Today's Message Index:
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1. 02:13 PM - Pre-oiling 912ULS (Jim Clayton)
2. 03:47 PM - Re: Pre-oiling 912ULS (Roger Lee)
3. 05:02 PM - Re: Re: Pre-oiling 912ULS (Jim Clayton)
4. 06:34 PM - Re: Pre-oiling 912ULS (Roger Lee)
Message 1
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| Subject: | Pre-oiling 912ULS |
Greetings all:
I looked in the archives and didn't see an answer so here goes:
I have a 912ULS, in the crate I bought it in 2005. I just unwrapped it and would
like to pressurize the oil system with engine oil since the engine has been
sitting so long and I am very concerned about roating the engine (dry) to get
the internal pump to move oil. I have a 12 volt oil pump, return tank and accessories
to accomplish this, however I have a question:
Can I simply feed the oil pump inlet hose-barb with oil pressure to circulate oil
throughout the gallery? I am concerned the pump will not pass oil if the engine
is not turning.
Alternately I could remove the pressure sender and feed the gallery from there
unless there is some reason not to. My preference is to feed through the larger
oil pump inlet in the hipe of greater flow through the gallery.
I plan to return the oil by draining the crankcase through the return hosebarb
and back into the return tank.
Any thoughts or suggestions to circulate oil through my engine?
Thanks, Jim
Kolb Mark3X
912ULS
80% completed
Message 2
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| Subject: | Re: Pre-oiling 912ULS |
Hi Jim,
You will need to do a good oil purge.
Here is the Rotax link to a video:
http://www.rotax-owner.com/information-reg/expanded-video-instructions-reg/33-exp-si-912-018
In the Installation manual section 13.10 page 78 (Oil Purge) are the same instructions.
I would advise that you go to the Rotax Owner website and download the 5 manuals
you will need for your engine. They will be very helpful and almost all your
answers will be there.
This is very important for this first start, but is easy to do. If It was my first
start I would do it twice. It's very easy. twice just means rotating the prop
twice as much.
--------
Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Repair Center - Heavy Maint. Rated
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=386073#386073
Message 3
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| Subject: | Re: Pre-oiling 912ULS |
Hi Roger,
Thanks for the response. I agree on the value of the Rotax Owner site. For years
I got the updates, and am now reviewing the latest docs. I just joined the pay
portion (is paying to play new?) and reviewed the video. The procedure does
make sense, and I recall in the maintenance class they stressed the critical
importance of purging. That said my question is can I pump oil into the engine
*without* rotating it?
The procedure suggests air pressure against the tank to force oil into a turning
engine. I am fortunate to have an electric oil pump so I don't need the air
pressure.
I am several months from engine start, and have had the engine in its crate, wrapped
in plastic for years. I want to circulate oil without rotating what I fear
are dry (or nearly so) bearing journals.
When engine start comes I will follow this purging procedure to the letter.
Until then I wish to circulate oil, without first turning the engine.
I will re-examine the engine docs to look at the oil pump/bypass topology, but
to save time I was asking if anyone on this list knew if oil can be pumped past
a stationary oil pump.
My intent is to rig up my system and pump fresh oil through the gallery several
times a month until engine installation. If I am lucky perhaps that will make
up for having a new engine in mothballs so long.
Do you (or anyone else) know if a non-turning engine will allow oil under pressure
past it?
Thanks, Jim
--- On Fri, 10/26/12, Roger Lee <ssadiver1@yahoo.com> wrote:
> From: Roger Lee <ssadiver1@yahoo.com>
> Subject: RotaxEngines-List: Re: Pre-oiling 912ULS
> To: rotaxengines-list@matronics.com
> Date: Friday, October 26, 2012, 3:47 PM
> --> RotaxEngines-List message
> posted by: "Roger Lee" <ssadiver1@yahoo.com>
>
> Hi Jim,
>
> You will need to do a good oil purge.
>
> Here is the Rotax link to a video:
> http://www.rotax-owner.com/information-reg/expanded-video-instructions-reg/33-exp-si-912-018
>
> In the Installation manual section 13.10 page 78 (Oil Purge)
> are the same instructions.
>
> I would advise that you go to the Rotax Owner website and
> download the 5 manuals you will need for your engine. They
> will be very helpful and almost all your answers will be
> there.
>
> This is very important for this first start, but is easy to
> do. If It was my first start I would do it twice. It's very
> easy. twice just means rotating the prop twice as much.
>
> --------
> Roger Lee
> Tucson, Az.
> Light Sport Repairman - Maintenance Rated
> Rotax Repair Center - Heavy Maint. Rated
> Home 520-574-1080 TRY HOME FIRST
> Cell 520-349-7056
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=386073#386073
>
>
>
>
>
>
>
> RotaxEngines-List Email Forum -
> - MATRONICS WEB FORUMS -
> List Contribution Web Site -
> -Matt
> Dralle, List Admin.
>
>
>
>
Message 4
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| Subject: | Re: Pre-oiling 912ULS |
Your going to have to rotate the engine to get into critical areas and past the
pump.
--------
Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Repair Center - Heavy Maint. Rated
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=386086#386086
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