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Rotax 912 UL high oil pressure

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Edward Micallef

Joined: 30 Sep 2007
Posts: 5

Posted: Tue Oct 02, 2007 11:43 am Post subject: Rotax 912 UL high oil pressure

 I am a new owner of a Zodiac 601 HDS The A/C has a TTEA of 150 Hrs.. The engine is a Rotax 912 UL # 4401716..I am used to Lyconing engines but Rotax is new to me. Lately I have noticed that the oil pressure is higher than what is specified in the   manual. It is supposed to be 22-72 psi , when I am turning about 5000 rpm it fluctuate over 80psi. I can't find any thing about it in the trouble shooting about high oil pressure..Is there any body out there that   had a similar problem? Any help will be greatly  appreciated...Ed

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Gig Giacona

Joined: 10 Jan 2006
Posts: 1416
Location: El Dorado Arkansas USA

Posted: Tue Oct 02, 2007 12:16 pm Post subject: Re: Rotax 912 UL high oil pressure

Don't discount the sensor being wrong.

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_________________
W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR

sonar1@cox.net

Joined: 02 Oct 2007
Posts: 55
Location: Santa Barbara, Ca

Posted: Tue Oct 02, 2007 5:17 pm Post subject: Re: Rotax 912 UL high oil pressure

Hi Ed:

One thing you might check :

I had what I considered to be low oil pressure, so I added two washer-like shims under the oil pressure spring in the oil pump housing.  Now, I have WAY enough oil pressure. Perhaps the previous owner did that too???........Fred  701 912UL flying  Building  601XL

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