28-28 ADDITIONAL CENTER TANK TRANSFER SYSTEM

28-28-00 ADDITIONAL CENTER TANK TRANSFER SYSTEM

PB.001 ADDITIONAL CENTER TANK TRANSFER SYSTEM - DESCRIPTION AND OPERATION
PB.201 ADDITIONAL CENTER TANK TRANSFER SYSTEM - MAINTENANCE PRACTICES
- 28-28-00-550-001-A [10]
  Preparation for Transportation of the Additional Center Tank(s) as Air Cargo
- 28-28-00-550-002-A [10]
  Additional Center Tank (ACT) Storage / ACT Back Into Service
- 28-28-00-610-001-A [10]
  Preservation of the unused Additional Center Tank (ACT)(s) installed in the Aircraft
- 28-28-00-920-002-A [10]
  Replacement of the Relay 98QH
PB.401 ADDITIONAL CENTER TANK TRANSFER SYSTEM - DEACTIVATION/REACTIVATION
- 28-28-00-040-001-A [10]
  Deactivation of the Fuel Transfer Valve
- 28-28-00-440-001-A [10]
  Reactivation of the Fuel Transfer Valve
- 28-28-00-040-008-A [10]
  Deactivation of the ACT Transfer Valve in the Closed Position
- 28-28-00-440-007-A [10]
  Reactivation of the ACT Transfer Valve
- 28-28-00-040-009-A [10]
  Deactivation of the ACT Transfer Valve in the Closed Position
- 28-28-00-440-009-A [10]
  Reactivation of the ACT Transfer Valve
- 28-28-00-040-010-A [10]
  Deactivation of the ACT Transfer Valve in the Closed Position
- 28-28-00-440-010-A [10]
  Reactivation of the ACT Transfer Valve
- 28-28-00-040-011-A [10]
  Deactivation of the ACT Transfer Valve in the Closed Position
- 28-28-00-440-011-A [10]
  Reactivation of the ACT Transfer Valve
- 28-28-00-040-014-A [10]
  Deactivation of the ACT Transfer Valve in the Closed Position
- 28-28-00-440-014-A [10]
  Reactivation of the ACT Transfer Valve
- 28-28-00-040-015-A [10]
  Deactivation of the ACT Transfer Valve in the Closed Position
- 28-28-00-440-015-A [10]
  Reactivation of the ACT Transfer Valve
- 28-28-00-040-016-A [10]
  Deactivation of the ACT Transfer Valve in the Closed Position
- 28-28-00-440-016-A [10]
  Reactivation of the ACT Transfer Valve
- 28-28-00-040-017-A [10]
  Deactivation of the ACT Transfer Valve in the Closed Position
- 28-28-00-440-017-A [10]
  Reactivation of the ACT Transfer Valve
- 28-28-00-040-018-A [10]
  Deactivation of the ACT Transfer Valve in the Closed Position
- 28-28-00-440-018-A [10]
  Reactivation of the ACT Transfer Valve
- 28-28-00-040-019-A [10]
  Deactivation of the ACT Transfer Valve in the Closed Position
- 28-28-00-440-019-A [10]
  Reactivation of the ACT Transfer Valve
- 28-28-00-040-020-A [10]
  Deactivation of the ACT Transfer Valve in the Closed Position
- 28-28-00-440-020-A [10]
  Reactivation of the ACT Transfer Valve
- 28-28-00-040-003-A [10]
  Deactivation of the Vent Valve in the Open Position
- 28-28-00-440-003-A [10]
  Reactivation of the Vent Valve
- 28-28-00-040-004-A [10]
  Deactivation of the ACT Fuel Inlet Valve
- 28-28-00-440-004-A [10]
  Reactivation of the ACT Fuel Inlet Valve
- 28-28-00-040-005-A [10]
  Deactivation of the FWD ACT's Isolation Valve in the Closed Position
- 28-28-00-440-005-A [10]
  Reactivation of the FWD ACT's Isolation Valve
- 28-28-00-040-007-A [10]
  Deactivation of the Vent Valve in the Closed Position
- 28-28-00-440-006-A [10]
  Reactivation of the Vent Valve
- 28-28-00-040-006-A [10]
  Check of the Integrated Impact Wall for Permissible Damage
- 28-28-00-040-012-A [9]
  Deactivation of the ACT Transfer Valve in the Closed Position
- 28-28-00-440-012-A [9]
  Reactivation of the ACT Transfer Valve
PB.501 ADDITIONAL CENTER TANK TRANSFER SYSTEM - ADJUSTMENT/TEST
