21-52 AIR COOLING SYSTEM

21-52-00 AIR COOLING SYSTEM

PB.001 AIR COOLING SYSTEM - DESCRIPTION AND OPERATION
PB.301 AIR COOLING SYSTEM - SERVICING
- 21-52-00-960-001-A [10]
  Replacement of the Water Injector Nozzle
PB.401 AIR COOLING SYSTEM - DEACTIVATION/REACTIVATION
- 21-52-00-920-002-A [10]
  Discard O-Ring Seals on Hot Air Inlet Ducting, Pack Ducting and Trim Air Ducting
PB.501 AIR COOLING SYSTEM - ADJUSTMENT/TEST
- 21-52-00-710-002-A [10]
  Operational Test of the Air Cooling System
- 21-52-00-780-001-A [10]
  Pressure Drop Test of the Reheater
- 21-52-00-790-001-A [10]
  Remove Condenser for in Shop Leak Check
PB.601 AIR COOLING SYSTEM - INSPECTION/CHECK
- 21-52-00-210-801-A [10]
  Visual Inspection of the Seal of the Plenum Chamber for Disbond
- 21-52-00-200-001-A [10]
  Detailed Inspection of Interior and Exterior of Plenum Chamber (10HM5 AND 11HM5) for Signs of Delamination
- 21-52-00-200-002-A [10]
  Detailed Visual Inspection of the Pipe Assemblies between the Heat Exchanger Unit, the Bypass Valve, the Anti-Ice Valve (if installed) and the Air Cycle Machine
- 21-52-00-200-003-A [10]
  Detailed Visual Inspection of the Anti-Ice Valve Sense-Lines
- 21-52-00-200-010-A [10]
  Hot-Air Leak-Check in the Air Conditioning Bay
- 21-52-00-200-011-A [10]
  General Visual Inspection of the Bellows between the Pack Outlet and the Mixer Unit
- 21-52-00-200-012-A [10]
  General Visual Inspection of Water Injector Nozzles for Erosion
- 21-52-00-200-013-A [10]
  Detailed Inspection of the Pack Downstream Check-Valve Flappers
- 21-52-00-200-807-A [10]
  General Visual Inspection of the Compressor Tubes and Duct for Signs of Delamination
PB.701 AIR COOLING SYSTEM - CLEANING/PAINTING
- 21-52-00-100-001-A [10]
  Remove Primary and Main Heat Exchangers for In Shop Cleaning
- 21-52-00-100-002-A [10]
  Remove Reheater for In Shop Cleaning
- 21-52-00-100-003-A [10]
  Cleaning of the Air Conditioning Pack-Condenser
PB.801 AIR COOLING SYSTEM - REPAIRS
- 21-52-00-300-001-A [10]
  Attachment Components - Repair/Replacement

21-52-16 EXTRACTOR - WATER

PB.401 EXTRACTOR - WATER - REMOVAL/INSTALLATION
- 21-52-16-000-001-A [10]
  Removal of the Water Extractor
- 21-52-16-400-001-A [10]
  Installation of the Water Extractor
PB.601 EXTRACTOR - WATER - INSPECTION/CHECK
- 21-52-16-200-001-A [10]
  Attachment Components (In-Service Wear Limits) - Water Extractor

21-52-21 MACHINE - AIR CYCLE

PB.401 MACHINE - AIR CYCLE - REMOVAL/INSTALLATION
- 21-52-21-000-001-A [10]
  Removal of the Air Cycle Machine
- 21-52-21-400-001-A [10]
  Installation of the Air Cycle Machine
- 21-52-21-000-002-A [10]
  Removal of the Compressor Inlet Gasket
- 21-52-21-400-002-A [10]
  Installation of the Compressor Inlet Gasket
- 21-52-21-000-802-A [10]
  Removal of the Compressor Tubes and Duct
- 21-52-21-400-802-A [10]
  Installation of the Compressor Tubes and Duct
PB.601 MACHINE - AIR CYCLE - INSPECTION/CHECK
- 21-52-21-200-001-A [10]
  Attachment Components (In-Service Wear Limits) - Air Cycle Machine

21-52-22 PLENUM CHAMBER

PB.401 PLENUM CHAMBER - REMOVAL/INSTALLATION
- 21-52-22-000-001-A [10]
  Removal of the Fan Plenum Chamber
- 21-52-22-400-001-A [10]
  Installation of the Fan Plenum Chamber

