuit breaker(s) is(are) closed:
Subtask 26-21-00-865-082-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 1000EM1 (ENGINE1) | |||
| 49VU | AIR BLEED/ENG 1/CTL | 3HA1 | D12 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR BLEED/ENG 1/MONG | 3HA1 | Z23 |
| FOR FIN: 1000EM2 (ENGINE2) | |||
| 49VU | AIR BLEED/ENG 2/MONG | 3HA2 | D12 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR BLEED/ENG 2/CTL | 3HA2 | Z23 |
I. Table of the circuit breakers used in this procedure:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 1000EM1 (ENGINE1) | |||
| 49VU | AIR BLEED/ENG 1/MONG | 2HA1 | D11 |
| ** ON A/C ALL | |||
| 49VU | FUEL/LP VALVE/MOT1/ENG1 | 1QG | A08 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR BLEED/ENG 1/CTL | 2HA1 | D11 |
| ** ON A/C ALL | |||
| 121VU | FUEL/LP VALVE/MOT2/ENG1 | 3QG | M25 |
| 122VU | ELEC/GCU/1 | 2XU1 | T26 |
| FOR FIN: 1000EM2 (ENGINE2) | |||
| 49VU | FUEL/LP VALVE/MOT1/ENG2 | 2QG | A09 |
| 121VU | FUEL/LP VALVE/MOT2/ENG2 | 4QG | M26 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR BLEED/ENG 2/MONG | 2HA2 | Z22 |
| ** ON A/C ALL | |||
| 122VU | ELEC/GCU/2 | 2XU2 | T27 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR BLEED/ENG 2/CTL | 2HA2 | Z22 |
Subtask 26-21-00-710-062-A ** ON A/C NOT FOR ALL
A. Operational Test of the ENG 1(2) FIRE Pushbutton Switch
Subtask 26-21-00-710-062-B ** ON A/C NOT FOR ALL | ACTION | RESULT |
|---|---|
1.In the cockpit, on the ELEC section of overhead panel 35VU:
| In the cockpit, on the ELEC section of overhead panel 35VU:
|
2.On the control panel of the ECAM system (on center pedestal panel 11VU):
| On the lower ECAM display unit:
|
3.On the lower ECAM display unit, on the ELEC page:
| |
4.In the cockpit, on the ELEC section of overhead panel 35VU:
| In the cockpit, on the ELEC section of overhead panel 35VU:
|
| 5.On the control panel of the ECAM system (on center pedestal panel 11VU): | NOTE: You can ignore the indications other than those that follow. |
| | On the lower display unit of the ECAM system (4VU): |
| A.Push and release the BLEED pushbutton switch. |
|
| B.Push and release the HYD pushbutton switch. |
|
| C.Push and release the FUEL pushbutton switch. |
|
6.On the Multipurpose Control & Display Unit (MCDU) 1(2):
| On the MCDU 1(2):
|
|
|
|
|
| 7.On overhead circuit breaker panel 49VU: | On the MCDU 1(2) and on the lower display unit of the ECAM system: |
|
|
| 8.On ENG/APU fire panel 1WD (on overhead panel 20VU): | |
|
|
| | On ENG/APU fire panel 1WD (on overhead panel 20VU):
|
| | On F/O glareshield panel 130VU and CAPT glareshield panel 131VU:
|
| | On the upper display unit of the ECAM system:
|
| | On the lower display unit of the ECAM system (4VU):
|
| 9.On the control panel of the ECAM system (on center pedestal panel 11VU): | On the lower display unit of the ECAM system (4VU): |
| A.Push and release the HYD pushbutton switch. |
|
| B.Push and release the BLEED pushbutton switch. |
|
10.On the MCDU 1(2):
| On the MCDU 1(2):
|
|
|
|
|
| | In zones 414 and 424 of the engine pylon: |
|
|
| |
| 11.On the MCDU 1(2): | On the MCDU 1(2): |
|
|
| 12.On overhead panel 20VU, on ENG/APU fire panel 1WD: | On overhead panel 20VU, on ENG/APU fire panel 1WD: |
|
|
| | On the upper display unit of the ECAM system:
|
| | On the lower display unit of the ECAM system (4VU):
|
| 13.On the center pedestal, on the control panel of the ECAM system (11VU): | |
| A.Push and release the HYD pushbutton switch. |
|
| B.Push and release the FUEL pushbutton switch. |
|
| | On the MCDU 1(2):
|
14.On the MCDU 1(2):
| On the MCDU 1(2):
|
|
|
| 15.On overhead circuit breaker panel 49VU: | On the MCDU 1(2) and on the lower display unit of the ECAM system: |
|
|
