W DOC AIRBUS | AMM A320F

Functional Test of the Overpressure Valve (OPV) with the Bleed Test Set P/N 98L36103002000 and the Adaptor Kit P/N 98D36109004000


TASK 36-11-53-720-805-A
Functional Test of the Overpressure Valve (OPV) with the Bleed Test Set P/N 98L36103002000 and the Adaptor Kit P/N 98D36109004000


WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
WARNING: MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START WORK. PRESSURIZED AIR CAN CAUSE INJURY TO PERSONNEL.
WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.
WARNING: YOU MUST NOT TOUCH HOT PARTS WITHOUT APPLICABLE GLOVES. HOT PARTS CAN CAUSE AN INJURY.
WARNING: MAKE SURE THAT THE SAFETY DEVICES AND THE WARNING NOTICES ARE IN POSITION BEFORE YOU START A TASK ON OR NEAR:
  • THE FLIGHT CONTROLS
  • THE FLIGHT CONTROL SURFACES
  • THE LANDING GEAR AND RELATED DOORS
  • COMPONENTS THAT MOVE.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
WARNING: BEFORE YOU INSTALL/REMOVE THE GSE TOOL, READ THE MANUFACTURER'S INSTRUCTIONS, AND, WHILE YOU OPERATE THIS TOOL, CAREFULLY OBEY THEM. IF YOU DO NOT DO THIS, INJURY TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
WARNING: BEFORE YOU START WORK, YOU MUST PUT ON A SAFETY HARNESS AND ATTACH IT TO THE ACCESS PLATFORM. WITHOUT A SAFETY HARNESS, YOU CAN FALL. THIS CAN KILL YOU OR CAUSE YOU INJURY.
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.
FIN: 7115HM1 ** ON A/C NOT FOR ALL
FIN: 7115HM2 ** ON A/C NOT FOR ALL
1. Reason for the Job
Refer to the MPD TASK: 361100-02
FUNCTIONAL CHECK OF OVERPRESSURE VALVE
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific
1
AIR SOURCE 6.9 BAR (100 PSI) - REGULATED,FILTERED, DRY
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 0.75 and 0.65 m.daN (66.37 and 57.52 lbf.in ) T
98D27803000000
1
LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION
98D36109004000
1
ADAPTORS KIT - BLEED
98L36103002000
1
TEST SET - ENGINE BLEED
 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
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 27-00-00-080-002-A
Removal of the Flap/Slat Control-Lever Locking Tool (98D27803000000)
TASK 27-00-00-480-002-A
Installation of the Flap/Slat Control-Lever Locking Tool (98D27803000000)
TASK 71-13-00-010-802-A
Opening of the Fan Cowl Doors
TASK 71-13-00-410-802-A
Closing of the Fan Cowl Doors
TASK 78-30-00-040-805-A
Deactivation of the Thrust Reverser System for Ground Maintenance
TASK 78-30-00-440-805-A
Reactivation of the Thrust Reverser System after Ground Maintenance
TASK 78-36-00-010-802-A
Opening of the Thrust Reverser Cowl-Doors
TASK 78-36-00-410-802-A
Closing of the Thrust Reverser Cowl-Doors
3. Job Set-up
Subtask 36-11-53-861-065-A ** ON A/C NOT FOR ALL
A. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
Subtask 36-11-53-941-067-A ** ON A/C NOT FOR ALL
B. Safety Precautions
   (1) Make sure that engine 1(2) shutdown occurred not less than five minutes before you do this procedure.
   (2) On the AIR COND section of panel 30VU:
     (a) Make sure that the ENG 1(2) BLEED pushbutton switch is released (the OFF legend is on).
     (b) Make sure that the APU BLEED pushbutton switch is released (the ON legend is off).
     (c) Put a WARNING NOTICE(S) in position to tell persons not to operate the pneumatic system.
   (3) On the center pedestal, on the ENG section of panel 115VU:
     (a) Make sure that the ENG/MODE selector switch is in the NORM position.