- 28-28-00-710-001-A [10]
  Operational Check of the ACT Manual Transfer System
- 28-28-00-710-002-A [10]
  Operational Check of Motor 1 of Transfer Valve
- 28-28-00-710-003-A [10]
  Operational Test of the ACT Fuel Transfer-Pump Pressure Switch
- 28-28-00-710-004-A [10]
  Operational Test of the ACT Automatic Transfer System
- 28-28-00-710-005-A [10]
  Operational Test of the Additional Center Tank (ACT) Automatic Transfer System
- 28-28-00-710-006-A [10]
  Operational Test of the ACT Vent Valve Actuator
- 28-28-00-710-008-A [10]
  Operational Check of the ACT Manual Transfer System (AFT Cargo-Compartment)
- 28-28-00-710-010-A [10]
  Operational Check of Forward ACT Vent Isolation Valve
- 28-28-00-710-012-A [10]
  Operational Check of Forward ACT Isolation Valve
- 28-28-00-710-013-A [10]
  Operational Check of the Pressure Holding Valves
- 28-28-00-710-015-A [10]
  Remove and Carry out Operational Check of Vent Line Check Valves
- 28-28-00-710-016-A [10]
  Operational Test of the ACT Pressure Holding Valves
- 28-28-00-720-001-A [10]
  Functional Check of ACT Pressure Reducing Valve
- 28-28-00-720-002-A [10]
  Operational Check of ACT(S) Inward Relief Valve
- 28-28-00-720-004-A [10]
  Functional Test of the ACT Inlet Valves
- 28-28-00-720-005-A [10]
  Functional Test of the Check Valves of the ACT
- 28-28-00-720-006-A [10]
  Functional Test of the Check Valves of the ACT
- 28-28-00-790-001-A [10]
  Leak Test of the Additional Center Tank (ACT) Fuel/Vent System and Pressurization System
- 28-28-00-790-803-A [10]
  Functional Check for Leakage of the ACT Pressurization System
- 28-28-00-790-802-A [10]
  Functional Check for Leakage of the Vent/Transfer Inner Pipes and the ACT(s) Bladder
- 28-28-00-790-804-A [10]
  Functional Check for Leakage of the Vent/Transfer Pipe Shrouds, the ACT Tank Casing and the ACT Drain System
- 28-28-00-790-002-A [10]
  Leak Test of the Inner Manhole Cover
- 28-28-00-790-003-A [10]
  Leak Test of the Outer Manhole Cover
- 28-28-00-790-004-A [10]
  Functional Check of the Vent/Transfer Pipe Shrouds and ACT Drain Pipe Connectors
- 28-28-00-790-005-A [10]
  Leak Test of ACT Vent/Transfer Pipe-Shrouds and Cavity Drain Lines
- 28-28-00-860-802-A [10]
  ACT Vent Valve - Simulation Fully Open with Vent Valve Deactivated
- 28-28-00-740-801-A [10]
  Read CFDIU Display for Faults
- 28-28-00-710-802-A [10]
  Operational Check of ACT FWD (4.1) Overpressure Protector
- 28-28-00-710-803-A [10]
  Operational Check of ACT Transfer Pump GFI (SFAR 88)
PB.601 ADDITIONAL CENTER TANK TRANSFER SYSTEM - INSPECTION/CHECK
- 28-28-00-200-002-A [10]
  General Visual Inspection of the Integrated Impact Wall(s) and Pipework Protection Cover (If Installed)
- 28-28-00-200-003-A [10]
  Operational Check of the Leak Monitor for the Indication of Fuel Leakage
- 28-28-00-200-004-A [10]
  Detailed Inspection of Additional Center Tank (ACT), External Surface
- 28-28-00-200-005-A [10]
  Detailed Inspection of Additional Center Tank (ACT), Internal Structure
- 28-28-00-200-008-A [10]
  Special Detailed Inspection (HFEC) of Additional Center Tank (ACT), External Surface, in Area of Tankplate Profiles
- 28-28-00-200-009-B [10]
  General Visual Inspection of the Forward ACT Isolation-Valve for the Closed Position
- 28-28-00-220-001-A [10]
  Inspection of Additional Center Tank (ACT), External Surface, in Area of Tankplate Profiles

