Leak Test of the Bleed-Pressure Regulator Valve with the APU in Operation and with the Bleed Test Set P/N 98L36103002000

TASK 36-11-52-790-010-A-03
Leak Test of the Bleed-Pressure Regulator Valve with the APU in Operation and with the Bleed Test Set P/N 98L36103002000

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL
FIN: 4001HA ** ON A/C NOT FOR ALL

1. Reason for the Job
Do this test after removal/installation of the bleed-pressure regulator valve to make sure that:

There are no leaks on the removed parts,
The electrical connectors are correctly installed.

You must start the APU to do this procedure.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE
No specific	AR	PLUG - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)
98L36103002000	1	TEST SET - ENGINE BLEED
M82000460	1	CLAPPER,BLEED-EXTERNAL

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.14QFB1)	Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR, 451AL, 452AR, 461AL, 462AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR, 461AL, 462AR

D. 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
TASK 49-00-00-860-008-A	APU Start by External Power
TASK 49-00-00-860-008-A-01	APU Start by Batteries
TASK 49-00-00-860-009-A	APU Shutdown by External Power (131-9(A))
TASK 49-00-00-860-009-A-01	APU Shutdown by Batteries (131-9(A))
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 78-30-00-040-012-A	Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance
TASK 78-30-00-440-012-A	Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance
TASK 78-32-00-010-010-A	Opening of the Thrust Reverser Halves
TASK 78-32-00-410-010-A	Closing of the Thrust Reverser Halves

3. Job Set-up
Subtask 36-11-52-861-082-A ** ON A/C NOT FOR ALL

A. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).

Subtask 36-11-52-941-088-A ** ON A/C NOT FOR ALL

B. Safety Precautions
(1) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(2) On the ENG panel 115VU:

Put a WARNING NOTICE(S) in position to tell persons not to start the engine 1(2).

(3) On the HP ground connector:

Put a WARNING NOTICE(S) in position to tell persons not to pressurize the pneumatic system.

(4) On the ENG section of the maintenance panel 50VU:

Make sure that the ON legend of the ENG/FADEC GND PWR 1(2) pushbutton switch is off.
Put a WARNING NOTICE(S) in position to tell persons not to energize the FADEC 1(2).

Subtask 36-11-52-860-094-A ** ON A/C NOT FOR ALL

C. Aircraft Maintenance Configuration
(1) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
(2) On the AIR COND panel 30VU:

Make sure that the PACK 1 and PACK 2 pushbutton switches are released (OFF legends are off).
Set the PACK FLOW selector switch to LO.
Make sure that the X BLEED selector switch is set to OPEN.
Make sure that the ENG 1 BLEED and ENG 2 BLEED pushbutton switches are pushed (the OFF legends are off).

Subtask 36-11-52-865-079-A ** ON A/C NOT FOR ALL

D. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	AIR BLEED/ENG 1/CTL	3HA1	D12
122VU	AIR BLEED/ENG 2/CTL	3HA2	Z23

Subtask 36-11-52-010-131-A ** ON A/C NOT FOR ALL

E. Get Access
(1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.

Subtask 36-11-52-040-097-A ** ON A/C NOT FOR ALL

F. Deactivation of the Thrust Reverser Hydraulic Control Unit

WARNING: MAKE SURE THAT THE THRUST REVERSER HYDRAULIC CONTROL UNIT (HCU) IS DEACTIVATED BEFORE YOU DO WORK ON OR AROUND THE THRUST REVERSER. IF THE HCU IS NOT DEACTIVATED, THERE IS A RISK OF UNWANTED THRUST REVERSER OPERATION WHICH CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.

(1) Do the deactivation of the thrust reverser Hydraulic Control Unit (HCU) (Ref. AMM TASK 78-30-00-040-012).

Subtask 36-11-52-010-132-A ** ON A/C NOT FOR ALL

G. Get Access
(1) Open the thrust reverser halves (Ref. AMM TASK 78-32-00-010-010):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM1] (ENGINE-1)
461AL 462AR.
(2) Put an ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE in position at the bleed-pressure regulator valve.