     (b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
     (c) Put a WARNING NOTICE(S) in position to tell persons not to operate:
  • The ENG/MODE selector switch
  • The ENG/MASTER 1(2) control switch.
   (4) On the ENG section of maintenance panel 50VU:
     (a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
     (b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
   (5) On the HP ground connector:
     (a) Put a WARNING NOTICE(S) in position to tell persons not to pressurize the pneumatic system.
   (6) On FLAPS panel 114VU:
     (a) Put the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION in position on the flap/slat control lever (Ref. AMM TASK 27-00-00-480-002).
     (b) Put a WARNING NOTICE(S) in position on the flap/slat control lever to tell persons not to operate the flap/slat controls.
Subtask 36-11-53-865-073-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
FOR FIN: 7115HM1 (VALVEOVERPRESSURE, ENG 1)
49VUAIR BLEED/APU BLEED VLV CTL/BMC1 OVRD11HVD14
49VUAIR BLEED/ENG 1/CTL2HA1D11
122VUAIR BLEED/ENG 1/MONG3HA1Z23
122VUAIR BLEED/X FEED VALVE/NORM1HVZ20
FOR FIN: 7115HM2 (VALVEOVERPRESSURE, ENG 2)
49VUAIR BLEED/X FEED/VALVE/BAT2HVD13
49VUAIR BLEED/ENG 2/MONG3HA2D12
122VUAIR BLEED/ENG 2/CTL2HA2Z22
122VUAIR BLEED/APU BLEED VLV CTL/BMC2 OVRD12HVZ19
Subtask 36-11-53-010-082-A ** ON A/C NOT FOR ALL
D. Get Access
   (1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-802):
     (a) FOR [1000EM1] (ENGINE-1)
437AL and 438AR.
     (b) FOR [1000EM2] (ENGINE-2)
447AL and 448AR.
Subtask 36-11-53-040-066-A ** ON A/C NOT FOR ALL
E. Deactivation of the Thrust Reverser System
WARNING: YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.
   (1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-040-805).
Subtask 36-11-53-010-087-A ** ON A/C NOT FOR ALL
F. Get Access
   (1) Open the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-010-802):
     (a) FOR [1000EM1] (ENGINE-1)
451AL and 452AR.
     (b) FOR [1000EM2] (ENGINE-2)
461AL and 462AR.
   (2) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position below the applicable engine.
4. Procedure
Subtask 36-11-53-480-062-A ** ON A/C NOT FOR ALL
A. Connection of the Tool
   (1) Removal of the lockwire:
WARNING: USE PROTECTIVE 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 and discard the lockwire from the blanking plug of the test port.
   (2) Remove the blanking plug of the test port.
   (3) On the 98L36103002000 TEST SET - ENGINE BLEED, close the shutoff valve, the purge valve and the pressure regulator valve.
   (4) Connect the 98D36109004000 ADAPTORS KIT - BLEED to the test port of the OPV.
   (5) Connect the 98L36103002000 TEST SET - ENGINE BLEED to the 98D36109004000 ADAPTORS KIT - BLEED.
   (6) Connect the AIR SOURCE 6.9 BAR (100 PSI) - REGULATED,FILTERED, DRY to the 98L36103002000 TEST SET - ENGINE BLEED.
   (7) Set the digital pressure gage back to 0 psi (0.00 bar).
Subtask 36-11-53-720-091-A ** ON A/C NOT FOR ALL
B. Functional Test of the OPV
WARNING: WHEN YOU USE COMPRESSED AIR:
  • USE THE CORRECT PROTECTION (FACE SHIELD OR GOGGLES)
  • DO NOT POINT THE AIRFLOW AT YOURSELF OR OTHER PERSONS.
LOOSE PARTICLES AND/OR HIGH PRESSURE AIR CAN CAUSE INJURY.
WARNING: WHEN YOU USE COMPRESSED AIR:
  • USE THE CORRECT PROTECTION (FACE SHIELD OR GOGGLES)
  • DO NOT POINT THE AIRFLOW AT YOURSELF OR OTHER PERSONS.
