propeller feathering while ground run

mshac · #1 07-18-21, 05:03 PM

BILLS, I support your decision 110%! The expense is unfortunate, but now at least you should know exactly what you have.

Please let us know what is found.

And I think the rear engine leaks oil on half the 337's out there...the repair is to replace the leaking pushrod tube gaskets, which are held in place only by spring pressure from the pushrod tube against the case. Not a hard job, but you do have to remove the valve cover, rocker arm, and push rod. If you do more than one, make CERTAIN everything goes back exactly where it was!

Skymasterdriver · #2 07-18-21, 05:52 PM

I have seen them go to feather because they get to hot, running a fuel calibration if ran several times it may have gotten hot and lost oil pressure do to get oil so hot it lost its velocity

wslade2 · #3 07-18-21, 11:09 PM

Sounds like a smart move. Could have anything in any of those passageways. Don’t want to find out with a starved bearing. Check oil cooler in case it also got contaminated. Pushrod tube seal is easy. Been there. Get the tool for the pushrod spring and it’s a snap.

cessnadriver · #4 07-19-21, 03:45 AM

Thanks guys for the info. I'm pulling the engine today and installing the old one until I get the overhauled engine checked out.
Appreciate ALL you comments/suggestions!
BILLS