paul.r.kuntz(at)gmail.com
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 Posted: Wed Mar 16, 2011 3:21 pm Post subject: Purging 912ULS oil system with oil thermostat installed |
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I was able to get by with two people, but it was a bit of a challenge.
Filling the lines first will certainly help, if your installation allows. I couldn't figure out a way to do this on mine without making a complete mess of things.
Regards,
Paul
On Wed, Mar 16, 2011 at 9:36 AM, lucien <lstavenhagen(at)hotmail.com (lstavenhagen(at)hotmail.com)> wrote:
[quote]--> RotaxEngines-List message posted by: "lucien" <lstavenhagen(at)hotmail.com (lstavenhagen(at)hotmail.com)>
paul.r.kuntz(at)gmail.com wrote:
| Quote: | LS,
I discuss this on my Pipistrel project web site.� Here's a link to the Firewall Forward page ([url=http://www.pipistrelbuilders.com/firewall_forward.html).]http://www.pipistrelbuilders.com/firewall_forward.html).[/url]� Scroll down the page to the entries for
> Dec 5, 2010, Dec 18th, 2010 and Jan 2nd, 2011.� I found that the partially open position of the thermostat when cold wasn't enough to get all the lines full of oil, and you definitely want to get all the air out of them.�
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| Quote: | I would check the lifters as well, although they may remain full of oil.� The problem is that you will be turning the prop through a number of revolutions before the system is full of oil again, so the oil may be squeezed out of the lifters, at least to some degree.� Follow the procedure described in the Rotax 912 Installation Manual, section 31.11 (available in the Documentation area (http://www.rotax-aircraft-engines.com/desktopdefault.aspx/tabid-49) of the Rotax web site).� It will be easy to see of the lifters need to be re-primed.� There is also a video of the priming procedure available on the Rotax Owners site ([url=http://joomla.rotax-owner.com/).]http://joomla.rotax-owner.com/).[/url]� If you don't already have a subscription to this site, I recommend it for an excellent information resource (in addition to this forum).
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Ok, thanks Paul. This sounds like practically a 4-man job! 1 with a heat gun on the oil tank, 1 with a heat gun on the thermostat, 1 pressurizing the tank and 1 cranking the prop!
However, I have this idea that may reduce it to only 2. Perhaps heating the tank only with a heat gun first till it's up to about 200. then doing the cranking, checking for warmth in the hoses going to the oil filter during the priming operation. Hopefully indicating oil is getting in there..
pre-filling the lines like Roger talks about sounds like it would help too. What you guys think?
LS
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LS
Titan II SS
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