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Fuel Totalizer Circuit

 
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sturs



Joined: 17 Jan 2018
Posts: 3

PostPosted: Mon Jan 22, 2018 2:12 am    Post subject: Fuel Totalizer Circuit Reply with quote

A friend of mine is having an issue with the fuel totalizer on his aircraft. Basically it doesn't work (is dead) and seems that it may have suffered from a voltage spike whilst starting the a/c from a boost starter.

Fault finding would be much easier if anyone has access to a circuit diagram of the device. Does anyone on here know where to find one? We have the user manual - but that only shows the external wiring to the power and transducer. It's a Hoskins Model FT101A.

Any help would be very much appreciated. Thanks for reading this.

Stuart


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user9253



Joined: 28 Mar 2008
Posts: 1291
Location: Riley TWP Michigan

PostPosted: Mon Jan 22, 2018 4:52 am    Post subject: Re: Fuel Totalizer Circuit Reply with quote

Download this pdf:
https://img1.wsimg.com/blobby/go/5fd0aa27-961d-44f2-853d-76b9736fb4af/downloads/1bono4lcn_734052.pdf
Edit: Never mind. This pdf is probably what you already have, showing external wiring only.


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Joe Gores
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sturs



Joined: 17 Jan 2018
Posts: 3

PostPosted: Mon Jan 22, 2018 9:17 am    Post subject: Re: Fuel Totalizer Circuit Reply with quote

Hi Joe,

Yes, that's the one we've already got - but thanks anyway. The problem is there's clearly a fault on the circuit board somewhere - and I don't think I can find it without a circuit diagram.

Cheers, Stu


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millner(at)me.com
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PostPosted: Mon Jan 22, 2018 6:12 pm    Post subject: Fuel Totalizer Circuit Reply with quote

Don't have the diagram, but I think I have a removed-good unit in my
hangar...

Paul
On 1/22/2018 2:12 AM, sturs wrote:
Quote:


A friend of mine is having an issue with the fuel totalizer on his aircraft. Basically it doesn't work (is dead) and seems that it may have suffered from a voltage spike whilst starting the a/c from a boost starter.

Fault finding would be much easier if anyone has access to a circuit diagram of the device. Does anyone on here know where to find one? We have the user manual - but that only shows the external wiring to the power and transducer. It's a Hoskins Model FT101A.

Any help would be very much appreciated. Thanks for reading this.

Stuart


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=477495#477495



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sturs



Joined: 17 Jan 2018
Posts: 3

PostPosted: Tue Jan 23, 2018 12:49 am    Post subject: Re: Fuel Totalizer Circuit Reply with quote

Thanks Paul. My friend already has a replacement - which took him a long time to find. Mind you he’s rather unwilling to take the ‘new’ one apart and use that as an example to check against the other!

Thanks for the offer, though. Much appreciated.

Cheers, Stu


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