From: jeffrey E. <jeevacation@gmail.com>
Sent: Saturda , A ril 9, 2016 2:13 PM
To: Ivjet;
The precooler fan air modulating valve (installed in the ergine pylon) controls fan air airflow to the precooler in order to
maintain a nominal 40=° F (204° C) bleed air temperature. Precooler outlet air temperature is continuously monitored by
a precooler outlet temperature sensor and a precooler temperature control anticipator sensor. Outputs from these
sensors are transmitted to the precooler temperature controller. The controller, in turn, will change the output voltage
to the servo air pressu=e regulator and torque motor. The servo air pressure regulator and torque motor then changes
the electrical signal to a filtered pneumatic signal, positioning the precooler fan air modulating valve accordingly
=C2 please note
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disclosure or copying of this communication or any part thereof =s strictly prohibited and may be unlawful. If you have
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