ATA 79 - Oil

10 months 1 week ago #1152 by Mark
ATA 79 - Oil was created by Mark
In bound..... oil pressure indicates high on takeoff roll. (Image..... engine not running, but still indicates high with no pressure.)
We changed the transmitter, which is a just a variable potentiometer.
I wanted to know the total resistance across the coil to see if I could substitute one in to drive the indication up. I was somewhat surprised to find just 20 Ohms across the whole thing.
I didn't have one that low. I did find a 25 Ohm unit which should work fine for troubleshooting the next pressure issue.

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