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high oil PSI.

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thane

Joined: 27 Nov 2006
Posts: 56

Posted: Mon Jun 04, 2012 4:02 pm Post subject: high oil PSI.

Hey guys, I went out flying this  weekend and had a strange rise in oil psi.  Ist, I have a BPE, IO-540. 222  hrs.  I was at 4500 msl when I glanced over to see my oil psi at 91  psi.  Within a minute it jumped one more psi and so on until it showed 99  psi.  By this time I already turned back for home, and had reduced power to  see if that helped.  That didn't change anything.  Once I landed, and  was at taxi power, it showed in the low 70's.

     Anyone else ever see this?   BTW, I have the GRT system, and I am on my 3rd. fuel psi sender.  Could  this be the same problem, bad sender??

  

  

 Thane states

 RV-10

 321BY

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_________________
Working on finish kit: I hate fiberglass!!

carl.froehlich(at)verizon
Guest

Posted: Mon Jun 04, 2012 5:47 pm Post subject: high oil PSI.

I’ve seen the GRT fuel pressure sender go bad and read real high.

 

I’d guess you have a bad sender.

 

Carl

 

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Thane States

Sent: Monday, June 04, 2012 8:01 PM

To: rv10-list(at)matronics.com

Subject: high oil PSI.

 

    Hey guys, I went out flying this weekend and had a strange rise in oil psi.  Ist, I have a BPE, IO-540. 222 hrs.  I was at 4500 msl when I glanced over to see my oil psi at 91 psi.  Within a minute it jumped one more psi and so on until it showed 99 psi.  By this time I already turned back for home, and had reduced power to see if that helped.  That didn't change anything.  Once I landed, and was at taxi power, it showed in the low 70's.



    Anyone else ever see this?  BTW, I have the GRT system, and I am on my 3rd. fuel psi sender.  Could this be the same problem, bad sender??



 



 



Thane states



RV-10



321BY

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dlm34077(at)q.com
Guest

Posted: Mon Jun 04, 2012 6:28 pm Post subject: high oil PSI.

welcome to the club.the VDO 360-003 is the same used on  a certified Piper product. The cost with the FAA PMA stamped exceeds $200. they  are available to the experimental machines for $28 from http://www.jegs.com/i/VDO/918/360-003/10002/-1.  The first lasted about $500 hours; the second gave intermittent high readings in  about 25 hours.  



   From: owner-rv10-list-server(at)matronics.com  [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Carl  Froehlich

Sent: Monday, June 04, 2012 6:42 PM

To:  rv10-list(at)matronics.com

Subject: RE: high oil  PSI.

 

  

I’ve seen the GRT fuel pressure  sender go bad and read real high. 

  

I’d guess you have a bad  sender. 

  

Carl 

    

From:  owner-rv10-list-server(at)matronics.com  [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Thane  States

Sent: Monday, June 04, 2012 8:01 PM

To:  rv10-list(at)matronics.com

Subject: high oil  PSI.



 

   

     Hey guys, I went out flying this weekend and had a strange rise in oil  psi.  Ist, I have a BPE, IO-540. 222 hrs.  I was at 4500 msl when I  glanced over to see my oil psi at 91 psi.  Within a minute it jumped one  more psi and so on until it showed 99 psi.  By this time I already turned  back for home, and had reduced power to see if that helped.  That didn't  change anything.  Once I landed, and was at taxi power, it showed in the  low 70's.

  

     Anyone else ever see this?  BTW, I have the GRT system, and I am on my 3rd.  fuel psi sender.  Could this be the same problem, bad  sender??

  

 

  

 

  

Thane  states

  

RV-10

  

321BY

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thane

Joined: 27 Nov 2006
Posts: 56

Posted: Wed Jun 13, 2012 10:26 am Post subject: high oil PSI.

Ok Guys, finally got the Oil PSi. sender changed  today, and now am even more confused.

 Upon start, the Oil psi was at 99 psi and stayed  there.  I did a 5-7 minute engine run, and the psi never changed  from

 99 psi.

     Any ideas??  Could I have a  brand new sender that is bad?

  

     Thanks in advance,

 Thane

 [quote]   ---

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_________________
Working on finish kit: I hate fiberglass!!

pilotdds(at)aol.com
Guest

Posted: Wed Jun 13, 2012 11:04 am Post subject: high oil PSI.

Thane keep me posted on this I made an unscheduled stop in blythe Ca after a 7000 mile trip  Over the course of 300 miles the oil pressure indication went from83to 95 when I landed.Temp dropped but I richened the mixture and reduced RPM.I removed the cowl at BLH and tapped on the vernitherm,wiggled wires and turned down oilpressure adjustment but only one turn in case it was an erroneos reading.On talkoff it was 92 but came down to 85 and I was able to return home.I am using grt equipment also but have had no trouble.This weekend I will check accuracy with a mechanical gauge.Sac sky ranch talks about possible blockage inthe right oil gallery but that may be jumping the gun.My engine is a narrow deck 540 that i overhauled myself with 450 hours using aeroshell 100 plus.To: rv10-list <rv10-list(at)matronics.com>

 Sent: Wed, Jun 13, 2012 11:27 am

 Subject: Re: high oil PSI.