21-52-23 PIPE ASSY

PB.401 PIPE ASSY - REMOVAL/INSTALLATION
- 21-52-23-000-001-A [10]
  Removal of the Pipe Assembly between the Main Heat Exchanger and the Air Cycle Machine
- 21-52-23-400-001-A [10]
  Installation of the Pipe Assembly between the Main Heat Exchanger and the Air Cycle Machine
- 21-52-23-000-002-A [10]
  Removal of the Pipe Assembly between the Anti-Ice Valve (if installed), the Bypass Valve and the Air Cycle Machine
- 21-52-23-400-002-A [10]
  Installation of the Pipe Assembly between the Anti-Ice Valve (if installed), the Bypass Valve and the Air Cycle Machine
- 21-52-23-000-003-A [10]
  Removal of the Pipe Assembly between the Anti-Ice Valve (if installed) and the Bypass Air Duct of the Primary Heat Exchanger
- 21-52-23-400-003-A [10]
  Installation of the Pipe Assembly between the Anti-Ice Valve (if installed) and the Bypass Air Duct Duct of the Primary Heat Exchanger

21-52-24 HEAT EXCHANGER UNIT

PB.401 HEAT EXCHANGER UNIT - REMOVAL/INSTALLATION
- 21-52-24-000-001-A [10]
  Removal of the Heat Exchanger Unit (from the Aircraft)
- 21-52-24-000-001-A-01 [10]
  Removal of the Heat Exchanger Unit (From the Air Conditioning Pack)
- 21-52-24-400-001-A [10]
  Installation of the Heat Exchanger Unit (into the Aircraft)
- 21-52-24-400-001-A-01 [10]
  Installation of the Heat Exchanger Unit (Into the Air Conditioning Pack)
PB.601 HEAT EXCHANGER UNIT - INSPECTION/CHECK
- 21-52-24-200-001-A [10]
  Attachment Components (In-Service Wear Limits) - Heat Exchanger

21-52-25 HEAT EXCHANGER - PRIMARY

PB.401 HEAT EXCHANGER - PRIMARY - REMOVAL/INSTALLATION
- 21-52-25-000-001-A [10]
  Removal of the Primary Heat Exchanger
- 21-52-25-400-001-A [10]
  Installation of the Primary Heat Exchanger

21-52-26 HEAT EXCHANGER - MAIN

PB.401 HEAT EXCHANGER - MAIN - REMOVAL/INSTALLATION
- 21-52-26-000-001-A [10]
  Removal of the Main Heat Exchanger
- 21-52-26-400-001-A [10]
  Installation of the Main Heat Exchanger

21-52-31 REHEATER

PB.401 REHEATER - REMOVAL/INSTALLATION
- 21-52-31-000-001-A [10]
  Removal of the Reheater
- 21-52-31-400-001-A [10]
  Installation of the Reheater
PB.601 REHEATER - INSPECTION/CHECK
- 21-52-31-200-001-A [10]
  Attachment Components (In-Service Wear Limits) - Reheater

21-52-32 CONDENSER

PB.401 CONDENSER - REMOVAL/INSTALLATION
- 21-52-32-000-001-A [10]
  Removal of the Condenser
- 21-52-32-400-001-A [10]
  Installation of the Condenser
- 21-52-32-960-801-A [10]
  Replacement of the Hose
PB.601 CONDENSER - INSPECTION/CHECK
- 21-52-32-200-001-A [10]
  Attachment Components (In-Service Wear Limits) - Condensor

21-52-41 PACK - AIR CONDITIONING

PB.401 PACK - AIR CONDITIONING - REMOVAL/INSTALLATION
- 21-52-41-000-001-A [10]
  Removal of the Air Conditioning Pack
- 21-52-41-400-001-A [10]
  Installation of the Air Conditioning Pack
PB.601 PACK - AIR CONDITIONING - INSPECTION/CHECK
- 21-52-41-200-001-A [10]
  Attachment Components (In-Service Wear Limits) - Air Conditioning Pack

21-52-42 INJECTOR - WATER

PB.401 INJECTOR - WATER - REMOVAL/INSTALLATION
- 21-52-42-000-001-A [10]
  Removal of the Water Injector
- 21-52-42-400-001-A [10]
  Installation of the Water Injector

21-52-43 CHECK VALVE - PACK DOWNSTREAM

PB.401 CHECK VALVE - PACK DOWNSTREAM - REMOVAL/INSTALLATION
- 21-52-43-000-001-A [10]
  Removal of the Pack Downstream Check-Valves
- 21-52-43-400-001-A [10]
  Installation of the Pack Downstream Check-Valves
PB.601 CHECK VALVE - PACK DOWNSTREAM - INSPECTION/CHECK
- 21-52-43-210-001-A [10]
  Detailed Inspection of Pack Air Check Valves Flappers for Condition and Operation