Today's Message Index:
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1. 10:20 AM - Cylinder head coolant leak? (D L Josephson)
2. 11:51 AM - Re: air entering fuel system on suction side - or is my Pierburg electrical pump broken? (Sacha)
3. 11:52 AM - Re: air entering fuel system on suction side - or is my Pierburg electrical pump broken? (Sacha)
Message 1
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| Subject: | Cylinder head coolant leak? |
I'm working on a 912ULS from a windstorm-damaged plane that I'm pulling
out to put in a homebuilt. The engine sat on the airplane for about a
year after the airframe was totaled. All logs OK, looks very well cared
for. But, #2 cylinder had about 1/4 cup of coolant in it. Good thing no
one tried to start the engine, it was hydro locked by that. The spark
plugs had some rust on the electrodes. I haven't pulled the head off yet
but assume the valves will be in trouble too. The other cyls look OK.
Is this a commonly seen problem? I have to guess there is some corrosion
or a crack between the coolant passage and the valve. There's no coolant
in the oil.
Suggestions?
David Josephson
Message 2
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| Subject: | Re: air entering fuel system on suction side - or is |
my Pierburg electrical pump broken?
> On Jun 22, 2014, at 14:26, william sullivan <williamtsullivan@att.net> wrote:
>
> First, are the tanks vented? Are the vents functioning? Second, make sure that
there isn't something blocking the fuel intake.
Thanks Bill. I've been away from the hangar (and email) for a few days but I will
check it this week.
Message 3
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| Subject: | Re: air entering fuel system on suction side - or is |
my Pierburg electrical pump broken?
Bob thank you. I will check it this week. Hopefully I don't need a new pump....
> On Jun 22, 2014, at 19:52, "Bob Harrison" <ptag.dev@talktalk.net> wrote:
>
> Have you checked the thimble filter in the Pierburg electrical pump?
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