28-28-11 PRESSURE SWITCH - FUEL TRANSFER PUMP, ACT

PB.401 PRESSURE SWITCH - FUEL TRANSFER PUMP, ACT - REMOVAL/INSTALLATION
- 28-28-11-000-001-A [10]
  Removal of the ACT Fuel-Transfer-Pump Pressure-Switch
- 28-28-11-400-001-A [10]
  Installation of the ACT Fuel-Transfer-Pump Pressure-Switch

28-28-31 MOUNTING PLATE - FUEL TRANSFER PUMP, ACT

PB.401 MOUNTING PLATE - FUEL TRANSFER PUMP, ACT - REMOVAL/INSTALLATION
- 28-28-31-000-001-A [10]
  Removal of the ACT Fuel-Transfer-Pump Mounting-Plate
- 28-28-31-400-001-A [10]
  Installation of the ACT Fuel-Transfer-Pump Mounting-Plate

28-28-33 VALVE - FUEL TRANSFER, ACT

PB.401 VALVE - FUEL TRANSFER, ACT - REMOVAL/INSTALLATION
- 28-28-33-000-001-A [10]
  Removal of the ACT Fuel Transfer-Valve
- 28-28-33-400-001-A [10]
  Installation of the ACT Fuel Transfer-Valve

28-28-34 VALVE - FUEL INLET, ACT

PB.401 VALVE - FUEL INLET, ACT - REMOVAL/INSTALLATION
- 28-28-34-000-001-A [10]
  Removal of the ACT Fuel Inlet Valve
- 28-28-34-400-001-A [10]
  Installation of the ACT Fuel Inlet Valve
- 28-28-34-000-003-A [10]
  Removal of the ACT Fuel Inlet-Valve(s)
- 28-28-34-400-003-A [10]
  Installation of the ACT Fuel Inlet-Valve(s)

28-28-35 VALVE - VENT SHUTOFF, ACT

PB.401 VALVE - VENT SHUTOFF, ACT - REMOVAL/INSTALLATION
- 28-28-35-000-001-A [10]
  Removal of the ACT Vent Shut-off Valve
- 28-28-35-400-001-A [10]
  Installation of the ACT Vent Shut-off Valve

28-28-36 VALVE - AIR SHUTOFF, ACT

PB.401 VALVE - AIR SHUTOFF, ACT - REMOVAL/INSTALLATION
- 28-28-36-000-001-A [10]
  Removal of the ACT Air Shut-Off Valve
- 28-28-36-400-001-A [10]
  Installation of the ACT Air Shut-Off Valve
- 28-28-36-000-002-A [10]
  Removal of the ACT Air Shutoff Valve
- 28-28-36-400-002-A [10]
  Installation of the ACT Air Shutoff Valve

28-28-37 CHECK VALVE - AIR INLET, ACT

PB.401 CHECK VALVE - AIR INLET, ACT - REMOVAL/INSTALLATION
- 28-28-37-000-001-A [10]
  Removal of the Air Inlet Check Valve
- 28-28-37-400-001-A [10]
  Installation of the Air Inlet Check Valve
- 28-28-37-000-003-A [10]
  Removal of the Air Inlet Check-Valve
- 28-28-37-400-003-A [10]
  Installation of the Air Inlet Check-Valve

28-28-38 CHECK VALVE - ACT PRESSURIZATION

PB.401 CHECK VALVE - ACT PRESSURIZATION - REMOVAL/INSTALLATION
- 28-28-38-000-001-A [10]
  Removal of the ACT Pressurization Check Valve
- 28-28-38-400-001-A [10]
  Installation of the ACT Pressurization Check Valve
- 28-28-38-000-002-A [10]
  Removal of the ACT Pressurization Check Valve
- 28-28-38-400-002-A [10]
  Installation of the ACT Pressurization Check Valve

28-28-39 AIR FILTER - CABIN AIR INTAKE, ACT PRESSURIZATION

PB.401 AIR FILTER - CABIN AIR INTAKE, ACT PRESSURIZATION - REMOVAL/INSTALLATION
- 28-28-39-000-001-A [10]
  Removal of the Cabin Air Intake Filter-Assembly
- 28-28-39-400-001-A [10]
  Installation of the Cabin Air Intake Filter-Assembly
- 28-28-39-000-002-A [10]
  Removal of the Cabin Air Intake Filter-Assembly
- 28-28-39-400-002-A [10]
  Installation of the Cabin Air Intake Filter-Assembly
- 28-28-39-920-001-A [10]
  Replace ACT Air Inlet Filter

