COOLING - DESCRIPTION AND OPERATION

** ON A/C NOT FOR ALL

1. General

A. Function

(1) The cooling system has the systems that follow:

(a) Turbine Active Clearance Control (ACC) (Ref. AMM D/O 75-24-00-00).

(b) Turbine Vane and Blade Cooling (TVBC) (Ref. AMM D/O 75-25-00-00).

(c) Engine bearing cooling (Ref. AMM D/O 75-26-00-00).

[Rev.10 from 2021] 2026.04.01 03:12:54 UTC