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THIS IS AN UNCONTROLLED DOCUMENT.
THIS ELECTRONIC DOCUMENT MAY HAVE BEEN SUPERCEDED.
THE MOST CURRENT DOCUMENT INFORMATION IS AVAILABLE
FROM YOUR BELL HELICOPTER TEXTRON REPRESENTATIVE.
PRODUCT DATA
JANUARY 2003
COMPRESSOR MODULE
TURBINE MODULE
•
R U G G E D C O N S T R U C T I O N , C O M -
M O N M O U N T I N G P A D S F O R A L L
M O D E L 2 5 0 S E R I E S E N G I N E S .
•ALL LIP SEALS CHANGED EXTERNALLY.
•ROTATING ACCESSORIES USE COMMON
NUTS.
•BOTH FRONT AND REAR DRIVE.
•EASY ACCESS TO THE ACCESSORIES
FOR QUICK REMOVAL AND
REPLACEMENT.
COMBUSTOR MODULE
•SIMPLE ONE PIECE OUTER
COMBUSTOR, SINGLE COMBUSTOR
LINER.
•SINGLE FUEL NOZZLE.
•SINGLE SPLIT LINE FOR REMOVAL
FROM TURBINE.
•COMPLETE COMBUSTOR SYSTEM
HARDWARE CAN BE INSPECTED BY
REMOVAL OF COMBUSTOR MODULE.
GEARBOX MODULE
•READY FOR OVERHAUL OR REPAIR BY
REMOVING SIX GEARBOX MOUNTING
BOLTS.
•SIMPLE SINGLE STAGE IMPELLER.
•NO VARIABLE GEOMETRY.
•MOUNTED TO THE REAR OF THE
GEARBOX WITH FIVE NUTS.
•FIRST STAGE TURBINE ACCESSIBLE BY
REMOVING THE COMBUSTOR MODULE.
•ALL ACCESSORIES AND SHAFTING
REMAIN IN PLACE.
ENGINE CUTAWAY SCHEMATIC
The two engines are identical, each consisting of four major modules; a compressor
section, an accessory gear box, a turbine section and a combustion section. Some
of the benefits of the modular concept are shown below.
Содержание BELL 430
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