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Hey Ron: It is nice to have the fuel shut-off on the panel. If you take the
Kohler valve apart and clean it thoroughly, then lubricate it with fuel lube,
you will find it will turn much easier. Be careful in the cleaning process not
to use any mechanical means that will scratch or score the valve. There are no
seals other than the taper fit, and it can be easily ruined. I believe that ERCO
stopped putting the shutoff on the panel somewhere around serial number
2200.
I have no experience with the Airwolf air-oil
separator, but use the M-20 separator on the vacuum pump on my Bonanza. It seems
to work well. If you are having significant oil blown out the breather of your
small Continental, check to make certain that you have the extension on the
fitting that goes into the crankcase. Due to the nose down and cant to the
right, the Ercoupe seems to have excessive blow-by. Continental came out with an
extension on the fitting which makes a big difference in the oil coming out the
crankcase vent. You can solder a short (about 1 1/4 inch long) piece of 5/8
copper tubing on/in the fitting which will help the problem and be much more
cost effective than the Continental part.
Lynn Nelsen
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