W DOC AIRBUS | AMM A320F

Installation of the Additional Center Tank (ACT) Refuel Valve

TASK 28-25-51-400-004-A
Installation of the Additional Center Tank (ACT) Refuel Valve

WARNING: MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING NOTICES ARE IN POSITION.
WARNING: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 147
ZONE: 148
ZONE: 734
FIN: 41QU ** 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
AR
ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific
1
ROD - NON METALLIC
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 0.80 and 0.70 m.daN (70.80 and 61.95 lbf.in ) T
No specific
Torque wrench: range to between 0.9 and 0.75 m.daN (79.65 and 66.37 lbf.in ) T
No specific
Torque wrench: range to between 3.22 and 2.69 m.daN (23.75 and 19.84 lbf.ft ) T
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.01ABA1)
Turbine Fuel-- Kerosene -
(Material No.03FAB1)
Mineral Oil base Grease-- Vaseline or Petrolatum -
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
147
MAIN GEAR WELL AND HYDRAULIC COMPARTMENT
148
MAIN GEAR WELL AND HYDRAULIC COMPARTMENT
734
MAIN DOOR
147AZ
734
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
9
O-RING
AIPC 28-25-51-01-010
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 12-11-28-650-003-A
Pressure Refuel with Automatic Control
TASK 20-28-00-912-802-A
Electrical Bonding - General Maintenance Procedure
TASK 28-00-00-910-001-A
Fuel Safety Procedures
TASK 28-25-00-650-001-A
Pressure Defuel
TASK 28-25-00-869-001-A
Fuel Transfer
TASK 32-12-00-010-001-A
Open the Main Gear Doors for Access
TASK 32-12-00-410-001-A
Close the Main Gear Doors after Access
TASK 57-17-11-000-001-B
Removal of Access Cover 148AZ or/and the ACT-Equipment Support Door
TASK 57-17-11-000-003-A
Removal of the Protective Cover of the ACT-Equipment Support Door
TASK 57-17-11-400-001-B
Installation of Access Cover 148AZ or/and the ACT-Equipment Support-Door
TASK 57-17-11-400-003-A
Installation of the Protective Cover of the ACT-Equipment Support Door
F Refuel Valve 41QU ** ON A/C NOT FOR ALL
F Refuel Valve 41QU ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 28-25-51-941-063-A ** ON A/C NOT FOR ALL
A. Safety Precautions
WARNING: OBEY THE FUEL SAFETY PROCEDURES.
   (1) You must obey the fuel safety procedures when you do work on the fuel system (Ref. AMM TASK 28-00-00-910-001).
   (2) Make sure that the SAFETY BARRIER(S) are in position.
   (3) Make sure that the WARNING NOTICE(S) are in position to tell persons not to operate the MLG doors.
Subtask 28-25-51-860-054-A ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR ARE CLEAR.
   (1) Make sure that the left Main Landing Gear (MLG) door 734 is open (Ref. AMM TASK 32-12-00-010-001).
   (2) Make sure that the 460005835 SLEEVE - GROUND LOCK is installed on the left MLG-door actuating-cylinder.
   (3) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position at zone 148.
   (4) If installed, remove the protective cover from the ACT-equipment support door (Ref. AMM TASK 57-17-11-000-003).
Subtask 28-25-51-860-054-C ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) Make sure that the left Main Landing Gear (MLG) door 734 is open (Ref. AMM TASK 32-12-00-010-001).
   (2) Make sure that the 460005835 SLEEVE - GROUND LOCK is installed on the left MLG-door actuating-cylinder.
   (3) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position at the zone 147.
   (4) Make sure that the access cover 147AZ is removed (Ref. AMM TASK 57-17-11-000-001).
Subtask 28-25-51-865-060-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
121VUFUEL/RFL/DFL/SPLY2QUL24
121VUFUEL/RFL/DFL/XFR/DEFUEL/VALVE1QUL23
** ON A/C NOT FOR ALL
121VUACT1/REFUEL & SPLY33QUL29
121VUACT XFR VALVE MAN CTL30QHN29
121VUACT1/CTL & SPLY9QHP29
121VUACT PUMP SUPPLY25QHQ29
** ON A/C NOT FOR ALL
121VUFUEL/ACT RFL/VLV/SPLY & CTL43QUJ21
121VUFUEL/ACT XFR VLV/MOT266QHJ18
121VUFUEL/ACT XFR VLV/MOT165QHJ17
121VUFUEL/RFL/DFL/SPLY2QUL23
121VUFUEL/RFL/DFL/XFR/DEFUEL/VALVE1QUL22
121VUFUEL/ACT/FUEL PUMP/SPLY25QHQ29
** ON A/C NOT FOR ALL
121VUACT2/REFUEL & SPLY34QUL28
121VUACT2/CTL & SPLY10QHP28
4. Procedure
Subtask 28-25-51-420-057-A ** ON A/C NOT FOR ALL
A. Preparation for Installation
   (1) Clean the component interface and/or the adjacent area with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
   (2) Make sure that the parts retained from the removed component are clean and in the correct condition.
   (3) Do an inspection of the component interfaces and the adjacent area.
