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IntroductionThe EPU-1 is a fit, form and function replacement for the 2C14974 Engine Preservation Kit for the CF6-80C2 engine with an HMU fuel control from Honeywell.
Two versions are available, EPU Rev-1 or "EPU-1".
EPU-1
Cabling Line Drawing
EPU-1 enclosure is most like the original Vendor's EPU shown at left.
Vendor's line drawing of  2C14974 ENGINE PRESERVATION UNIT FOR CF6-80C2 ENGINE

EPU-2

A second version (EPU-2) was contained in a Pelican Case.

The electronic PC Board, internal wiring and cable sets are the same for all versions of the EPU.

All versions are designed for use as a universal engine preservation unit capable of powering Fuel Shut Off Valve Solenoids and Fuel Metering Valve Torque Motors while continuously indicating the state of the Pressurizing Valve switches to facilitate engine preservation procedures.






The EPU-X is designed to work with the following engine types:


CF6-80C MEC

CF6-80C HMU

CFM56-7 HMU

GE90 HMU


Preset positions for:

CFM56-5 HMU

CF34  HMU

CF34-10 HMU




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