FlightSafety LEARJET 45 - CHAPTER 9 PNEUMATICS

9-i
CHAPTER 9
PNEUMATICS
CONTENTS
Page
INTRODUCTION ................................................................................................................... 9-1
GENERAL............................................................................................................................... 9-1
DESCRIPTION AND OPERATION ...................................................................................... 9-2
Low-Pressure (LP) Bleed-Air System ............................................................................. 9-2
High-Pressure (HP) Bleed-Air System ............................................................................ 9-2
Auxiliary Power Unit (APU) Bleed-Air System.............................................................. 9-2
BLEED-AIR SYSTEM COMPONENTS ............................................................................... 9-3
Bleed Switches................................................................................................................. 9-3
ECS Controller................................................................................................................. 9-3
ECS Pressure Regulator Shutoff Valves (ECS PRSOV).................................................. 9-4
HP Shutoff Valves (HP SOV) .......................................................................................... 9-4
Pylon Overhear Detection................................................................................................ 9-9
Bleed-Air Duct Overheat Detection................................................................................. 9-9
Tailcone Leak Detection .................................................................................................. 9-9
Emergency Pressurization.............................................................................................. 9-11
Servo Air System ........................................................................................................... 9-12
Pneumatic System Indications and Displays ................................................................. 9-12
Pack Control Valve ........................................................................................................ 9-12
REVIEW QUESTIONS ........................................................................................................ 9-14
FOR TRAINING PURPOSES ONLY
LEARJET 45 PILOT TRAINING MANUAL
FlightSafety
international