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rparigoris
Joined: 24 Nov 2009
Posts: 797
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 Posted: Wed Mar 10, 2010 2:10 pm Post subject: MP plumbing |
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I guess a little off topic, I have a question about plumbing my manifold pressure gauge. An avionics shop mentioned to me a while back (now out of business) it is a good idea to have ability to drain manifold pressure line once a year. They said even with a normal aspirated engine, crud makes its way into gauge and clogs up the works. He said they install near the gauge an easy way to create a leak once a year and let crud get sucked through engine. I don't know if they use a needle valve, some sort of valve, a capped flair or?? i have a Rotax 914 that has ability to not only suck, but pressurize as well, being a turbo oil can certainly be in the mix as well. I have a UMA dual diaphragm 2+1/4" gauge, UMA said they recommend ability to purge line once a year but offer no guidance as far as what sort of hardware to use to create leak. any ideas or suggestions?Thx.Ron Parigoris [quote][b]
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david.nelson(at)pobox.com
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| Posted: Wed Mar 10, 2010 2:56 pm Post subject: MP plumbing |
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Hi Ron,
Why not place a clear, in-line "fuel-filter" as found at motorcycle/small engine
shops?
Just an idea,
/\/elson
~~ Lately my memory seems to be like a steel trap .... without any spring. ~~
On Wed, 10 Mar 2010, rparigor(at)suffolk.lib.ny.us wrote:
| Quote: | I guess a little off topic, I have a question about plumbing my manifold pressure gauge. An avionics shop mentioned to me a while back (now out of business) it is a good idea to have ability to
drain manifold pressure line once a year. They said even with a normal aspirated engine, crud makes its way into gauge and clogs up the works. He said they install near the gauge an easy way to
create a leak once a year and let crud get sucked through engine. I don't know if they use a needle valve, some sort of valve, a capped flair or?? i have a Rotax 914 that has ability to not
only suck, but pressurize as well, being a turbo oil can certainly be in the mix as well. I have a UMA dual diaphragm 2+1/4" gauge, UMA said they recommend ability to purge line once a year but
offer no guidance as far as what sort of hardware to use to create leak. any ideas or suggestions?
Thx.
Ron Parigoris
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