| 16.On rear circuit breaker panel 121VU: | On the MCDU 1(2) and on the lower display unit of the ECAM system: |
|
|
| 17.On overhead panel 20VU, on ENG/APU fire panel 1WD: | NOTE: You can ignore the indications other than those that follow. |
| A.Push, then release the ENG 1(2) FIRE pushbutton switch. | On the lower display unit of ECAM system (4VU):
|
| B.Push the ENG 1(2) FIRE pushbutton switch. |
|
| 18.On overhead circuit breaker panel 49VU: | On the lower display unit of the ECAM system: |
|
|
| 19.On overhead panel 20VU, on ENG/APU fire panel 1WD: | |
| A.Push, then release the ENG 1(2) FIRE pushbutton switch. |
|
| B.Push the ENG 1(2) FIRE pushbutton switch. |
|
| 20.On overhead circuit breaker panel 49VU and rear circuit breaker panel 121VU: | On the lower display unit of the ECAM system: |
|
|
| 21.On F/O glareshield panel 130VU or CAPT glareshield panel 131VU: | On F/O glareshield panel 130VU and CAPT glareshield panel 131VU: |
|
|
A. Operational Test of the ENG 1(2) FIRE Pushbutton Switch
Subtask 26-21-00-710-062-C ** ON A/C NOT FOR ALL | ACTION | RESULT |
|---|---|
1.In the cockpit, on the ELEC section of overhead panel 35VU:
| In the cockpit, on the ELEC section of overhead panel 35VU:
|
2.On the control panel of the ECAM system (on center pedestal panel 11VU):
| On the lower ECAM display unit:
|
3.On the lower ECAM display unit, on the ELEC page:
| |
4.In the cockpit, on the ELEC section of overhead panel 35VU:
| In the cockpit, on the ELEC section of overhead panel 35VU:
|
| 5.On the control panel of the ECAM system (on center pedestal panel 11VU): | NOTE: You can ignore the indications other than those that follow. |
| | On the lower display unit of the ECAM system (on center instrument panel 4VU): |
| A.Push and release the BLEED pushbutton switch. |
|
| B.Push and release the HYD pushbutton switch. |
|
| C.Push and release the FUEL pushbutton switch. |
|
6.On the Multipurpose Control & Display Unit (MCDU) 1(2):
| On the MCDU 1(2):
|
|
|
|
|
| 7.On overhead circuit breaker panel 49VU: | On the MCDU 1(2) and on the lower display unit of the ECAM system: |
|
|
| 8.On ENG/APU FIRE panel 1WD (on overhead panel 20VU): | |
|
|
| | On ENG/APU FIRE panel 1WD (on overhead panel 20VU):
|
| | On F/O glareshield panel 130VU and CAPT glareshield panel 131VU:
|
| | On the upper display unit of the ECAM system:
|
| | On the lower display unit of the ECAM system (on center instrument panel 4VU):
|
| 9.On the control panel of the ECAM system (on center pedestal panel 11VU): | On the lower display unit of the ECAM system (on center instrument panel 4VU): |
| A.Push and release the HYD pushbutton switch. |
|
| B.Push and release the BLEED pushbutton switch. |
|
10.On the MCDU 1(2):
| On the MCDU 1(2):
|
|
|
| | In zones 414 and 424 of the engine pylon: |
|
|
| |
| 11.On the MCDU 1(2): | On the MCDU 1(2): |
| |
|
|
|
|
| 12.On overhead panel 20VU, on ENG/APU FIRE panel 1WD: | On overhead panel 20VU, on ENG/APU FIRE panel 1WD: |
|
|
| | On the upper display unit of the ECAM system:
|
| | On the lower display unit of the ECAM system (on center instrument panel 4VU):
|
| 13.On center pedestal panel 11VU, on the control panel of the ECAM system: | |
| A.Push and release the HYD pushbutton switch. |
|
| B.Push and release the FUEL pushbutton switch. |
|
| 14.On the MCDU 1(2): | On the MCDU 1(2): |
| |
|
|
15.On the MCDU 1(2):
| On the MCDU 1(2):
|
|
|
|
|
| 16.On overhead circuit breaker panel 49VU: | On the MCDU 1(2) and on the lower display unit of the ECAM system: |
|
|
| 17.On rear circuit breaker panel 121VU: | On the MCDU 1(2) and on the lower display unit of the ECAM system: |
|
|
| 18.On overhead panel 20VU, on ENG/APU FIRE panel 1WD: | NOTE: You can ignore the indications other than those that follow. |
