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Outflow Valve

 
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moe(at)rosspistons.com
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PostPosted: Mon Aug 06, 2007 3:45 pm    Post subject: Outflow Valve Reply with quote

[img]cid:image002.gif(at)01C7D849.9CA99480[/img] 625 S. Douglas, El Segundo, CA 90245 $B!|(J Phone: (310) 536-0100 Fax: (310) 536-0333
moe(at)rosspistons.com (moe(at)rosspistons.com)  






August 6, 2007

Fellow Commander Drivers:

Does anyone have a suggestion as to where one should go to have an outflow valve for the pressurization system rebuilt for a 680F(p)?

Thanks!

Moe


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Jerry Sprayberry



Joined: 10 Jan 2006
Posts: 15
Location: Summerville, GA

PostPosted: Tue Aug 07, 2007 2:55 am    Post subject: Outflow Valve Reply with quote

Moe,

Mine were replaced at Commander Aero, you might check with Gary.

Another Subject;

Has anyone had any trouble with IGSO 540 Oil Pressure, I bought a New Rebuilt Engine by Performance Engines and it came with (7) Seven Washers under the Pressure Regulator but still cant get but 53 psi after warm-up. any suggestions will be appreciated.

Jerry
[quote] ---


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moe(at)rosspistons.com
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PostPosted: Tue Aug 07, 2007 6:23 am    Post subject: Outflow Valve Reply with quote

Jerry,

Thanks for the tip, I will contact Gary.

Regarding the oil pressure problem. It is generally accepted that the oil pumps on the IGSO 540 series are too small. I can$B!G(Bt remember the GPM (gallons per minute), however, this has been, as I understand it, a long standing problem. Once the pump has in-adequate volume, no amount of spring shimming will raise the oil pressure. Some suggestions:
  1. Have you checked the accuracy of your oil pressure gage? (Laugh, but I have heard some real horror stories)
  2. Screw an oil pressure gage into the oil galley at the front of the engine and compare the oil pressure on the two gages. Lycoming has a maximum differential that is acceptable, again, I can$B!G(Bt remember what it is, but will look it up for you if necessary.
  3. Will the oil pressure stay in the green while in flight?
  4. Will the engine maintain a minimum of 35 PSI at hot idle and about 1,500 RPM (minimum for the fuel pump computer to work)?


Regards,

Moe
N680RR
680F(p)


From: owner-commander-list-server(at)matronics.com [mailto:owner-commander-list-server(at)matronics.com] On Behalf Of Jerry Sprayberry
Sent: Tuesday, August 07, 2007 3:54 AM
To: commander-list(at)matronics.com
Subject: Re: Commander-List: Outflow Valve


Moe,



Mine were replaced at Commander Aero, you might check with Gary.



Another Subject;



Has anyone had any trouble with IGSO 540 Oil Pressure, I bought a New Rebuilt Engine by Performance Engines and it came with (7) Seven Washers under the Pressure Regulator but still cant get but 53 psi after warm-up. any suggestions will be appreciated.



Jerry
[quote]
---


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BillLeff1(at)aol.com
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PostPosted: Wed Aug 08, 2007 1:21 pm    Post subject: Outflow Valve Reply with quote

The test must have worked?

Bill

Get a sneak peek of the all-new AOL.com.


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moe(at)rosspistons.com
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PostPosted: Wed Aug 08, 2007 2:27 pm    Post subject: Outflow Valve Reply with quote

Yes, Bill it did. Thank you for your wise council.

Moe


From: owner-commander-list-server(at)matronics.com [mailto:owner-commander-list-server(at)matronics.com] On Behalf Of BillLeff1(at)aol.com
Sent: Wednesday, August 08, 2007 2:21 PM
To: commander-list(at)matronics.com
Subject: Re: Commander-List: Outflow Valve


The test must have worked?



Bill





Get a sneak peek of the all-new AOL.com.

[quote]

href="http://www.matronics.com/Navigator?Commander-List">http://www.matronics.com/Navigator?Commander-List
href="http://forums.matronics.com">http://forums.matronics.com

[b]


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