Fuel Primer - Aircraft Systems

Fuel Primers - How they work, and some dangers associated with them.

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Thanks!

[hayleycopher]

Thank you!! It’s so much easier to learn when there’s a visual.

[azcharlie]

Thank you! I was looking all over for information about the primer. Mine was stuck so bad I had one heck of a time getting it out. Then, my old AP wanted me to use some "fuel grease" he had. It was so sticky I was afraid I'd have the same trouble sticking again. I thought silicone grease was the answer, but was unsure. Now I know!

[EileenfromOttawa]

Great video, thank you! please make more about the aircraft systems!

[victoriamorozova]

Great video, thank you very much! Make more!!!! greatings from Italy ❤️🇮🇹

[slates]

Great and simple explanation! Thank you!

[blaineluther]

*Question* Hopefully someone see’s this and has an answer. A couple months ago I went to the local airport and rented their PA28. After all my initial checks and as I began the startup checklist, I went to prime, and on the second pull, the nut holding the primer in came unscrewed and the internal primer assembly came fully out of the airplane, along with a decent amount of fuel. I did not feel safe flying that day after that and so I called it a day and told the aircraft mechanics about it. They were not concerned at all and said they would just tighten the nut for me. Since the last annual or systems check by the mechanics, the primer nut had slowly become unscrewed and loose.

My question is, if I was mid flight and some normal bumpy air were to have knocked that nut off the last thread that it was hanging onto, if the primer assembly fell out completely mid flight, would the engine have died?

[surindersangha]

What do you know about Kohler Fuel Primer, p/n K-2406-2. Can you please tell me if you know Kohler still makes it.

[carlosmorera]

Hello.
How can this Prime device control the correct amount of fuel sent, we do know that a slight excess of fuel in the chambers can easily
hinder the starting of an engine?

[liviumistor]

Quick question. Have you seen a primer that the plunger has no O rings on it? My looks like it does not have an O ring on it. I have a Mustang MII home build with an O320 on it.

[reyesben]

What if my primer is stuck and I can’t pull it out?