| A.Push, then release the ENG 1(2) FIRE pushbutton switch. | On the lower display unit of the ECAM system (on center instrument panel 4VU):
|
| B.Push the ENG 1(2) FIRE pushbutton switch. |
|
| 19.On overhead circuit breaker panel 49VU: | On the lower display unit of the ECAM system: |
|
|
| 20.On overhead panel 20VU, on ENG/APU FIRE panel 1WD: | |
| A.Push, then release the ENG 1(2) FIRE pushbutton switch. |
|
| B.Push the ENG 1(2) FIRE pushbutton switch. |
|
| 21.On overhead circuit breaker panel 49VU and rear circuit breaker panel 121VU: | On the lower display unit of the ECAM system: |
|
|
| 22.On F/O glareshield panel 130VU or CAPT glareshield panel 131VU: | On F/O glareshield panel 130VU and CAPT glareshield panel 131VU: |
|
|
A. Operational Test of the ENG 1(2) FIRE Pushbutton Switch
5. Close-up| ACTION | RESULT |
|---|---|
| 1.On the control panel of the ECAM system (on center pedestal panel 11VU): | NOTE: You can ignore the indications other than those that follow. |
| | On the lower ECAM DU (on center instrument panel 4VU): |
| A.Push and release the BLEED pushbutton switch. |
|
| B.Push and release the HYD pushbutton switch. |
|
| C.Push and release the FUEL pushbutton switch. |
|
2.On the Multipurpose Control & Display Unit (MCDU) 1(2):
| On the MCDU 1(2):
|
|
|
|
|
| 3.On overhead circuit breaker panel 49VU: | On the MCDU 1(2) and on the lower ECAM DU: |
|
|
| 4.On ENG/APU FIRE panel 1WD, (on overhead panel 20VU): | |
|
|
| | On ENG/APU FIRE panel 1WD (on overhead panel 20VU):
|
| | On F/O glareshield panel 130VU and CAPT glareshield panel 131VU:
|
| | On the upper ECAM DU:
|
| | On the lower ECAM DU (on center instrument panel 4VU):
|
| 5.On the control panel of the ECAM system (on center pedestal panel 11VU): | On the lower ECAM DU (on center instrument panel 4VU): |
| A.Push and release the HYD pushbutton switch. |
|
| B.Push and release the BLEED pushbutton switch. |
|
6.On the MCDU 1(2):
| On the MCDU 1(2):
|
|
|
|
|
| 7.On the MCDU 1(2): | On the MCDU 1(2): |
| |
|
|
|
|
| 8.On overhead panel 20VU, on ENG/APU FIRE panel 1WD: | On overhead panel 20VU, on ENG/APU FIRE panel 1WD: |
|
|
| | On the upper ECAM DU:
|
| | On the lower ECAM DU (on center instrument panel 4VU):
|
| 9.On center pedestal panel 11VU, on the control panel of the ECAM system: | |
| A.Push and release the HYD pushbutton switch. |
|
| B.Push and release the FUEL pushbutton switch. |
|
| 10.On the MCDU 1(2): | On the MCDU 1(2): |
| |
|
|
11.On the MCDU 1(2):
| On the MCDU 1(2):
|
|
|
|
|
|
|
| 12.On overhead circuit breaker panel 49VU: | On the MCDU 1(2) and on the lower ECAM DU: |
|
|
| 13.On rear circuit breaker panel 121VU: | On the MCDU 1(2) and on the lower ECAM DU: |
|
|
| 14.On overhead panel 20VU, on ENG/APU FIRE panel 1WD: | NOTE: You can ignore the indications other than those that follow. |
| A.Push, then release the ENG 1(2) FIRE pushbutton switch. | On the lower ECAM DU (on center instrument panel 4VU):
|
| B.Push the ENG 1(2) FIRE pushbutton switch. |
|
| 15.On overhead circuit breaker panel 49VU: | On the lower ECAM DU: |
|
|
| 16.On overhead panel 20VU, on ENG/APU FIRE panel 1WD: | |
| A.Push, then release the ENG 1(2) FIRE pushbutton switch. |
|
| B.Push the ENG 1(2) FIRE pushbutton switch. |
|
| 17.On overhead circuit breaker panel 49VU and rear circuit breaker panel 121VU: | On the lower ECAM DU: |
|
|
| 18.On F/O glareshield panel 130VU or CAPT glareshield panel 131VU: | On F/O glareshield panel 130VU and CAPT glareshield panel 131VU: |
|
|
Subtask 26-21-00-869-085-A
A. Put the aircraft back to its initial configuration.
(a) On the ENG/APU FIRE panel 1WD, close the safety guard of the ENG 1(2) FIRE pushbutton switch.
