W DOC AIRBUS | AMM A320F

Operational Test of the Bleed Air System

TASK 36-11-00-710-003-A
Operational Test of the Bleed Air System

ZONE: 210
1. Reason for the Job
To do a check of the bleed air system with the two air conditioning packs, first with the bleed air system of the engine 1 then with the bleed air system of the engine 2.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
98F10103500000
AR
CHOCK-MLG,ENGINE RUN-UP
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
210
CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
 C. 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 49-00-00-860-005-A
APU Start by External Power
TASK 49-00-00-860-005-A-01
APU Start by Batteries
TASK 49-00-00-860-006-A
APU Shutdown by External Power
TASK 49-00-00-860-006-A-01
APU Shutdown by Batteries
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 71-00-00-710-003-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
TASK 71-00-00-869-004-A
Safety Precautions During Engine Ground Operations
F Tool Installation
3. Job Set-up
Subtask 36-11-00-860-064-A ** ON A/C NOT FOR ALL
A. Safety Precautions
   (1) Obey the safety precautions during engine ground operations (Ref. AMM TASK 71-00-00-869-004).
   (2) Make sure that a 98F10103500000 CHOCK-MLG,ENGINE RUN-UP is in position in front of each forward-outboard Main Landing Gear (MLG) wheel.
F Tool Installation ** ON A/C NOT FOR ALL
Subtask 36-11-00-861-071-A ** ON A/C NOT FOR ALL
B. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
Subtask 36-11-00-865-050-A ** ON A/C NOT FOR ALL
C. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUAIR BLEED/X FEED/VALVE/BAT2HVD13
49VUAIR BLEED/ENG 1/CTL3HA1D12
49VUAIR BLEED/ENG 1/MONG2HA1D11
122VUAIR BLEED/ENG 2/CTL3HA2Z23
122VUAIR BLEED/ENG 2/MONG2HA2Z22
122VUAIR BLEED/X FEED VALVE/NORM1HVZ20
Subtask 36-11-00-860-052-A ** ON A/C NOT FOR ALL
D. 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) In the cockpit, on AIR COND panel 30VU:
  • Push the PACK 1 and PACK 2 pushbutton switches (the OFF legends go off)
  • Set the PACK FLOW selector switch to the LO position
  • Make sure that the X BLEED selector switch is in the AUTO position
  • Make sure that the APU BLEED pushbutton switch is released (the ON legend is off)
  • Release the ENG 1 and ENG 2 BLEED pushbutton switches (the OFF legends come on).
   (3) Start the APU to pressurize the pneumatic system:
     (a) After the APU starts, wait for a minimum of 3 minutes for the warm up period before you select the APU BLEED.
   (4) In the cockpit, on AIR COND panel 30VU:
  • Push the APU BLEED pushbutton switch (the ON legend comes on).
   (5) Start engine 1 and engine 2 (Ref. AMM TASK 71-00-00-710-003):
     (a) Keep the RPM of engine 1 and engine 2 at the idle speed.
Subtask 36-11-00-860-052-D ** ON A/C NOT FOR ALL
D. 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) In the cockpit, on AIR COND panel 30VU:
  • Push the PACK 1 and PACK 2 pushbutton switches (the OFF legends go off)
  • Set the PACK FLOW selector switch to the LO position
  • Make sure that the X BLEED selector switch is in the AUTO position
  • Make sure that the APU BLEED pushbutton switch is released (the ON legend is off)
  • Release the ENG 1 and ENG 2 BLEED pushbutton switches (the OFF legends come on).
   (3) Start the APU to pressurize the pneumatic system:
     (a) After the APU starts, wait for a minimum of 3 minutes for the warm up period before you select the APU BLEED.
   (4) In the cockpit, on AIR COND panel 30VU:
  • Push the APU BLEED pushbutton switch (the ON legend comes on).
   (5) Start engine 1 and engine 2 (Ref. AMM TASK 71-00-00-710-003):
     (a) Keep the RPM of engine 1 and engine 2 at the idle speed.
Subtask 36-11-00-860-052-F ** ON A/C NOT FOR ALL
D. 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) In the cockpit, on AIR COND panel 30VU:
  • Push the PACK 1 and PACK 2 pushbutton switches (the OFF legends go off)
  • Set the PACK FLOW selector switch to the LO position
  • Make sure that the X BLEED selector switch is in the AUTO position
  • Make sure that the APU BLEED pushbutton switch is released (the ON legend is off)
  • Release the ENG 1 and ENG 2 BLEED pushbutton switches (the OFF legends come on).
   (3) Start the APU to pressurize the pneumatic system:
     (a) After the APU starts, wait for a minimum of 3 minutes for the warm up period before you select the APU BLEED.
   (4) In the cockpit, on AIR COND panel 30VU:
  • Push the APU BLEED pushbutton switch (the ON legend comes on).
   (5) Start engine 1 and engine 2 (Ref. AMM TASK 71-00-00-710-043):
     (a) Keep the RPM of engine 1 and engine 2 at the idle speed.
4. Procedure
Subtask 36-11-00-710-054-A ** ON A/C NOT FOR ALL
A. Do this test
NOTE: To do this test, Airbus recommends you to supply the two air conditioning packs first with the bleed air system of engine 1 then with the bleed air system of engine 2.
ACTION
RESULT
1.On AIR COND panel 30VU:
  • Push the ENG 1(2) BLEED pushbutton switch.
On AIR COND panel 30VU:
  • The OFF legend of the ENG 1(2) BLEED pushbutton switch goes off.
2.On AIR COND panel 30VU:
  • Release the APU BLEED pushbutton switch.
On AIR COND panel 30VU:
  • The ON legend of the APU BLEED pushbutton switch goes off.