 

    #AOLMsgPart_1_7bc5c3da-b065-41cc-9532-071dbe95e53c td{color: black;} (at)font-face {  font-family: Cambria Math; } (at)font-face {  font-family: Calibri; } (at)font-face {  font-family: Tahoma; } (at)font-face {  font-family: Consolas; } (at)page WordSection1 {size: 8.5in 11.0in; margin: 1.0in 1.0in 1.0in 1.0in; } #AOLMsgPart_1_7bc5c3da-b065-41cc-9532-071dbe95e53c P.MsoNormal {  FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman","serif" } #AOLMsgPart_1_7bc5c3da-b065-41cc-9532-071dbe95e53c LI.MsoNormal {  FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman","serif" } #AOLMsgPart_1_7bc5c3da-b065-41cc-9532-071dbe95e53c DIV.MsoNormal {  FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman","serif" } #AOLMsgPart_1_7bc5c3da-b065-41cc-9532-071dbe95e53c A:link {  COLOR: blue; TEXT-DECORATION: underline; mso-style-priority: 99 } #AOLMsgPart_1_7bc5c3da-b065-41cc-9532-071dbe95e53c SPAN.MsoHyperlink {  COLOR: blue; TEXT-DECORATION: underline; mso-style-priority: 99 } #AOLMsgPart_1_7bc5c3da-b065-41cc-9532-071dbe95e53c A:visited {  COLOR: purple; TEXT-DECORATION: underline; mso-style-priority: 99 } #AOLMsgPart_1_7bc5c3da-b065-41cc-9532-071dbe95e53c SPAN.MsoHyperlinkFollowed {  COLOR: purple; TEXT-DECORATION: underline; mso-style-priority: 99 } #AOLMsgPart_1_7bc5c3da-b065-41cc-9532-071dbe95e53c PRE {  FONT-SIZE: 10pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Courier New"; mso-style-priority: 99; mso-style-link: "HTML Preformatted Char" } #AOLMsgPart_1_7bc5c3da-b065-41cc-9532-071dbe95e53c SPAN.HTMLPreformattedChar {  FONT-FAMILY: Consolas; mso-style-priority: 99; mso-style-link: "HTML Preformatted"; mso-style-name: "HTML Preformatted Char" } #AOLMsgPart_1_7bc5c3da-b065-41cc-9532-071dbe95e53c SPAN.EmailStyle19 {  FONT-WEIGHT: normal; COLOR: blue; FONT-STYLE: normal; FONT-FAMILY: "Times New Roman","serif"; mso-style-type: personal-reply } #AOLMsgPart_1_7bc5c3da-b065-41cc-9532-071dbe95e53c .MsoChpDefault {  FONT-SIZE: 10pt; mso-style-type: export-only } #AOLMsgPart_1_7bc5c3da-b065-41cc-9532-071dbe95e53c DIV.WordSection1 {  page: WordSection1 }    Ok Guys, finally got the Oil PSi. sender changed today, and now am even more confused.

   Upon start, the Oil psi was at 99 psi and stayed there.  I did a 5-7 minute engine run, and the psi never changed from

   99 psi.

       Any ideas??  Could I have a brand new sender that is bad?

    

       Thanks in advance,

   Thane

  [quote]  ---

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Neal.George(at)hurlburt.a
Guest

Posted: Wed Jun 13, 2012 12:19 pm Post subject: high oil PSI.

Thane -



Any chance you checked the GRT for 0-psi before start?  



Check the lead(s) from the sender to the GRT.  Check all connections or

splices for a hidden break/intermittent.  Pay particular attention to pinch

points, like where the wire runs thru a clamp or tie.  Have someone watch

the monitor while you wiggle, tug and push the wire around.



Pull the sender out of the engine, but leave it connected to the GRT.  Use

whatever plumbing adapters are necessary to connect the sender to your

calibrated differential pressure gauge.  Power up the monitor and apply air

pressure.  Compare the known air pressure to that displayed on the GRT.  Use

the regulator to vary the air pressure.  Does the GRT oil pressure display

change, or is it pegged at 99-psi?  Could be a software / setup /

calibration issue.  While you're at it, check the old sender just for

giggles.



If the gauge and GRT agree, use plumbing adapters and a long hose to connect

a known, accurate gauge to the oil pressure port on the engine.  Perform a

ground-run to verify that the engine is indeed making high pressure.  



If the engine is indeed making high oil pressure, check the pressure

regulator assembly.  Then consult the engine builder for further guidance.



Neal



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