Section II EQUIPMENT DESCRIPTION AND DATA

TM 55-2835-209-23 Section II EQUIPMENT DESCRIPTION AND DATA 1-8 EQUIPMENT CHARACTERISTICS, CAPA- BILITIES AND FEATURES supplied to combustor assembly. Diffuser directs exhaust gas to turbine wheel to generate rota- CHARACTERISTICS tional power. 2. COMBUSTION CHAMBER: Area where l Supplies shaft power for driving an electrical generator. fuel and compressed air are burned to drive turbine wheel in turbine assembly. l Supplies air for engine start- ing. 3. BLEED AIR MANIFOLD: Connects l Gas turbine engine. CAPABILITIES AND FEATURES bleed air from combustor case to system. 4. OIL SUMP: Part of gearbox as- sembly. l Operational rotor speed at 100% is 58,759 rpm. 5. FUEL CONTROL SYSTEM: Supplies Axial pad output shaft speed is and controls fuel flow to com- 12,000 rpm for generator. bustion chamber. l Axial pad output shaft speed is 6. GEARBOX ASSEMBLY: Driven by 8,190 rpm for starter. turbine assembly. Reduces tur- bine speed to accessory drive 1-9 LOCATION AND DESCRIPTION OF MAJOR COMPONENTS pad (generator) and transmits drive to the accessory drive assembly. 1. TURBINE ASSEMBLY: Air enters 7. IGNITION UNIT: Provides high air inlet. Air is compressed voltage to igniter plug assem- by compressor rotor and bly. 1-3