On the lower ECAM DU, the BLEED page shows:
  • The APU bleed-valve symbol: crossline green
  • The CROSSBLEED valve symbol: crossline green
  • Engine 1(2) PRV symbol: in line green
  • Engine 1(2) HPV symbol: in line green
  • The ENG 1(2) pressure between 20 psi (1.38 bar) and 39 psi (2.69 bar)
  • The ENG 1(2) temperature between 150 deg.C (302.00 deg.F) and 200 deg.C (392.00 deg.F).
3.On AIR COND panel 30VU:
  • Set the X BLEED selector switch to OPEN.
On the lower ECAM DU, the BLEED page shows:
  • The CROSSBLEED valve symbol: in line green.
4.On the throttle levers:
  • Increase the speed of engine 1(2) to between 35% and 40% of N1.
On the lower ECAM DU, the BLEED page shows:
  • The APU bleed-valve symbol: crossline green
  • The CROSSBLEED valve symbol: in line green
  • Engine 1(2) PRV symbol: in line green
  • Engine 1(2) HPV symbol: in line green
  • The ENG 1(2) pressure: 36 -4 psi or +4 psi (2.48 -0.28 bar or +0.28 bar)
  • The ENG 1(2) temperature: 200 -30 deg.C or +10 deg.C (392 -54 deg.F or +18 deg.F).
5.On the throttle levers:
  • Increase the speed of engine 1(2) up to 65% of N1.
On the lower ECAM DU, the BLEED page shows:
  • The APU bleed-valve symbol: crossline green
  • The CROSSBLEED valve symbol: in line green
  • Engine 1(2) PRV symbol: in line green
  • Engine 1(2) HPV symbol: crossline green
  • The ENG 1(2) pressure: 44 -4 psi or +4 psi (3.03 -0.28 bar or +0.28 bar)
  • The ENG 1(2) temperature: 200 -40 DEG.C or +10 DEG.C (392 -72 DEG.F or +18 DEG.F).
6.On the throttle levers:
  • Move the throttle control lever of engine 1(2) to the idle position.
On the lower ECAM DU, the BLEED page shows:
  • The APU bleed-valve symbol: crossline green
  • The CROSSBLEED valve symbol: in line green
  • Engine 1(2) PRV symbol: in line green
  • Engine 1(2) HPV symbol: in line green
  • The ENG 1(2) pressure between 20 psi (1.38 bar) and 36 psi (2.48 bar)
  • The ENG 1(2) temperature between 150 deg.C (302.00 deg.F) and 200 deg.C (392.00 deg.F).
7.On AIR COND panel 30VU:
  • Set the X BLEED selector switch to AUTO.
On the lower ECAM DU, the BLEED page shows:
  • The CROSSBLEED valve symbol: crossline green.
8.On AIR COND panel 30VU:
  • Push the APU BLEED pushbutton switch.
On AIR COND panel 30VU:
  • The ON legend of the APU BLEED pushbutton switch comes on.

On the lower ECAM DU, the BLEED page shows:
  • The APU bleed-valve symbol: in line green
  • The CROSSBLEED valve symbol: in line green
  • Engine 1(2) PRV symbol: crossline green
  • Engine 1(2) HPV symbol: crossline green
9.On AIR COND panel 30VU:
  • Release the ENG 1 BLEED pushbutton switch.
  • Do the same test with the ENG 2 BLEED pushbutton switch pushed (step 2.).
On AIR COND panel 30VU:
  • The OFF legend of the ENG 1 BLEED pushbutton switch comes on.
Subtask 36-11-00-710-054-B ** ON A/C NOT FOR ALL
CAUTION: DURING GROUND RUNNING, CONCERN FOR FAN BLADE INTEGRITY PROHIBITS STABILISED ENGINE OPERATION IN THE FOLLOWING SPEED RANGE:
  • FOR PRE-SCN17/V A/C: DO NOT STABILISE THE ENGINE BETWEEN 61% TO 74% N1 SPEED RANGE
  • FOR POST-SCN17/V A/C: STABILISED OPERATION OF THE ENGINE BETWEEN APPROXIMATELY 60% TO 74% N1 SPEED RANGE (LIMITS ARE A FUNCTION OF OUTSIDE TEMPERATURE) WILL BE PROHIBITED BY THE EEC, AS THE SOFTWARE INCLUDES THE KEEP-OUT-ZONE FOR ON-GROUND, STATIC OPERATION.
A. Do this test
NOTE: To do this test, Airbus recommends you to supply the two air conditioning packs first with the bleed air system of engine 1 then with the bleed air system of engine 2.
ACTION
RESULT
1.On AIR COND panel 30VU:
  • Push the ENG 1(2) BLEED pushbutton switch.
On AIR COND panel 30VU:
  • The OFF legend of the ENG 1(2) BLEED pushbutton switch goes off.
2.On AIR COND panel 30VU:
  • Release the APU BLEED pushbutton switch.
On AIR COND panel 30VU:
  • The ON legend of the APU BLEED pushbutton switch goes off.

