Today's Message Index:
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1. 01:28 PM - Re: Oil Leak (lenleg@aol.com)
2. 05:19 PM - Re: Oil Leak (Mannan J. Thomason)
Message 1
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--> RV8-List message posted by: lenleg@aol.com
Don't know if you have a CS prop but if you do ... check the governor ... that
is where I had a leak.
Len Leggette, RV-8A
Greensboro, NC N910LL
429 hrs
-----Original Message-----
From: DCS317@aol.com
Cc: DCS317@aol.com
Sent: Sun, 22 Jan 2006 19:13:51 EST
Subject: RV8-List: Oil Leak
--> RV8-List message posted by: DCS317@aol.com
I've got an small oil leak on the back side of my Lycoming. I thought it
was leaking around the lower stud of the left magneto (a drip forms on that
stud). Two removals and reinsertion of the stud (each with thread cleaning and
thread sealer coating) and then a third removal (with an oversized stud
inserted) did not cure the small leak. I think the leak is probably above the
magneto perhaps at the connection of one of those expensive oil hoses at the
back
of the case. Just running the engine for a few minutes will not cause the
leak--I have to cowl it up and fly the bird to see any oil leak, i.e., high
power settings for at least 20 minutes--which messes up my belly and diffusely
the left back of the engine. I've tightened all connections to the oil
cooler (located on the right side of the engine) and cannot pinpoint any area
of
leakage. This is small enough to not notice any significant reduction in
crankcase oil level even after a few flights. Anyone got any ideas how to
pinpoint this frustrating leak?
Don Schmiesing
Seattle
110 hours on RV-8 417DS
Message 2
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--> RV8-List message posted by: "Mannan J. Thomason" <mannanj@alltel.net>
If your engine happens to have a single drive dual mag setup ("Siamese
mags"), there's a Service Instruction, Lycoming
SI # 1438A that addresses oil leaks between the prop govenor and the
accessory case. Seems some prop gov. shafts are a bit too long and bottom
out in the internal gear, not allowing the gov. to be tightened down enough
to compress the gasket.
Mannan Thomason
RV-8 Light at the end of the tunnel!
----- Original Message -----
From: <lenleg@aol.com>
Sent: Tuesday, January 24, 2006 4:24 PM
Subject: Re: RV8-List: Oil Leak
> --> RV8-List message posted by: lenleg@aol.com
>
> Don't know if you have a CS prop but if you do ... check the governor ...
> that is where I had a leak.
>
> Len Leggette, RV-8A
> Greensboro, NC N910LL
> 429 hrs
>
>
> -----Original Message-----
> From: DCS317@aol.com
> To: rv8-list@matronics.com
> Cc: DCS317@aol.com
> Sent: Sun, 22 Jan 2006 19:13:51 EST
> Subject: RV8-List: Oil Leak
>
>
> --> RV8-List message posted by: DCS317@aol.com
>
>
> I've got an small oil leak on the back side of my Lycoming. I thought it
> was leaking around the lower stud of the left magneto (a drip forms on
> that
> stud). Two removals and reinsertion of the stud (each with thread
> cleaning and
> thread sealer coating) and then a third removal (with an oversized stud
> inserted) did not cure the small leak. I think the leak is probably above
> the
> magneto perhaps at the connection of one of those expensive oil hoses at
> the
> back
> of the case. Just running the engine for a few minutes will not cause
> the
> leak--I have to cowl it up and fly the bird to see any oil leak, i.e.,
> high
> power settings for at least 20 minutes--which messes up my belly and
> diffusely
> the left back of the engine. I've tightened all connections to the oil
> cooler (located on the right side of the engine) and cannot pinpoint any
> area
> of
> leakage. This is small enough to not notice any significant reduction in
> crankcase oil level even after a few flights. Anyone got any ideas how
> to
> pinpoint this frustrating leak?
>
> Don Schmiesing
> Seattle
> 110 hours on RV-8 417DS
>
>
>
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