Subtask 36-11-52-480-074-B ** ON A/C NOT FOR ALL

H. Connection of the Test Set
(1) Removal of the lockwire:

WARNING: USE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

(a) Cut, remove and discard the lockwire from the blanking cap of the test port of the PRV.
(2) Remove the blanking plug from the test port of the bleed-pressure regulator valve.
(3) Connect the M82000460 CLAPPER,BLEED-EXTERNAL to the test port of the bleed-pressure regulator valve.
(4) Close the shutoff valve, the purge valve and the pressure regulator valve on the 98L36103002000 TEST SET - ENGINE BLEED.

WARNING: MAKE SURE THAT THE PRESSURE SUPPLIED TO BLEED TEST SET 98L36103002000 NEVER EXCEEDS 217 PSI (15 BAR). IF THE PRESSURE SUPPLIED TO THE BLEED TEST SET EXCEEDS THIS VALUE, THERE IS A RISK OF INJURY TO PERSONNEL AND DAMAGE TO EQUIPMENT. IF THE AIR CYLINDER DOES NOT HAVE A MANOMETER INSTALLED, YOU MUST INSTALL THE PRIMARY REGULATOR VALVE BETWEEN THE AIR BOTTLE AND BLEED TEST SET 98L36103002000. THE PRIMARY REGULATOR VALVE WILL LIMIT THE PRESSURE IN THE BLEED TEST SET TO 217 PSI (15 BAR).

(5) Connect an air cylinder to the 98L36103002000 TEST SET - ENGINE BLEED.
(6) Connection of the test set.

CAUTION: BE CAREFUL WHEN YOU CONNECT/DISCONNECT THE TEST SET TO/FROM THE EQUIPMENT. THE PRESSURE REGULATING VALVE AND THE PRESSURE GAGE ASSEMBLY OF THE TEST SET ARE HEAVY AND CAN CAUSE DAMAGE TO THE ENGINE.

(a) Connect the 98L36103002000 TEST SET - ENGINE BLEED with the short bend flexible-assembly to the M82000460 CLAPPER,BLEED-EXTERNAL.
(7) Do a reset of the digital pressure gage.
(8) On the bleed-pressure regulator valve, disconnect the sense line from the bleed-pressure-regulator valve control-solenoid (10HA1).
(9) Put a PLUG - BLANKING on the valve and on the disconnected line end.
(10) Make sure that the regulator valve of the test set is closed before pressurize the system.

4. Procedure
Subtask 36-11-52-790-057-A ** ON A/C NOT FOR ALL

A. Leak Test of the Bleed-Pressure Regulator Valve with the APU in Operation on the Ground
(1) Start the APU to pressurize the pneumatic system:

GTCP 36-300 (Ref. AMM D/O 49-00-00-86)
or
APS 3200 (Ref. AMM D/O 49-00-00-86)
or
131-9(A) (Ref. AMM TASK 49-00-00-860-008). the APU BLEED.

NOTE: After the APU starts, Airbus recommends you to wait for a minimum of 3 minutes for the warm up period, before you select the APU BLEED.

(2) On AIR COND overhead-panel 30VU, push the APU BLEED pushbutton-switch (the ON legend comes on).
(3) On the lower ECAM DU, push the BLEED key (on the lower ECAM DU, the BLEED page comes into view).
(4) On the lower ECAM DU, on the BLEED page:

Make sure that the related bleed-pressure regulator valve is shown closed.
Record the values of the engine bleed pressure.

(5) Do this test:

