21-51 FLOW CONTROL AND INDICATING

21-51-00 FLOW CONTROL AND INDICATING

PB.001 FLOW CONTROL AND INDICATING - DESCRIPTION AND OPERATION
PB.401 FLOW CONTROL AND INDICATING - DEACTIVATION/REACTIVATION
- 21-51-00-040-001-A [10]
  Deactivation of the Pack Flow-Control Valve
- 21-51-00-440-001-A [10]
  Reactivation of the Pack Flow-Control Valve
- 21-51-00-040-002-A [10]
  Deactivation of the Air Conditioning Pack
- 21-51-00-440-002-A [10]
  Reactivation of the Air Conditioning Pack
PB.501 FLOW CONTROL AND INDICATING - ADJUSTMENT/TEST
- 21-51-00-710-002-A [10]
  Operational Test of the Flow Control and Indicating System
- 21-51-00-710-003-A [10]
  Operational Test of the Flow Control Valves Closing
PB.601 FLOW CONTROL AND INDICATING - INSPECTION/CHECK
- 21-51-00-200-001-A [10]
  Delta P Sense Lines Torque Check and Inspection
PB.801 FLOW CONTROL AND INDICATING - REPAIRS
- 21-51-00-300-001-A [10]
  Attachment Components - Repair/Replacement

PB.401 SENSOR - PRESSURE - REMOVAL/INSTALLATION
- 21-51-11-000-001-A [10]
  Removal of the Differential Pressure Sensor
- 21-51-11-400-001-A [10]
  Installation of the Differential Pressure Sensor

PB.401 SENSOR - PACK INLET PRESSURE - REMOVAL/INSTALLATION
- 21-51-13-000-001-A [10]
  Removal of the Pack-Inlet Pressure Sensor
- 21-51-13-400-001-A [10]
  Installation of the Pack-Inlet Pressure Sensor

PB.401 FILTER - OZONE - REMOVAL/INSTALLATION
- 21-51-41-000-001-A [10]
  Removal of the Ozone Filter
- 21-51-41-400-001-A [10]
  Installation of the Ozone Filter
- 21-51-41-920-001-A [10]
  Remove Ozone Filter (Converter) for in Shop Functional Check
PB.601 FILTER - OZONE - INSPECTION/CHECK
- 21-51-41-200-001-A [10]
  Attachment Components (In-Service Wear Limits) - Ozone Filter

PB.301 VALVE - PACK FLOW CONTROL - SERVICING
- 21-51-51-600-001-A [10]
  Scheduled Replacement of the Trailing-Edge Probe Filter of the Pack Flow-Control Valve
PB.401 VALVE - PACK FLOW CONTROL - REMOVAL/INSTALLATION
- 21-51-51-000-001-A [10]
  Removal of the Pack Flow-Control Valve/ Pack Flow-Control Unit
- 21-51-51-400-001-A [10]
  Installation of the Pack Flow-Control Valve/Pack Flow-Control Unit
- 21-51-51-000-002-B [9]
  Removal of the Air Duct upstream of the Flow Control Unit
- 21-51-51-400-002-B [9]
  Installation of the Air Duct upstream of the Flow Control Unit
PB.601 VALVE - PACK FLOW CONTROL - INSPECTION/CHECK
- 21-51-51-200-001-A [10]
  Attachment Components (In-Service Wear Limits) - Flow Control Valve (Unit)
- 21-51-51-200-002-A [10]
  Attachment Components (In-Service Wear Limits) - Air Duct

PB.401 ACTUATOR - MIXER FLAP - REMOVAL/INSTALLATION
- 21-51-52-000-001-A [10]
  Removal of the Mixer Flap Actuator
- 21-51-52-400-001-A [10]
  Installation of the Mixer Flap Actuator