28-28-41 CHECK VALVE - ACT TRANSFER

PB.401 CHECK VALVE - ACT TRANSFER - REMOVAL/INSTALLATION
- 28-28-41-000-001-A [10]
  Removal of the ACT Transfer Check-Valve
- 28-28-41-400-001-A [10]
  Installation of the ACT Transfer Check-Valve

28-28-42 VALVE - PRESSURE REDUCING, ACT

PB.401 VALVE - PRESSURE REDUCING, ACT - REMOVAL/INSTALLATION
- 28-28-42-000-001-A [10]
  Removal of the ACT Pressure Reducing Valve
- 28-28-42-400-001-A [10]
  Installation of the ACT Pressure Reducing Valve
- 28-28-42-000-002-A [10]
  Removal of the ACT Pressure Reducing Valve
- 28-28-42-400-002-A [10]
  Installation of the ACT Pressure Reducing Valve

28-28-43 CHECK VALVE - CABIN AIR INTAKE, ACT

PB.401 CHECK VALVE - CABIN AIR INTAKE, ACT - REMOVAL/INSTALLATION
- 28-28-43-000-001-A [10]
  Removal of the ACT Cabin Air Intake Check Valve
- 28-28-43-400-001-A [10]
  Installation of the ACT Cabin Air Intake Check Valve
- 28-28-43-000-002-A [10]
  Removal of the ACT Cabin Air Intake Check Valve
- 28-28-43-400-002-A [10]
  Installation of the ACT Cabin Air Intake Check Valve

28-28-44 LEAK MONITOR

PB.401 LEAK MONITOR - REMOVAL/INSTALLATION
- 28-28-44-000-001-A [10]
  Removal of the Leak Monitor of the ACT
- 28-28-44-400-001-A [10]
  Installation of the Leak Monitor of the ACT
- 28-28-44-000-002-A [10]
  Removal of the Leak Monitor of the forward ACT
- 28-28-44-400-002-A [10]
  Installation of the Leak Monitor of the forward ACT
- 28-28-44-000-003-A [10]
  Removal of the Leak Monitor of the aft ACT
- 28-28-44-400-003-A [10]
  Installation of the Leak Monitor of the aft ACT

28-28-45 VALVE - REFUEL RESTRICTOR, ACT

PB.401 VALVE - REFUEL RESTRICTOR, ACT - REMOVAL/INSTALLATION
- 28-28-45-000-001-A [10]
  Removal of the ACT Refuel Restrictor Valve
- 28-28-45-400-001-A [10]
  Installation of the ACT Refuel Restrictor Valve
- 28-28-45-000-003-A [10]
  Removal of the ACT Refuel Restrictor-Valve(s)
- 28-28-45-400-003-A [10]
  Installation of the ACT Refuel Restrictor-Valve(s)

28-28-46 VALVE - THERMAL RELIEF, ACT TRANSFER

PB.401 VALVE - THERMAL RELIEF, ACT TRANSFER - REMOVAL/INSTALLATION
- 28-28-46-000-001-A [10]
  Removal of the ACT Transfer-Thermal Relief-Valve
- 28-28-46-400-001-A [10]
  Installation of the ACT Transfer-Thermal Relief-Valve

28-28-48 VALVE - PRESSURE HOLDING, ACT

PB.401 VALVE - PRESSURE HOLDING, ACT - REMOVAL/INSTALLATION
- 28-28-48-000-001-A [10]
  Removal of the ACT Pressure Holding Valve
- 28-28-48-400-001-A [10]
  Installation of the ACT Pressure Holding Valve

28-28-49 VALVE - PRESSURE HOLDING

PB.401 VALVE - PRESSURE HOLDING - REMOVAL/INSTALLATION
- 28-28-49-000-001-A [10]
  Removal of the Pressure Holding Valve
- 28-28-49-400-001-A [10]
  Installation of the Pressure Holding Valve
PB.501 VALVE - PRESSURE HOLDING - ADJUSTMENT/TEST
- 28-28-49-720-001-A [10]
  Leak Test of the Pressure Holding Valve (PHV)(s)

