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Yak-List Digest: 9 Msgs - 11/09/08

 
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SD737(at)aol.com
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PostPosted: Mon Nov 10, 2008 10:11 am    Post subject: Yak-List Digest: 9 Msgs - 11/09/08 Reply with quote

I have seen two Yak-52 primer lines that leak ONLY when you prime the engine. Like John mentioned, the leaks are ONLY visible when you pressurize the primer line with a primer shot.

One leak resulted in the line spraying fuel and immediately resulted in a small, quick flash fire upon that ignited from the generator that did no damage other than cause alot of smoke. The primer line continued to burn like a "TIki" torch for a few moments. Not good....

It's something you must check with another guy watching the primer line from where it attaches to the firewall all the way along the line to the engine.

Fire in the hole!



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dougsappllc(at)gmail.com
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PostPosted: Mon Nov 10, 2008 10:26 am    Post subject: Yak-List Digest: 9 Msgs - 11/09/08 Reply with quote

This item should be added to the RPA's annual "to do" list for both aircraft.

Always Yakin,
Doug
On Mon, Nov 10, 2008 at 10:10 AM, <SD737(at)aol.com (SD737(at)aol.com)> wrote:
Quote:
I have seen two Yak-52 primer lines that leak ONLY when you prime the engine. Like John mentioned, the leaks are ONLY visible when you pressurize the primer line with a primer shot.

One leak resulted in the line spraying fuel and immediately resulted in a small, quick flash fire upon that ignited from the generator that did no damage other than cause alot of smoke. The primer line continued to burn like a "TIki" torch for a few moments. Not good....

It's something you must check with another guy watching the primer line from where it attaches to the firewall all the way along the line to the engine.

Fire in the hole!



Quote:




--
Always Yakin,
Doug Sapp
Phone 509-826-4610
Fax 509-826-3644
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