W DOC AIRBUS | AMM A320F

Installation of the Transfer Valve

TASK 28-15-41-400-001-A
Installation of the Transfer Valve

WARNING: THIS PROCEDURE USES A FUEL SYSTEM ITEM THAT IS IN A CATEGORY KNOWN AS A CRITICAL DESIGN CONFIGURATION CONTROL LIMITATION (CDCCL). CDCCL IDENTIFIES AN ITEM THAT CAN BE THE SOURCE OF A POSSIBLE FUEL TANK IGNITION. YOU MUST KEEP ALL CDCCL ITEMS IN THE APPROVED CONFIGURATION. DAMAGE, WEAR OR CHANGES TO A CDCCL ITEM CAN CAUSE A POSSIBLE FUEL TANK EXPLOSION.
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.
FIN: 27QM ** ON A/C NOT FOR ALL
FIN: 28QM ** ON A/C NOT FOR ALL
FIN: 29QM ** ON A/C NOT FOR ALL
FIN: 30QM ** 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)
No specific
AR
SAFETY BARRIER(S)
 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 -
FOR [27QM] (VALVE-TRANSFER, L FWD SPAR)
FOR [29QM] (VALVE-TRANSFER, R FWD SPAR)
(Material No.06HAA1)
Coating Sealant-Fuel Tank Brushable -
FOR [28QM] (VALVE-TRANSFER, L REAR SPAR)
FOR [30QM] (VALVE-TRANSFER, R REAR SPAR)
(Material No.06HAA1)
Coating Sealant-Fuel Tank Brushable -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
FOR [27QM] (VALVE-TRANSFER, L FWD SPAR)
FOR [28QM] (VALVE-TRANSFER, L REAR SPAR)
540JB, 540KB
FOR [29QM] (VALVE-TRANSFER, R FWD SPAR)
FOR [30QM] (VALVE-TRANSFER, R REAR SPAR)
640JB, 640KB
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
3
O-RING
AIPC 28-15-05-01-110
4
O-RING
AIPC 28-15-05-01-110
3
O-RING
AIPC 28-15-85-01-110
4
O-RING
AIPC 28-15-85-01-110
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 12-11-28-650-003-A
Pressure Refuel with Automatic Control
TASK 28-10-00-910-001-A
Safety Procedures When You Do Work in a Fuel Tank
TASK 28-10-00-910-002-A
Access to the Fuel Tanks and the Work Areas
TASK 28-15-00-710-002-A
Operational Check of Individual Transfer Valves to Ensure Valve Shaft Rotates Valve to Open Position
TASK 28-25-00-650-001-A
Pressure Defuel
TASK 28-25-00-650-003-A
To Drain Remaining Fuel from the Wing Tanks and the Center Tank
TASK 28-25-00-650-003-A-01
To Drain Remaining Fuel from the Wing Tanks and the Center Tank
TASK 28-25-00-869-001-A
Fuel Transfer
TASK 57-27-11-000-002-A
Removal of the Access Panel
TASK 57-27-11-400-002-A
Installation of the Access Panel
F Transfer Valve
FOR [27QM] (VALVE-TRANSFER, L FWD SPAR)
FOR [29QM] (VALVE-TRANSFER, R FWD SPAR)
TASK 20-28-00-912-802-A
Electrical Bonding - General Maintenance Procedure
FOR [28QM] (VALVE-TRANSFER, L REAR SPAR)
FOR [30QM] (VALVE-TRANSFER, R REAR SPAR)
TASK 20-28-00-912-802-A
Electrical Bonding - General Maintenance Procedure
3. Job Set-up
Subtask 28-15-41-941-052-A ** ON A/C NOT FOR ALL
A. Safety Precautions
   (1) You must obey the fuel safety procedures (Ref. AMM TASK 28-10-00-910-001) when you do work in a fuel tank.
   (2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
Subtask 28-15-41-865-051-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFUEL/XFR VALVE1/WING/R2QPA11
49VUFUEL/XFR VALVE1/WING/L1QPA10
121VUFUEL/XFR VALVE2/WING/R4QPM23
121VUFUEL/XFR VALVE2/WING/L3QPM22
Subtask 28-15-41-860-050-A ** ON A/C NOT FOR ALL
C. Aircraft Maintenance Configuration
   (1) Make sure that the applicable fuel tank is defueled (Ref. AMM TASK 28-25-00-650-001).
   (2) Make sure that the remaining fuel has been drained from the applicable fuel tank (Ref. AMM TASK 28-25-00-650-003).
   (3) Make sure that the ACCESS PLATFORM 3M (10 FT) is below the applicable zone 540 (640).
   (4) Make sure that the applicable access panels are removed (Ref. AMM TASK 28-10-00-910-002), (Ref. AMM TASK 57-27-11-000-002):
     (a) FOR [27QM] (VALVE-TRANSFER, L FWD SPAR), [28QM] (VALVE-TRANSFER, L REAR SPAR)
     (b) FOR [29QM] (VALVE-TRANSFER, R FWD SPAR), [30QM] (VALVE-TRANSFER, R REAR SPAR)
4. Procedure
Subtask 28-15-41-420-052-A ** ON A/C NOT FOR ALL
A. Preparation for Installation
   (1) Clean the component interfaces 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) Clean the component interfaces and the adjacent area.
   (4) Apply Turbine Fuel-- Kerosene - (Material No.01ABA1) or Mineral Oil base Grease-- Vaseline or Petrolatum - (Material No.03FAB1) to the AIPC 28-15-05-01-110 O-RING (3) or AIPC 28-15-85-01-110 O-RING (3) and the AIPC 28-15-05-01-110 O-RING (4) or AIPC 28-15-85-01-110 O-RING (4).
   (5) Install the new O-ring(s) (3) and/or (4) into the transfer valve (5).
   (6) Turn the input shaft of the transfer valve (5), to align it with the transfer valve drive (6).
Subtask 28-15-41-420-050-C ** ON A/C NOT FOR ALL
B. Installation of the Transfer Valve
   (1) FOR [27QM] (VALVE-TRANSFER, L FWD SPAR), [29QM] (VALVE-TRANSFER, R FWD SPAR)
do the steps that follow:
NOTE: You must bond one of the bolts (1) (Ref. AMM TASK 20-28-00-912-802).
     (a) Push the transfer valve (5) into the transfer valve drive (6).
     (b) Install the transfer valve (5) on RIB15 and hold it in position.
     (c) Install the bolts (1).
WARNING: THIS INSTRUCTION IS APPLICABLE TO A CRITICAL DESIGN CONFIGURATION CONTROL LIMITATION (CDCCL) ITEM. CAREFULLY OBEY ALL GIVEN INSTRUCTIONS WHEN YOU DO THIS STEP. IF YOU DO NOT OBEY THESE INSTRUCTIONS, A DANGEROUS CONDITION CAN OCCUR THAT CAN CAUSE A POSSIBLE FUEL TANK EXPLOSION.
       1 Make sure that one of the bolts (1) is correctly bonded (Ref. AMM TASK 20-28-00-912-802).
     (d) Make sure that the splines on the transfer valve (5), are fully engaged with the splines on the transfer valve drive (6).
     (e) Apply Coating Sealant-Fuel Tank Brushable - (Material No.06HAA1) over the ends of the bolts (1).
   (2) FOR [28QM] (VALVE-TRANSFER, L REAR SPAR), [30QM] (VALVE-TRANSFER, R REAR SPAR)
do the steps that follow:
NOTE: You must bond the bracket (2) using the Direct Contact Method (Ref. AMM TASK 20-28-00-912-802).
NOTE: You must bond one of the bolts (1) (Ref. AMM TASK 20-28-00-912-802).
     (a) Push the transfer valve (5) into the transfer valve drive (6).
     (b) Install the transfer valve (5) on RIB15 and hold it in position.
     (c) Put the bracket (2) in position on RIB15.
     (d) Install the bolts (1).
WARNING: THIS INSTRUCTION IS APPLICABLE TO A CRITICAL DESIGN CONFIGURATION CONTROL LIMITATION (CDCCL) ITEM. CAREFULLY OBEY ALL GIVEN INSTRUCTIONS WHEN YOU DO THIS STEP. IF YOU DO NOT OBEY THESE INSTRUCTIONS, A DANGEROUS CONDITION CAN OCCUR THAT CAN CAUSE A POSSIBLE FUEL TANK EXPLOSION.
       1 Make sure that:
     (e) Make sure that the splines on the transfer valve (5), are fully engaged with the splines on the transfer valve drive (6).
     (f) Apply Coating Sealant-Fuel Tank Brushable - (Material No.06HAA1) over the ends of the bolts (1).
Subtask 28-15-41-410-052-A ** ON A/C NOT FOR ALL
C. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Install the applicable access panels (Ref. AMM TASK 28-10-00-910-002), (Ref. AMM TASK 57-27-11-400-002):