On the lower ECAM DU, the BLEED page shows:
  • The APU bleed-valve symbol: crossline green
  • The CROSSBLEED valve symbol: crossline green
  • Engine 1(2) PRV symbol: in line green
  • Engine 1(2) HPV symbol: in line green
  • The ENG 1(2) pressure between 20 psi (1.38 bar) and 39 psi (2.69 bar)
  • The ENG 1(2) temperature between 150 deg.C (302.00 deg.F) and 200 deg.C (392.00 deg.F).
3.On AIR COND panel 30VU:
  • Set the X BLEED selector switch to OPEN.
On the lower ECAM DU, the BLEED page shows:
  • The CROSSBLEED valve symbol: in line green.
4.On the throttle levers:
  • Increase the speed of engine 1(2) to between 35% and 40% of N1.
On the lower ECAM DU, the BLEED page shows:
  • The APU bleed-valve symbol: crossline green
  • The CROSSBLEED valve symbol: in line green
  • Engine 1(2) PRV symbol: in line green
  • Engine 1(2) HPV symbol: in line green
  • The ENG 1(2) pressure: 36 -4 psi or +4 psi (2.48 -0.28 bar or +0.28 bar)
  • The ENG 1(2) temperature: 200 -30 deg.C or +10 deg.C (392 -54 deg.F or +18 deg.F).
5.On the throttle levers:
  • Increase the speed of engine 1(2) up to 75% of N1.
On the lower ECAM DU, the BLEED page shows:
  • The APU bleed-valve symbol: crossline green
  • The CROSSBLEED valve symbol: in line green
  • Engine 1(2) PRV symbol: in line green
  • Engine 1(2) HPV symbol: crossline green
  • The ENG 1(2) pressure: 44 -4 psi or +4 psi (3.03 -0.28 bar or +0.28 bar)
  • The ENG 1(2) temperature: 200 -40 DEG.C or +10 DEG.C (392 -72 DEG.F or +18 DEG.F).
6.On the throttle levers:
  • Move the throttle control lever of engine 1(2) to the idle position.
On the lower ECAM DU, the BLEED page shows:
  • The APU bleed-valve symbol: crossline green
  • The CROSSBLEED valve symbol: in line green
  • Engine 1(2) PRV symbol: in line green
  • Engine 1(2) HPV symbol: in line green
  • The ENG 1(2) pressure between 20 psi (1.38 bar) and 36 psi (2.48 bar)
  • The ENG 1(2) temperature between 150 deg.C (302.00 deg.F) and 200 deg.C (392.00 deg.F).
7.On AIR COND panel 30VU:
  • Set the X BLEED selector switch to AUTO.
On the lower ECAM DU, the BLEED page shows:
  • The CROSSBLEED valve symbol: crossline green.
8.On AIR COND panel 30VU:
  • Push the APU BLEED pushbutton switch.
On AIR COND panel 30VU:
  • The ON legend of the APU BLEED pushbutton switch comes on.

On the lower ECAM DU, the BLEED page shows:
  • The APU bleed-valve symbol: in line green
  • The CROSSBLEED valve symbol: in line green
  • Engine 1(2) PRV symbol: crossline green
  • Engine 1(2) HPV symbol: crossline green
9.On AIR COND panel 30VU:
  • Release the ENG 1 BLEED pushbutton switch.
  • Do the same test with the ENG 2 BLEED pushbutton switch pushed (step 2.).
On AIR COND panel 30VU:
  • The OFF legend of the ENG 1 BLEED pushbutton switch comes on.
5. Close-up
Subtask 36-11-00-860-053-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
   (1) Stop engines 1 and 2 (Ref. AMM TASK 71-00-00-710-028).
   (2) Stop the APU:
   (3) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).
   (4) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
   (5)
F Tool Installation ** ON A/C NOT FOR ALL
Subtask 36-11-00-860-053-B ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
   (1) Stop engines 1 and 2 (Ref. AMM TASK 71-00-00-710-018).
   (2) Stop the APU:
   (3) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).
   (4) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
   (5)
F Tool Installation ** ON A/C NOT FOR ALL
[Rev.10 from 2021] 2026.04.01 01:06:47 UTC
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