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- 1. GASPER AIRCRAFT MAINTENANCE MANUAL EFFECTIVITY:ALL Embraer 190 - SDS 2327 21-23-00 Page 1 of 10 Rev 19 - Aug 04/14 Copyright © by Embraer S.A. All rights reserved – See title page for details.
- 2. Introduction The gasper system receives air from the H-duct and distributes it for ventilation of the passenger cabin, lavatory and galley areas. The figure GASPER - SCHEMATIC DIAGRAM provides further data on the preceding text. AIRCRAFT MAINTENANCE MANUAL EFFECTIVITY:ALL Embraer 190 - SDS 2327 21-23-00 Page 2 of 10 Rev 19 - Aug 04/14 Copyright © by Embraer S.A. All rights reserved – See title page for details.
- 3. COCKPIT PASSENGER CABIN PRESSURIZED AREA UNPRESSURIZED AREA H−DUCT (MIXING MANIFOLD) TO CABIN 40% TO COCKPIT 60% TO CABIN 50% TO CABIN 50% TO GASPERS AIR FLOW FROM LEFT PACK, LEFT RECIRC. FAN, RAM AIR OR GND CART AIR FLOW FROM RIGHT PACK, RIGHT RECIRC. FAN, RAM AIR OR GND CART EM170SDS210001A.DGN GASPER - SCHEMATIC DIAGRAM AIRCRAFT MAINTENANCE MANUAL EFFECTIVITY:ALL Embraer 190 - SDS 2327 21-23-00 Page 3 of 10 Rev 19 - Aug 04/14 Copyright © by Embraer S.A. All rights reserved – See title page for details.
- 4. General Description The gasper ventilation system is supplied by air flowing from the mixing manifold (H-duct) through the gasper distribution ducts. The figure GASPER - COMPONENT LOCATION provides further data on the preceding text. AIRCRAFT MAINTENANCE MANUAL EFFECTIVITY:ALL Embraer 190 - SDS 2327 21-23-00 Page 4 of 10 Rev 19 - Aug 04/14 Copyright © by Embraer S.A. All rights reserved – See title page for details.
- 5. A ZONES 130 140 150 230 240 250 A TO GASPER OUTLET (ON PSU) TO GASPER OUTLET (ON PSU) GASPER DUCTS GASPER DUCTS GASPER DUCTS TO GASPER OUTLET (ON PSU) GASPER DUCTS TO GASPER OUTLET (ON PSU) EM170SDS210078A.DGN GASPER - COMPONENT LOCATION AIRCRAFT MAINTENANCE MANUAL EFFECTIVITY:ALL Embraer 190 - SDS 2327 21-23-00 Page 5 of 10 Rev 19 - Aug 04/14 Copyright © by Embraer S.A. All rights reserved – See title page for details.
- 6. Components GASPER DUCTS The gasper ducts distribute the air uniformly to the gasper outlets. The ducts are made of composite material with low thermal conductivity. They are installed in the sidewall panels (upper ducts) and in the baggage compartment sidewall panels (lower ducts). The figure GASPER - VIEW OF COMPONENTS provides further data on the preceding text. AIRCRAFT MAINTENANCE MANUAL EFFECTIVITY:ALL Embraer 190 - SDS 2327 21-23-00 Page 6 of 10 Rev 19 - Aug 04/14 Copyright © by Embraer S.A. All rights reserved – See title page for details.
- 7. B PSU C B C PSU PANEL GASPER OUTLETS ZONES 130 140 150 230 240 250 A ZONES 130 140 150 230 240 250 A TO GASPER OUTLET (ON PSU) TO GASPER OUTLET (ON PSU) TO GASPER OUTLET (ON PSU) TO GASPER OUTLET (ON PSU) EM170SDS210082A.DGN GASPER - VIEW OF COMPONENTS AIRCRAFT MAINTENANCE MANUAL EFFECTIVITY:ALL Embraer 190 - SDS 2327 21-23-00 Page 7 of 10 Rev 19 - Aug 04/14 Copyright © by Embraer S.A. All rights reserved – See title page for details.
- 8. Operation Airflow from the mixing manifold (H-duct) passes through the distribution ducts and supplies the cabin gasper outlets. The passenger gasper outlets installed in the PSU (Passenger Service Unit) and lavatory are connected to the gasper ducts by means of flexible ducts. The figure GASPER - VIEW OF COMPONENTS provides further data on the preceding text. AIRCRAFT MAINTENANCE MANUAL EFFECTIVITY:ALL Embraer 190 - SDS 2327 21-23-00 Page 8 of 10 Rev 19 - Aug 04/14 Copyright © by Embraer S.A. All rights reserved – See title page for details.
- 9. A ZONES 130 140 150 230 240 250 A TO GASPER OUTLET (ON PSU) TO GASPER OUTLET (ON PSU) GASPER DUCTS GASPER DUCTS GASPER DUCTS TO GASPER OUTLET (ON PSU) GASPER DUCTS TO GASPER OUTLET (ON PSU) EM170SDS210078A.DGN GASPER - VIEW OF COMPONENTS AIRCRAFT MAINTENANCE MANUAL EFFECTIVITY:ALL Embraer 190 - SDS 2327 21-23-00 Page 9 of 10 Rev 19 - Aug 04/14 Copyright © by Embraer S.A. All rights reserved – See title page for details.
- 10. Training Information Points CAUTION: TO PREVENT DAMAGE TO THE AIR CONDITIONING SYSTEM COMPONENTS, APPLY THE ELECTRICAL POWER BEFORE YOU APPLY THE PNEUMATIC POWER AND REMOVE THE PNEUMATIC POWER BEFORE YOU REMOVE THE ELECTRICAL POWER. The gasper ducts are installed in the aircraft with tie-down straps. During removal/installation procedures you must use an appropriate tool to install and tension the tie-down straps that attach the gasper ducts to the adjacent components and structure supports. The ducts are made of composite material. If you do not apply the correct tension to the tie-down straps, damage to the ducts can occur. AIRCRAFT MAINTENANCE MANUAL EFFECTIVITY:ALL Embraer 190 - SDS 2327 21-23-00 Page 10 of 10 Rev 19 - Aug 04/14 Copyright © by Embraer S.A. All rights reserved – See title page for details.