(2) Do an operational test of the fire detection system (Ref. AMM TASK 26-12-00-710-001).
(3) On the ENG panel 115VU, put the ENG/MASTER 1(2) toggle switch 3KC(2KC) in the OFF position.
(4) On the ELEC panel 35VU, push the GEN 1(2) pushbutton switch to reset the generator 1(2).
(6) Do an operational test of the hydraulic fire shut-off valves (Ref. AMM TASK 29-10-00-710-001).
Subtask 26-21-00-080-055-A ** ON A/C NOT FOR ALL CAUTION:
TO RESET THE ENG 1(2) APU FIRE PUSHBUTTON SWITCH:
(1) Closing of the safety guard. - PUSH THE PUSHBUTTON SWITCH FULLY IN (LATCHED POSITION).
(a) On the ENG/APU FIRE panel 1WD, close the safety guard of the ENG 1(2) FIRE pushbutton switch.
(2) Do an operational test of the fire detection system (Ref. AMM TASK 26-12-00-710-001).
(3) On the ENG panel 115VU, put the ENG/MASTER 1(2) toggle switch 3KC(2KC) in the OFF position.
(4) On the ELEC panel 35VU, push the GEN 1(2) pushbutton switch to reset the generator 1(2).
NOTE: On the LAST LEG REPORTS page, on the MCDU: the message CHECK FIRE HANDLE 1(2) RESET GEN 1(2) will go out of view at the subsequent flight.
(5) Stop of the air supply .WARNING:
MAKE SURE THAT THE AIR SUPPLY IS STOPPED. IF IT IS NOT STOPPED, THE ROTOR BLADES WILL START TO TURN WHEN YOU DO THE OPERATIONAL TEST OF THE HYDRAULIC FIRE SHUT-OFF VALVES. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(a) Stop of the air supply (Ref. AMM TASK 12-33-21-618-001).(6) Do an operational test of the hydraulic fire shut-off valves (Ref. AMM TASK 29-10-00-710-001).
B. Disconnect the voltmeter and connect the connector 10HA1(2)-A to the ENG 1(2) BLEED PRESS REG V CTRL solenoid.
Subtask 26-21-00-869-080-A ** ON A/C NOT FOR ALL C. On the AIR COND panel 30VU:
Subtask 26-21-00-869-080-B ** ON A/C NOT FOR ALL - push and release more than one time the ENG 1(2) BLEED pushbutton switch, in the zone 414(424) of the engine pylon,
- make sure that you can hear the ENG 1(2) BLEED PRESS REG V CTRL solenoid operate,
- make sure that the AIR COND/X BLEED selector switch (3HV) is in the CLOSED position.
C. On the AIR COND panel 30VU:
Subtask 26-21-00-860-064-A Subtask 26-21-00-862-061-A Subtask 26-21-00-410-088-A ** ON A/C NOT FOR ALL - Push and release more than one time the ENG 1(2) BLEED pushbutton switch.
- Make sure that the AIR COND/X BLEED selector switch (3HV) is in the CLOSED position.
F. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panels (Ref. AMM TASK 54-52-11-400-002):
(a) FOR [10HA1] (SOLENOID-BLEED PRESS REG V CTL, ENG 1)
(b) FOR [10HA2] (SOLENOID-BLEED PRESS REG V CTL, ENG 2)
Subtask 26-21-00-410-088-B ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panels (Ref. AMM TASK 54-52-11-400-002):
(a) FOR [10HA1] (SOLENOID-BLEED PRESS REG V CTL, ENG 1)
(b) FOR [10HA2] (SOLENOID-BLEED PRESS REG V CTL, ENG 2)
F. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panels (Ref. AMM TASK 54-52-11-400-002):
(a) FOR [10HA1] (SOLENOID-BLEED PRESS REG V CTL, ENG 1)
(b) FOR [10HA2] (SOLENOID-BLEED PRESS REG V CTL, ENG 2)
(3) Remove the access platform(s).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panels (Ref. AMM TASK 54-52-11-400-002):
(a) FOR [10HA1] (SOLENOID-BLEED PRESS REG V CTL, ENG 1)
(b) FOR [10HA2] (SOLENOID-BLEED PRESS REG V CTL, ENG 2)
(3) Remove the access platform(s).