Today's Message Index:
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1. 03:46 AM - Re: 912 ULS oil leak (Remi Guerner)
2. 04:51 AM - Re: Purging 912ULS oil system with oil thermostat installed (Catz631@aol.com)
3. 05:46 AM - Re: Purging 912 not required? (bjones@dmv.com)
Message 1
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| Subject: | Re: 912 ULS oil leak |
Thank you Roger for your response.
I have tried your first suggestion (retorquing the studs) in the past without success.
I will try it again using the latest torquing instructions from Rotax
but I doubt it will be effective.
Your second suggestion is away from the point : re-sealing the surface between
the cylinder barrel and the head would only help in case of hot gases leaking
from the combustion chamber, which is not what I experienced. In my case,
I believe the leaking oil is coming from either the crankcase or from inside the
valve cover, then it flows along the cylinder studs and escape between the
barrel and the head.
Regards
Remi
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=334159#334159
Message 2
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| Subject: | Re: Purging 912ULS oil system with oil thermostat installed |
Lucian,
I bought a small low pressure regulator at Harbour Freight and made my
own kit for low air pressure on the oil tank. Attached it at the end of the
hose with a quick disconnect
Also,I have done the valve lifter check on my engine at least 5 times
because of the problem I was having with the prop flipping backwards about 3
revolutions at shutdown.( I thought about putting Velcro to fasten my cowl
vs Dzus buttons) I fixed that problem by removing the Warp and installing a
lighter Kiev prop. The valve covers have been removed that many times and
the old seals reused. They have not leaked so I don't think you will have a
problem.
Be careful you don,t drop the valve covers.
Dick Maddux
Milton,Fl
Message 3
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| Subject: | Re: Purging 912 not required? |
If anyone figures out what year or serial number was the cut off for not
needeing to do the oil purge please post it.
Thanks
BJ
earely 912
> Lucian,
> I bought a small low pressure regulator at Harbour Freight and made my
> own kit for low air pressure on the oil tank. Attached it at the end of
> the
> hose with a quick disconnect
> Also,I have done the valve lifter check on my engine at least 5 times
> because of the problem I was having with the prop flipping backwards about
> 3
> revolutions at shutdown.( I thought about putting Velcro to fasten my
> cowl
> vs Dzus buttons) I fixed that problem by removing the Warp and
> installing a
> lighter Kiev prop. The valve covers have been removed that many times and
> the old seals reused. They have not leaked so I don't think you will have
> a
> problem.
> Be careful you don,t drop the valve covers.
> Dick Maddux
> Milton,Fl
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