LOOSE PARTICLES AND/OR HIGH PRESSURE AIR CAN CAUSE INJURY.
   (1) Do the test(s):
ACTION
RESULT
1.On the AIR SOURCE 6.9 BAR (100 PSI) - REGULATED,FILTERED, DRY:
  • Open the shutoff valve.
On the AIR SOURCE 6.9 BAR (100 PSI) - REGULATED,FILTERED, DRY:
  • The cylinder pressure gage shows the pressure.
2.On the AIR SOURCE 6.9 BAR (100 PSI) - REGULATED,FILTERED, DRY:
  • Pressurize the pressure source to 100 psi (6.89 bar) with the primary regulator valve.
On the AIR SOURCE 6.9 BAR (100 PSI) - REGULATED,FILTERED, DRY:
  • The primary gage shows 100 psi (6.89 bar).
3.On the 98L36103002000 TEST SET - ENGINE BLEED:
  • Slowly pressurize the system to get a pressure value of 90 psi (6.21 bar).
On OPV 7115HM1 (7115HM2):
  • Make sure that the position indicator shows that OPV 7115HM1 (7115HM2) is closed.
4.On the 98L36103002000 TEST SET - ENGINE BLEED:
  • Slowly depressurize the system to open the OPV.
On the 98L36103002000 TEST SET - ENGINE BLEED:
  • When the pressure is less than 43 psi (2.96 bar), the position indicator shows that OPV 7115HM1 (7115HM2) is open.
5.On the 98L36103002000 TEST SET - ENGINE BLEED:
  • Depressurize the system.
On OPV 7115HM1 (7115HM2):
  • The position indicator shows that OPV 7115HM1 (7115HM2) is open.
6.Depressurize the AIR SOURCE 6.9 BAR (100 PSI) - REGULATED,FILTERED, DRY.

5. Close-up
Subtask 36-11-53-080-059-A ** ON A/C NOT FOR ALL
A. Disconnection of the Tool
   (1) Close the shutoff valve of the AIR SOURCE 6.9 BAR (100 PSI) - REGULATED,FILTERED, DRY.
   (2) Slowly open the purge valve to depressurize the 98L36103002000 TEST SET - ENGINE BLEED.
   (3) Disconnect the AIR SOURCE 6.9 BAR (100 PSI) - REGULATED,FILTERED, DRY from the 98L36103002000 TEST SET - ENGINE BLEED.
   (4) Disconnect the 98L36103002000 TEST SET - ENGINE BLEED from the 98D36109004000 ADAPTORS KIT - BLEED.
   (5) Disconnect the 98D36109004000 ADAPTORS KIT - BLEED from the test port of the OPV.
   (6) Install the blanking plug on the test port of the OPV.
   (7) TORQUE the blanking plug to between 0.75 and 0.65 m.daN (66.37 and 57.52 lbf.in ) T.
   (8) Installation of the lockwire:
WARNING: USE PROTECTIVE 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) Safety the blanking plug with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
Subtask 36-11-53-410-074-A ** ON A/C NOT FOR ALL Subtask 36-11-53-440-062-A ** ON A/C NOT FOR ALL
C. Reactivation of the Thrust Reverser System
   (1) Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-440-805).
Subtask 36-11-53-410-080-A ** ON A/C NOT FOR ALL
D. Close Access
   (1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
     (a) FOR [1000EM1] (ENGINE-1)
437AL and 438AR.
     (b) FOR [1000EM2] (ENGINE-2)
447AL and 448AR.
   (2) On FLAPS panel 114VU:
     (a) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION from the flap/slat control lever (Ref. AMM TASK 27-00-00-080-002).
   (3) Remove the WARNING NOTICE(S).
   (4) Remove the access platform(s).
Subtask 36-11-53-862-062-A ** ON A/C NOT FOR ALL
E. De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.04.01 01:13:27 UTC