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New oil pressure regulator installation

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paul.r.kuntz(at)gmail.com
Guest

Posted: Mon Nov 08, 2010 7:35 pm Post subject: New oil pressure regulator installation

Roger,



The Rotax Illustrated Parts Catalog shows a shim between the spring and the cap screw.  Does that shim need to be retained when replacing the other parts of the regulator assembly?



Thanks,

Paul Kuntz

  [quote][b]

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Roger Lee

Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.

Posted: Mon Nov 08, 2010 8:23 pm Post subject: Re: New oil pressure regulator installation

Hi Paul,



That shim is not a stock installed factory part. It is only there if you need to raise the oil pressure because of a weak spring. It raises it about 7-9 psi. It will not be in your engine unless you put it there. And never put a shim in there without first using a mechanical gauge to double check the pressure against what you think is a low pressure from the gauge in the cockpit. You could easily go above max oil pressure and the gauge in the cockpit would be lying to you. It is better to have quantity than just pressure for our engine so long as it is within parameters.

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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

lucien

Joined: 03 Jun 2007
Posts: 721
Location: santa fe, NM

Posted: Tue Nov 09, 2010 5:04 am Post subject: Re: New oil pressure regulator installation

Roger and all,



Is there a SB on this new regulator? I'm just curious if my engine does or doesn't have whatever the new parts are in it already (it's a 2005/6 vintage 912ULS). I'm not really inclined to replace them since I'm not having any problems with my oil pressure that I can see (only fluctuates a few PSI). But if it _is_ an SB or alert that's strongly suggested or worse, , I should probably go ahead and do it...



I couldn't find a SB or SI on rotax-owner.com on this, so just wondering...



Thanks,

LS

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LS
Titan II SS

Roger Lee

Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.

Posted: Tue Nov 09, 2010 5:13 pm Post subject: Re: New oil pressure regulator installation

Hi Lucien,

Your engine of 2005 does not qualify for the 2000 TOB. The cut off for the engine serial numbers was right around July 2006 or right in there. you would need to look at the bulletin if your engine falls right in that time period.

The Rotax SB was SB912-057UL, but had a revision and is now SB912-041UL R2

for the 912ULS



http://legacy.rotax-owner.com/si_tb_info/serviceb/sb-912-041-ul.pdf

The 912  80 hp is:



http://legacy.rotax-owner.com/si_tb_info/serviceb/sb-912-041.pdf

I would recommend that all do this little part swap. It is easy and not costly and does help.

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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

lucien

Joined: 03 Jun 2007
Posts: 721
Location: santa fe, NM

Posted: Tue Nov 09, 2010 6:06 pm Post subject: Re: New oil pressure regulator installation

 	  Roger Lee wrote: 	
		  Hi Lucien,

Your engine of 2005 does not qualify for the 2000 TOB. The cut off for the engine serial numbers was right around July 2006 or right in there. you would need to look at the bulletin if your engine falls right in that time period.

The Rotax SB was SB912-057UL, but had a revision and is now SB912-041UL R2

for the 912ULS



http://legacy.rotax-owner.com/si_tb_info/serviceb/sb-912-041-ul.pdf

The 912  80 hp is:



http://legacy.rotax-owner.com/si_tb_info/serviceb/sb-912-041.pdf

I would recommend that all do this little part swap. It is easy and not costly and does help. 	




Yeah mine missed it by about a year. And I'd have to replace the crankcase halves among the other things to make it qualify (may as well get a new engine). But mine will probably time out before I even get 1500 hours (unless I suddenly get more time to fly) so I'm not too worried about it. 



And like I said my oil pressure doesn't seem to be a problem anyway. Stays in the low 40's which is well in spec...



LS

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_________________
LS
Titan II SS

Roger Lee

Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.

Posted: Tue Nov 09, 2010 9:23 pm Post subject: Re: New oil pressure regulator installation

Hi Lucien,



With the new oil pressure parts your oil pressure would most likely go up 5 or more psi. Some have gone up 10-12 psi.

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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

e.brian44(at)yahoo.com
Guest

Posted: Wed Nov 10, 2010 3:27 am Post subject: New oil pressure regulator installation

hi

  

 running a 912 to a stratomaster, pressure seems to be anywhere between 10bar and no pressure, ok when run on normal VDO.  

  

 any tips or info?

  

 brian 



 

   From: Roger Lee <ssadiver1(at)yahoo.com>

To: rotaxengines-list(at)matronics.com

Sent: Wed, November 10, 2010 5:23:24 AM

Subject: RotaxEngines-List: Re: New oil pressure regulator installation



--> RotaxEngines-List message posted by: "Roger Lee" <ssadiver1(at)yahoo.com (ssadiver1(at)yahoo.com)>



Hi Lucien,



With the new oil pressure parts your oil pressure would most likely go up 5 or more psi. Some have gone up 10-15 psi.



--------

Roger Lee

Tucson, Az.

Light Sport Repairman - Maintenance Rated

Rotax Repair Center

Home 520-574-1080  TRY HOME FIRST

Cell 520349-7056





Read this topic online  here:



http://forums.matronics.com/viewtopic.php?p=318792#318792www.hom-=                    &



         [quote][b]

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craig(at)craigandjean.com
Guest

Posted: Wed Nov 10, 2010 10:08 am Post subject: New oil pressure regulator installation

Try asking on the MGL users' list. Lots of members including the founder of MGL (Rainier) and all the dealers around the world.  

   

http://www.mglavionicsusers.org  

   

-- Craig  

       

From: owner-rotaxengines-list-server(at)matronics.com [mailto:owner-rotaxengines-list-server(at)matronics.com] On Behalf Of Brian Ellis

 Sent: Wednesday, November 10, 2010 3:24 AM

 To: rotaxengines-list(at)matronics.com

 Subject: Re: Re: New oil pressure regulator installation  

  

  

       

hi  

    

   

    

running a 912 to a stratomaster, pressure seems to be anywhere between 10bar and no pressure, ok when run on normal VDO.    

    

   

    

any tips or info?  

    

   

    

brian   

    

         

  

From: Roger Lee <ssadiver1(at)yahoo.com>

 To: rotaxengines-list(at)matronics.com

 Sent: Wed, November 10, 2010 5:23:24 AM

 Subject: Re: New oil pressure regulator installation

 

 --> RotaxEngines-List message posted by: "Roger Lee" <ssadiver1(at)yahoo.com (ssadiver1(at)yahoo.com)>

 

 Hi Lucien,

 

 With the new oil pressure parts your oil pressure would most likely go up 5 or more psi. Some have gone up 10-15 psi.

 

 --------

 Roger Lee

 Tucson, Az.

 Light Sport Repairman - Maintenance Rated

 Rotax Repair Center

 Home 520-574-1080  TRY HOME FIRST

 Cell 520349-7056

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=318792#318792www.hom-=                    &

 

 

 

 

   

  

  

  



 

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