nuckolls.bob(at)aeroelect
Guest
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 Posted: Thu Aug 05, 2010 2:07 pm Post subject: Talking and wiring... Burnt Dynon Oil Pressure Sender? |
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At 12:16 PM 8/5/2010, you wrote:
| Quote: |
The other day I made the mistake of asking someone to help me mount my
battery and then holding a conversation along the way. We installed the
battery perfectly but it was backwards. When I flipped the master
switch, the batt wire to the master solenoid got fried. Z-13/8.
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Bummer. I've deliberated suggesting that all battery contactors
be fabricated from 4-terminal contactors having the right
combination of diodes installed to prevent such happenings . . .
but this would add complexity to the e-bus alternate feed
architecture too.
| Quote: | When the batt wire burnt, it melted the cover on the oil pressure sender
and presumably shorted it's circuit (I no longer get a reading on the
EFIS). At rest with the engine off, the OP should read zero. It now has
3 red dashes --- in place of the zero. Naturally both wires have been
replaced.
Question: Has anyone had experience with expired oil sender units and is
it possible to short or damage them? The unit I have came with the Dynon
D-180.
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Contact the guys at Dynon and explain what happened. I've
spoken with several folks there at length on various matters.
I'm betting that they'll make you a good deal on a replacement
pressure transducer.
| Quote: | If things start to point to the sender unit, I want to overnight one to
the hangar for tomorrow.
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Hmmmm . . . it's 3 pm there now, suggest you get on the
phone post-haste . . .
Bob . . .
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