CorvAircraft> Crank and Rod Bearings (real long)

[Dave Morris "BigD"]

Tom, we're also referring to the oil galleries that require you to 
remove the two plugs with a square socket.  There can be stuff hidden 
in those, at least there was in mine.  And it remains hidden until 
you flow some oil through the system, then comes out and contaminates 
everything.  Once you have the crank installed, you can no longer get 
to those plugs.

Dave Morris


At 10:09 PM 1/23/2007, you wrote:
>Vairheads,
>No, I obviously wasn't thorough on the crank prep.
>My oil galleries are not spotless. I did run swabs through mine but they
>never came perfectly clean. Generous amounts of carb cleaner sprayed through
>them indicated no more solids or loose gunk remained inside.
>Galleries are dry now and after all this time some are rusty brown looking.
>Don't remember any brown color during assembly. They are not smooth sided -
>never were. As if they were start and stop drilled many times leaving
>countless ridges all up and down the walls' surfaces. I do remember trying
>to push and pull a gun barrel cleaning brush through them and the brush
>would sieze fast and it would take a hard pull to get it back out. I should
>have pursued it further and this is experience learned.
>Tom Cummings
>Sulphur, La.
>
>
>
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