ACTION	RESULT
1.Pressurize the test set. If there is a manometer in the air cylinder then the installation of the primary regulator valve is not necessary. Use the air-cylinder shut-off valve and the manometer to slowly pressurize the test set to 200 psi (13.7895 bar). If there is no manometer in the air cylinder then the installation of primary regulator valve is mandatory. The primary regulator valve makes sure that the pressure in the test set is in the given limit 217 psi (14.9616 bar).
2.On the test set: Open the shutoff valve. Use the pressure regulator valve of the test set to slowly pressurize the system 20 psi (1.3790 bar) more than the engine bleed pressure shown on the BLEED page of the lower ECAM DU.	On the test set: The digital pressure gage shows the pressure.
	On the bleed-pressure regulator valve (4001HA): Make sure that the visual position indicator shows that the valve is open.
	On the lower ECAM DU, on the BLEED page: Make sure that the related valve is shown open.
3.Make sure that there are no leaks at the junction between the bleed-pressure regulator valve and the duct on the related engine.
4.On the test set: Use the pressure regulator valve of the test set to decrease the pressure of the system to 0 psi (0.0000 bar).	On the test set: The digital pressure gage shows 0 psi (0.0000 bar).
	On the bleed-pressure regulator valve (4001HA): The visual position indicator shows that the valve is closed.
	On the lower ECAM DU, on the BLEED page: Make sure that the related valve is shown closed.
5.Stop the APU: GTCP 36-300 (Ref. AMM D/O 49-00-00-86), or APS 3200 (Ref. AMM D/O 49-00-00-86), or 131-9(A) (Ref. AMM TASK 49-00-00-860-009).
6.Remove the PLUG-BLANKING from each disconnected line end.
7.Remove the blanking plug from the bleed-pressure regulator valve and connect the sense line to the bleed-pressure-regulator valve control-solenoid (10HA1).
8.On the test set: Use the pressure regulator valve of the test set to slowly pressurize the system to 20 psi (1.3790 bar).	On the test set: The digital pressure gage shows the pressure.
	On the bleed-pressure regulator valve (4001HA): Make sure that the visual position indicator shows that the valve is open. If the valve is not in the open position, make sure that there are no leaks at the sense line from the control solenoid (10HA1).
9.On the test set: Use the pressure regulator valve of the test set to decrease the pressure of the system to 0 psi (0.0000 bar).	On the test set: The digital pressure gage shows 0 psi (0.0000 bar).
	On the bleed-pressure regulator valve (4001HA): The visual position indicator shows that the valve is closed.
	On the lower ECAM DU, on the BLEED page: Make sure that the related valve is shown closed.

5. Close-up
Subtask 36-11-52-080-074-B ** ON A/C NOT FOR ALL

A. Disconnection of the Test Set
(1) Close the shutoff valve of the air cylinder.
(2) Slowly open the purge valve to depressurize the test set.
(3) Disconnection of the test set.

WARNING: BEFORE YOU START TO REMOVE THE TOOLING, MAKE SURE THAT THERE IS NO PRESSURIZED GAS LEFT INSIDE THE DUCTS. IT CAN CAUSE AN INJURY TO PERSONNEL AND/OR DAMAGE TO EQUIPMENT.

(a) Disconnect the short bend flexible-assembly from the M82000460 CLAPPER,BLEED-EXTERNAL and from the 98L36103002000 TEST SET - ENGINE BLEED.
(4) Disconnect the M82000460 CLAPPER,BLEED-EXTERNAL from the bleed-pressure regulator valve.
(5) Disconnect the air cylinder from the 98L36103002000 TEST SET - ENGINE BLEED.
(6) Put the blanking plug on the test port of the bleed-pressure regulator valve.
(7) Installation of the lockwire:

(a) Safety the blanking cap with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.

Subtask 36-11-52-410-124-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the thrust reverser halves (Ref. AMM TASK 78-32-00-410-010):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR.

Subtask 36-11-52-440-088-A ** ON A/C NOT FOR ALL

C. Do the activation of the thrust reverser HCU (Ref. AMM TASK 78-30-00-440-012).

Subtask 36-11-52-410-125-A ** ON A/C NOT FOR ALL

D. Close Access
(1) Close the fan cowls (Ref. AMM TASK 71-13-00-410-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).

Subtask 36-11-52-865-080-A ** ON A/C NOT FOR ALL

E. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	AIR BLEED/ENG 1/CTL	3HA1	D12
122VU	AIR BLEED/ENG 2/CTL	3HA2	Z23

Subtask 36-11-52-860-095-A ** ON A/C NOT FOR ALL

F. Put the aircraft back to its initial configuration.
(1) On the AIR control panel 30VU:

Release the ENG BLEED pushbutton switches (the OFF legends come on).

(2) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).

Subtask 36-11-52-862-080-A ** ON A/C NOT FOR ALL

G. De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 01:12:58 UTC