   (4) Lubricate the new AIPC 28-25-51-01-010 O-RING (9) and the internal surface of the valve canister with Turbine Fuel-- Kerosene - (Material No.01ABA1) or Mineral Oil base Grease-- Vaseline or Petrolatum - (Material No.03FAB1) .
   (5) Install the O-ring (9) on the refuel valve (2).
Subtask 28-25-51-420-058-A ** ON A/C NOT FOR ALL
B. Installation of the Refuel Valve 41QU
   (1) Install the refuel valve (2) in the valve canister.
   (2) Install the nuts (3).
   (3) Torque the nuts (3) to between 0.80 and 0.70 m.daN (70.80 and 61.95 lbf.in ) T.
   (4) Use the screw (7), the nut (4) and the washers (5) and (8) to attach the bonding strap (1) to the refuel valve (2).
   (5) Remove the blanking cap from the electrical connector (6).
CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.
   (6) Install the electrical connector (6).
   (7) Do a check of the electrical bonding (Ref. AMM TASK 20-28-00-912-802).
Subtask 28-25-51-420-057-C ** ON A/C NOT FOR ALL
C. Preparation for Installation
   (1) Clean the component interface and/or the adjacent area with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
   (2) Make sure that the parts retained from the removed component are clean and in the correct condition.
   (3) Do an inspection of the component interfaces and the adjacent area.
   (4) Lubricate the internal surface of the valve canister with Mineral Oil base Grease-- Vaseline or Petrolatum - (Material No.03FAB1) or Turbine Fuel-- Kerosene - (Material No.01ABA1) .
Subtask 28-25-51-420-058-C ** ON A/C NOT FOR ALL
D. Installation of Refuel Valve 41QU
   (1) Install the refuel valve (2) in the valve canister.
   (2) Install the nuts (3).
   (3) TORQUE the nuts (3) to between 0.9 and 0.75 m.daN (79.65 and 66.37 lbf.in ) T.
   (4) Use the screw (6), the washer (7) and the nut (4) to attach the bonding lead (1) to the refuel valve (2).
   (5) TORQUE the nut (4) to between 3.22 and 2.69 m.daN (23.75 and 19.84 lbf.ft ) T.
   (6) Remove the blanking cap from the electrical connector (5).
CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.
   (7) Connect the electrical connector (5).
   (8) Do a check of the electrical bonding (Ref. AMM TASK 20-28-00-912-802).
Subtask 28-25-51-865-061-A ** ON A/C NOT FOR ALL
E. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUFUEL/RFL/DFL/SPLY2QUL24
121VUFUEL/RFL/DFL/XFR/DEFUEL/VALVE1QUL23
** ON A/C NOT FOR ALL
121VUACT1/REFUEL & SPLY33QUL29
121VUACT XFR VALVE MAN CTL30QHN29
121VUACT1/CTL & SPLY9QHP29
121VUACT PUMP SUPPLY25QHQ29
** ON A/C NOT FOR ALL
121VUFUEL/ACT RFL/VLV/SPLY & CTL43QUJ21
121VUFUEL/ACT XFR VLV/MOT266QHJ18
121VUFUEL/ACT XFR VLV/MOT165QHJ17
121VUFUEL/RFL/DFL/SPLY2QUL23
121VUFUEL/RFL/DFL/XFR/DEFUEL/VALVE1QUL22
121VUFUEL/ACT/FUEL PUMP/SPLY25QHQ29
** ON A/C NOT FOR ALL
121VUACT2/REFUEL & SPLY34QUL28
121VUACT2/CTL & SPLY10QHP28
Subtask 28-25-51-710-054-A ** ON A/C NOT FOR ALL
F. Test
   (1) If the ACT is installed:
     (a) Refuel the ACT (Ref. AMM TASK 12-11-28-650-003).
     (b) Make sure there are no leaks from the refuel valve (2).
   (2) If the ACT is not installed:
     (a) Make sure that this(these) circuit breaker(s) is(are) closed:
  • 9QH
  • 25QH
  • 30QH
  • 33QU.
     (b) Make sure that the RH wing tank contains a minimum of 2000 kg (4409 lb) of fuel. If necessary, refuel (Ref. AMM TASK 12-11-28-650-003) or transfer the fuel (Ref. AMM TASK 28-25-00-869-001).
     (c) On the refuel/defuel control panel 800VU:
  • Lift the guard and put the MODE SELECT switch in the DEFUEL XFR position. Make sure that the OPEN light comes on.
     (d) On the panel 40VU, push (in) the R TK PUMP 1 P/BSW. Make sure that the P/BSW OFF light goes off.
     (e) Put the ROD - NON METALLIC through the ACT-equipment door cover and push and hold the manual plunger on the refuel valve (2).
     (f) On the panel 40VU, set the ACT AUTO P/BSW 24QH to the FWD position.
NOTE: The FWD light will not illuminate.
     (g) In the MLG bay, make sure that the:
  • ACT Pump 1QH is in operation
  • Indicator on the ACT transfer-valve actuator 165QM is in the open position.
