W DOC AIRBUS | AMM A320F

Installation of the ACT Air Shut-Off Valve Actuator

TASK 28-28-56-400-001-A
Installation of the ACT Air Shut-Off Valve Actuator

WARNING: OBEY THE FUEL SAFETY PROCEDURES.
FIN: 3QH ** ON A/C NOT FOR ALL
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 2M (6 FT)
No specific
1
WARNING NOTICE(S)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.03FAB1)
Mineral Oil base Grease-- Vaseline or Petrolatum -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
151BC
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
5
O-RING
AIPC 28-28-36-01-030
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 24-42-00-861-001-A
Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A
De-energize the Ground Service Network Supplied from the External Power
TASK 25-55-11-000-002-A
Removal of the Ceiling Panels in the Aft Cargo-Compartment - FR47/FR59
TASK 25-55-11-400-002-A
Installation of the Ceiling Panels in the Aft Cargo-Compartment - FR47/FR59
TASK 28-00-00-910-001-A
Fuel Safety Procedures
TASK 28-28-00-710-004-A
Operational Test of the ACT Automatic Transfer System
TASK 52-30-00-860-001-A
Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-002-A
Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
F ACT Air Shut-Off Valve Actuator
3. Job Set-up
Subtask 28-28-56-860-051-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Obey the fuel safety procedures (Ref. AMM TASK 28-00-00-910-001).
   (2) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
   (3) Make sure that a WARNING NOTICE(S) is in position on:
  • the refuel/defuel panel 801VU,
  • the fuel panel 40VU,
    to tell persons not to operate the refuel/defuel system.
Subtask 28-28-56-010-053-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Make sure that the aft cargo-compartment door is open (Ref. AMM TASK 52-30-00-860-001).
   (2) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at the aft cargo-compartment.
   (3) Make sure that the ceiling panel 151BC is removed from the aft cargo-compartment (Ref. AMM TASK 25-55-11-000-002).
Subtask 28-28-56-865-051-A ** ON A/C NOT FOR ALL
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUACT1/REFUEL & SPLY33QUL29
121VUFUEL/HI/LVL/SPLY1QJL25
121VUFUEL/RFL/DFL/SPLY2QUL24
121VUFUEL/RFL/DFL/XFR/DEFUEL/VALVE1QUL23
121VUACT XFR VALVE MAN CTL30QHN29
121VUACT1/CTL & SPLY9QHP29
121VUACT PUMP SUPPLY25QHQ29
4. Procedure
Subtask 28-28-56-420-050-A ** ON A/C NOT FOR ALL
A. Installation of the Actuator of the ACT Air Shut-Off Valve
   (1) Remove the PLUG-BLANKING from each disconnected line end.
   (2) Clean the component interfaces and the adjacent area.
   (3) Do an inspection of the component interfaces and the adjacent area.
   (4) Apply a thin layer of Mineral Oil base Grease-- Vaseline or Petrolatum - (Material No.03FAB1) on the new AIPC 28-28-36-01-030 O-RING (5).
   (5) Put the O-ring (5) in the groove of the air shut-off valve (4).
   (6) Put the actuator (2) in the correct installation position on the air shut-off valve (4).
   (7) Install the V-clamp (3) on the base of the actuator (2) and the air shut-off valve (4).
   (8) Close the V-clamp (3) and tighten the screw (6).
   (9) Remove the CAP-BLANKING from each electrical connector and receptacle.
   (10) Make sure that all the electrical connections are clean and in the correct condition.
   (11) Connect the electrical connector (1) to the receptacle (7).
Subtask 28-28-56-865-052-A ** ON A/C NOT FOR ALL
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUACT1/REFUEL & SPLY33QUL29
121VUFUEL/HI/LVL/SPLY1QJL25
121VUFUEL/RFL/DFL/SPLY2QUL24
121VUFUEL/RFL/DFL/XFR/DEFUEL/VALVE1QUL23
121VUACT XFR VALVE MAN CTL30QHN29
121VUACT1/CTL & SPLY9QHP29
121VUACT PUMP SUPPLY25QHQ29
Subtask 28-28-56-710-050-A ** ON A/C NOT FOR ALL
C. Test
   (1) Do the Operational Test of the ACT Automatic Transfer System (Ref. AMM TASK 28-28-00-710-004).
5. Close-up
Subtask 28-28-56-410-050-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Install the ceiling panel 151BC in the aft cargo-compartment (Ref. AMM TASK 25-55-11-400-002).
   (2) Close the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-002).
Subtask 28-28-56-860-052-A ** ON A/C NOT FOR ALL
B. Put the aircraft back to the serviceable condition.
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Remove the access platform(s).
   (3) Remove the WARNING NOTICE(S).
   (4) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
[Rev.10 from 2021] 2026.04.02 07:03:42 UTC
"WTRUIB" 2025