yellowduckduo(at)gmail.co
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 Posted: Sat Jun 16, 2018 3:14 pm Post subject: Z19 first try and smoke/wire melted I did a mistake |
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It might not be as bad as you think.
If a visual inspection doesn't find a problem, I would pull all the
fuses and look for what is shorted with a ohmeter or a low current
source such as a small light bulb in series with the battery.
Ken
On 16/06/2018 6:03 PM, Achille wrote:
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Good day,
After some months wiring my plane with Z19, long months, today was the day to set the master switch in ON... [Wink]
And I did a mistake... THE mistake. (The Ridiculouse mistake !!!)
On the wire to connect to my battery, one have a red cap, the other for the moment not cut. (only things that I have to do to finish completly) Weekend finishing I would like to know after months if it works.... before the week.
I set a pair of jumper cable on the aircraft battery let on the ground i connected it to the wire into the plane. (When I wire the battery cable, the red cap was... the only one adaptable to my terminal...) It was the ground cable !!! [Rolling Eyes]
So yes, I did the ridiculouse mistake. And after so much time to wire the plane to have it perfectly i do this kind of ridiculouse mistake.
Then... I set master switch ON. and I see a light... it was not a light it was a wire on the battery relay that it was on fire, melting completly his insulation.
my contactor :
http://www.bandc.aero/continuousdutycontactor.aspx
my master relay switch :
http://www.bandc.aero/toggleswitch-doublepole.aspx
After that I investiguate quickly, and I find that I set the polarity on the wrong way. I set it in the good one.
Same result ! Wire coming red without no more insulation.
My first question is :
- my IFF/Radio/electronics ignitions and all the electronics parts are good to the bin ? (I have a Trig S mode... new electronics Ignitions) wire like the Z19 with a diode and without avionics switch like the Z19.
- Why I have in the bad polarity, but also in the good this wire that is comming hot and red ?
- I spoke about the electronics instruments, but the others wires could be damage as the wire spoke above ?
If you have some advise for the next step for me... I will appreciate [Rolling Eyes]
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=480937#480937
Attachments:
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