     (h) On the lower ECAM DU, make sure that the:
  • Fuel quantity in the RH wing tank decreases
  • Fuel quantity in the center tank increases.
     (i) Let the fuel transfer for 5 minutes.
     (j) Make sure that there are no leaks from the refuel valve (2).
     (k) On the panel 40VU, set the ACT AUTO P/BSW 24QH to the OFF position.
     (l) Release the manual plunger on the refuel valve (2).
     (m) Remove the ROD - NON METALLIC from the ACT-equipment door cover.
     (n) On the refuel/defuel control panel 800VU:
  • Put the MODE SELECT switch to the OFF and guarded position. Make sure that the OPEN light goes off.
     (o) On the panel 40VU, release (out) the R TK PUMP 1 P/BSW. Make sure that the P/BSW OFF light comes on.
     (p) Put the aircraft back to its initial configuration.
Subtask 28-25-51-710-054-E ** ON A/C NOT FOR ALL
F. Test(s)
   (1) If the ACT(s) is (are) installed:
     (a) Refuel the ACT(s) (Ref. AMM TASK 12-11-28-650-003).
     (b) Make sure there are no leaks in the refuel valve (2).
   (2) If the ACT(s) is (are) not installed:
     (a) Make sure that this(these) circuit breaker(s) is(are) closed:
  • 9QH
  • 30QH
  • 60QH
  • 70QH
  • 33QU.
     (b) On ACT control-panel 28VU, make sure that ALL ACT OVFL ISOL pushbutton-switch 42QH is released (out).
     (c) Make sure that the right wing tank contains a minimum of 2000 kg (4409 lb) of fuel. If necessary, refuel (Ref. AMM TASK 12-11-28-650-003) or transfer the fuel (Ref. AMM TASK 28-25-00-869-001).
     (d) On refuel/defuel control-panel 800VU:
  • Lift the guard and put the MODE SELECT switch in the DEFUEL XFR position. Make sure that the OPEN light comes on.
     (e) On HYD/FUEL panel 40VU, push (in) R TK PUMP 1 pushbutton switch. Make sure that the R TK PUMP 1 pushbutton switch OFF light goes off.
     (f) Put the ROD - NON METALLIC through the ACT equipment door-cover. Push and hold the manual plunger on the refuel valve (2).
     (g) On HYD/FUEL panel 40VU, set ACT AUTO pushbutton-switch 24QH to the FWD position.
NOTE: The FWD light will not come on.
     (h) In the MLG bay, make sure that:
  • ACT pump 1QH is in operation.
  • The indicator on ACT transfer-valve-actuator 6QH is in the open position.
     (i) On the lower ECAM display unit, make sure that:
  • Fuel quantity in the right wing tank decreases
  • Fuel quantity in the center tank increases.
     (j) Let the fuel transfer for 5 minutes.
     (k) Make sure that there are no leaks in the refuel valve (2).
     (l) On HYD/FUEL panel 40VU, set ACT AUTO pushbutton-switch 24QH to the OFF position.
     (m) Release the manual plunger of the ACT refuel valve (2).
     (n) Remove the ROD - NON METALLIC from the ACT equipment-door cover.
     (o) Make sure that the indicator on the ACT refuel valve (2) is in the closed position.
     (p) Open, safety and tag this(these) circuit breaker(s):
  • 60QH
  • 70QH.
     (q) On refuel/defuel control-panel 800VU:
  • Put the MODE SELECT switch to the OFF and guarded position. Make sure that the OPEN light goes off.
     (r) On HYD/FUEL panel 40VU, release (out) R TK PUMP 1 pushbutton switch. Make sure that the pushbutton switch OFF light comes on.
     (s) Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
  • 60QH
  • 70QH.
     (t) Put the aircraft back to its initial configuration.
5. Close-up
Subtask 28-25-51-650-058-A ** ON A/C NOT FOR ALL
A. Fuel Configuration
   (1) Refuel, defuel or transfer the fuel as necessary (Ref. AMM TASK 12-11-28-650-003), (Ref. AMM TASK 28-25-00-650-001) or (Ref. AMM TASK 28-25-00-869-001).
Subtask 28-25-51-410-053-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) If removed, install the protective cover of the ACT-equipment support door (Ref. AMM TASK 57-17-11-400-003).
   (3) Remove the access platform(s).
   (4) Remove the 460005835 SLEEVE - GROUND LOCK from the left MLG-door actuating-cylinder.
   (5) Close the left MLG door 734 (Ref. AMM TASK 32-12-00-410-001).
Subtask 28-25-51-410-053-C ** 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) Install the access cover 147AZ (Ref. AMM TASK 57-17-11-400-001).
   (3) Remove the access platform(s).
   (4) Remove the 460005835 SLEEVE - GROUND LOCK from the left MLG-door actuating-cylinder.
   (5) Close the left MLG door 734 (Ref. AMM TASK 32-12-00-410-001).
Subtask 28-25-51-942-056-A ** ON A/C NOT FOR ALL
C. Removal of Equipment
   (1) If used, remove the safety barriers.
   (2) Remove the WARNING NOTICE(S).
   (3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.02 06:17:42 UTC
"WTRUIB" 2025