28-28-51 ELEMENT - FUEL TRANSFER PUMP, ACT

PB.401 ELEMENT - FUEL TRANSFER PUMP, ACT - REMOVAL/INSTALLATION
- 28-28-51-000-001-A [10]
  Removal of the ACT Fuel-Transfer Pump-Element
- 28-28-51-400-001-A [10]
  Installation of the ACT Fuel-Transfer Pump-Element

28-28-53 ACTUATOR - TRANSFER VALVE, ACT

PB.401 ACTUATOR - TRANSFER VALVE, ACT - REMOVAL/INSTALLATION
- 28-28-53-000-001-A [10]
  Removal of the ACT Transfer-Valve Actuator
- 28-28-53-400-001-A [10]
  Installation of the ACT Transfer-Valve Actuator

28-28-54 ACTUATOR - FUEL INLET VALVE, ACT

PB.401 ACTUATOR - FUEL INLET VALVE, ACT - REMOVAL/INSTALLATION
- 28-28-54-000-001-A [10]
  Removal of the ACT Fuel Inlet Valve Actuator
- 28-28-54-400-001-A [10]
  Installation of the ACT Fuel Inlet Valve Actuator
- 28-28-54-000-003-A [10]
  Removal of the Additional Center Tank (ACT) Fuel Inlet-Valve-Actuator
- 28-28-54-400-003-A [10]
  Installation of the Additional Center Tank (ACT) Fuel Inlet-Valve-Actuator

28-28-55 ACTUATOR - VENT SHUTOFF VALVE, ACT

PB.401 ACTUATOR - VENT SHUTOFF VALVE, ACT - REMOVAL/INSTALLATION
- 28-28-55-000-001-A [10]
  Removal of the ACT Vent Shut-off Valve Actuator
- 28-28-55-400-001-A [10]
  Installation of the ACT Vent Shut-off Valve Actuator

28-28-56 ACTUATOR - AIR SHUTOFF VALVE, ACT

PB.401 ACTUATOR - AIR SHUTOFF VALVE, ACT - REMOVAL/INSTALLATION
- 28-28-56-000-001-A [10]
  Removal of the ACT Air Shut-Off Valve Actuator
- 28-28-56-400-001-A [10]
  Installation of the ACT Air Shut-Off Valve Actuator
- 28-28-56-000-002-A [10]
  Removal of the ACT Air Shutoff Valve Actuator
- 28-28-56-400-002-A [10]
  Installation of the ACT Air Shutoff Valve Actuator

28-28-61 VALVE - ISOLATION, ACT

PB.401 VALVE - ISOLATION, ACT - REMOVAL/INSTALLATION
- 28-28-61-000-001-A [10]
  Removal of the ACT Isolation Valve
- 28-28-61-400-001-A [10]
  Installation of the ACT Isolation Valve

28-28-62 VALVE - VENT, ACT

PB.401 VALVE - VENT, ACT - REMOVAL/INSTALLATION
- 28-28-62-000-001-A [10]
  Removal of the ACT Vent Valve
- 28-28-62-400-001-A [10]
  Installation of the ACT Vent Valve

28-28-63 CHECK VALVE - ACT VENT

PB.401 CHECK VALVE - ACT VENT - REMOVAL/INSTALLATION
- 28-28-63-000-001-A [10]
  Removal of the AFT ACT Vent Check-Valve
- 28-28-63-400-001-A [10]
  Installation of the AFT ACT Vent Check-Valve
- 28-28-63-000-002-A [10]
  Removal of the FWD ACT Vent Check-Valve
- 28-28-63-400-002-A [10]
  Installation of the FWD ACT Vent Check-Valve

28-28-71 ACTUATOR - ISOLATION VALVE, ACT

PB.401 ACTUATOR - ISOLATION VALVE, ACT - REMOVAL/INSTALLATION
- 28-28-71-000-001-A [10]
  Removal of the ACT Isolation-Valve Actuator
- 28-28-71-400-001-A [10]
  Installation of the ACT Isolation-Valve Actuator

28-28-72 ACTUATOR - VENT VALVE, ACT

PB.401 ACTUATOR - VENT VALVE, ACT - REMOVAL/INSTALLATION
- 28-28-72-000-001-A [10]
  Removal of the ACT Vent-Valve Actuator
- 28-28-72-400-001-A [10]
  Installation of the ACT Vent-Valve Actuator