Low fuel pressurel indicator Rotax 914

by Guillermo Stein in 912 / 914 Technical Questions 13 years ago

Flying at 10,500 feet 20 degrees Celsius in a Diamond HK36TT motorglider powered by a Rotax 914 Turbo, my low fuel indicator started blinking with and without auxiliary pump, engine ran smoothly for another flying hour.
I do not think it has to do with the fuel pumps.
Could it be the fuel with heat and altitude? Or maybe just the indicator?
I appreciate any related comments.

Re: Low fuel pressurel indicator Rotax 914

by Rob Seaton » 13 years ago

Rob Seaton

3 1.32k 251

Check the fuel pressure sensor on the fuel regulator; I had a broken wire on one a couple of years ago. The wire has several layers of heat shrink on it and it was broken at the sensor side.
Rob

HK36TTCfuelreg2.jpg (You do not have access to download this file.)

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Re: Low fuel pressurel indicator Rotax 914

by Guillermo Stein » 13 years ago

Guillermo Stein

4 4 17

:) Problem Solved!! The layers of the wire of the sensor were peeled against the Manifold an with the vibration rthe wire was grounding, it was easily corrected.

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Low fuel pressurel indicator Rotax 914

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