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Adding resistor to 914 fuel pumps?

by Steve Crewdog in 912 / 914 Technical Questions 2 weeks ago

I seem to remember something about adding a resistor to the 914 fuel pumps, I'm wiring them in now and can't find the dang reference. Any ideas?

Thanks

Re: Adding resistor to 914 fuel pumps?

by Des Howson » 2 weeks ago

Des Howson

4 63 317

Hi Steve,

I think you are referring to the requirement for a capacitor to be installed at each pump.

Pages from the installation manual attached.

Here’s a link to service instruction SI-914-035 referring to the “new” style pumps. If they are the style you have, it additionally calls for a ferrite core to be installed.

https://rotax.my.salesforcesites.com/DocumentsSearch/sfc/servlet.shepherd/

version/download/0681H000009TmEGQA0?asPdf=false

Cheers.

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Thank you said by: Steve Crewdog

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Re: Adding resistor to 914 fuel pumps?

by Steve Crewdog » 2 weeks ago

Steve Crewdog

9 5 50

Thanks Des, as soon as I left my hangar I remembered it was a capacitor, not a resistor, which makes the installation a lot easier. I have the older style pump nib with the ring terminals.

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