     (a) FOR [27QM] (VALVE-TRANSFER, L FWD SPAR), [28QM] (VALVE-TRANSFER, L REAR SPAR)
     (b) FOR [29QM] (VALVE-TRANSFER, R FWD SPAR), [30QM] (VALVE-TRANSFER, R REAR SPAR)
Subtask 28-15-41-865-052-A ** ON A/C NOT FOR ALL
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFUEL/XFR VALVE1/WING/R2QPA11
49VUFUEL/XFR VALVE1/WING/L1QPA10
121VUFUEL/XFR VALVE2/WING/R4QPM23
121VUFUEL/XFR VALVE2/WING/L3QPM22
5. Close-up
Subtask 28-15-41-710-050-A ** ON A/C NOT FOR ALL
A. Operational Test
   (1) Do an operational test of the transfer valve (Ref. AMM TASK 28-15-00-710-002).
Subtask 28-15-41-650-051-A ** ON A/C NOT FOR ALL
B. Fuel Configuration
   (1) Refuel, defuel or transfer 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 28-15-41-942-051-A ** ON A/C NOT FOR ALL
C. Removal of Equipment
   (1) Remove the safety barriers.
   (2) Remove the WARNING NOTICE(S).
   (3) Remove the access platform(s).
   (4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.02 06:17:15 UTC
"WTRUIB" 2025