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max8992
Joined: 28 Jul 2011
Posts: 142
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 Posted: Tue May 20, 2014 4:29 am Post subject: oil low pessure |
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Hi there all,
Oil pressure on the 912S fitted on my MCR 4S) is ever low, under 2 bars and
just over the red line... Is there a way to trim it?
BTW it is not much more on the 912S on my Europa, just above 3 bars.
Cheers,
Max Cointe
mcointe(at)free.fr
F-PMLH Europa XS_TriGear
Kit #560-2003 912ULS/AirmasterAP332 490 hours
F-PLDJ Dyn’Aéro MCR 4S
Kit #27-2002 912ULSFR/MTProp MTV7A 1600 heures
-----Message d'origine-----
De : owner-rotaxengines-list-server(at)matronics.com
[mailto:owner-rotaxengines-list-server(at)matronics.com] De la part de
rparigoris
Envoyé : mercredi 4 juillet 2012 00:36
À : rotaxengines-list(at)matronics.com
Objet : I wish there was a Rotax 9XX video like this.
--> <rparigor(at)suffolk.lib.ny.us>
I wish there was a 9XX video like this:
http://jalopnik.com/5922349/watch-an-engine-rebuild-itself-in-this-3000+phot
o-stop+motion-video
Ron Parigoris
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=377182#377182
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_________________
Max8992
Europa XS #560 F-PMLH |
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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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| Posted: Tue May 20, 2014 5:15 am Post subject: oil low pessure |
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May be time to replace the oil pressure sending unit. I still hard mount
mine. They do not last long. One of these days I will remote mount and see
if I can get more hours out of it.
john h
mkIII
Titus, Alabama
Hi there all,
Oil pressure on the 912S fitted on my MCR 4S) is ever low, under 2 bars and
just over the red line... Is there a way to trim it?
BTW it is not much more on the 912S on my Europa, just above 3 bars.
Cheers,
Max Cointe
mcointe(at)free.fr
| | - The Matronics RotaxEngines-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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wdaniell.longport(at)gmai
Guest
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| Posted: Tue May 20, 2014 5:27 am Post subject: oil low pessure |
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Max I had the same thing, turned out to be air in the system.
Will
William Daniell
LONGPORT
+57 310 295 0744
On Tue, May 20, 2014 at 8:15 AM, John Hauck <jhauck(at)elmore.rr.com (jhauck(at)elmore.rr.com)> wrote:
[quote] --> RotaxEngines-List message posted by: "John Hauck" <jhauck(at)elmore.rr.com (jhauck(at)elmore.rr.com)>
May be time to replace the oil pressure sending unit. Â I still hard mount
mine. Â They do not last long. Â One of these days I will remote mount and see
if I can get more hours out of it.
john h
mkIII
Titus, Alabama
Hi there all,
Oil pressure on the 912S Â fitted on my MCR 4S) is ever low, under 2 bars and
just over the red line... Is there a way to trim it?
BTW it is not much more on the 912S on my Europa, just above 3 bars.
Cheers,
Max  Cointe
mcointe(at)free.fr (mcointe(at)free.fr)
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k">http://forums.matronics.com
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t="_blank">http://www.matronics.com/contribution
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Roger Lee
Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.
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| Posted: Tue May 20, 2014 5:53 am Post subject: Re: oil low pessure |
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29 psi to 43 psi is within the guidelines, but anything below 40 psi seems a bit low to be real. The number one cause for low readings is the sending unit. They cost about $35.
Single pole sender:
http://www.egauges.com/ProductDetails.asp?ProductCode=360-004
Double pole sender:
http://www.egauges.com/ProductDetails.asp?ProductCode=360-430
The second cause is air in the oil sending line.
The other item that should be done is install the new oil pressure regulator cone, spring and cap screw. It only takes about 5 min. and cost is around $75.
Numbers 3, 5, 41.
http://www.cps-parts.com/catalog/rtxpages/912914oilpump.php
The old ball bearing can and will cause lower readings for some.
Never add shims unless you put an inline mechanical gauge in the oil line to test the real pressure or like the majority of people will actually over pressure the system because they never checked it and the readings were lying to them. Volume is more important than pressure.
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_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056 |
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n992dn(at)gmail.com
Guest
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| Posted: Tue May 20, 2014 6:39 am Post subject: oil low pessure |
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The first question I would ask myself is weather there is a real problem of low oil pressure or is it a simply an indication problem. The way to verify it is to (temporary) plumb a mechanical oil gauge using a T fitting and to compare the readings of the Rotax provided sensor with the mechanical one. Depending on the outcome of this test will be the diagnostic/corrections actions
Â
Nati
RANSÂ S6S 912ULS,Â
Illinois    Â
On Tue, May 20, 2014 at 8:27 AM, William Daniell <wdaniell.longport(at)gmail.com (wdaniell.longport(at)gmail.com)> wrote:
[quote] Max I had the same thing, turned out to be air in the system.
Will
William Daniell
LONGPORT
[url=tel:%2B57%20310%20295%200744]+57 310 295 0744[/url]
On Tue, May 20, 2014 at 8:15 AM, John Hauck <jhauck(at)elmore.rr.com (jhauck(at)elmore.rr.com)> wrote:
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ist" target="_blank">http://www.matronics.com/Navigator?RotaxEngines-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
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[b]
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