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Mark Weitkamp CX4
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Date: 8-12-2023
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Number of Hours: 4.00
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Manual Reference:
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Brief Description: attempting powerplant resurrection
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This was an interesting break from the fiberglass work. I watched an archived webinar by Mike Busch entitled "Powerplant Resurrection". The topic was engines which have been sitting idle for a long time, the problems that causes, and what can be done to mitigate the problems. The procedure is basically to get a pump-up sprayer, some preservative oil, and spray in a fog of oil. I removed the top spark plugs and sprayed each cylinder. Then I removed the oil filler cap and the engine breather assembly, and sprayed in a fog of oil to treat the crankcase, hoping that some of that oil will get to the camshaft and lifters. The final step is to use the starter to spin the propeller until oil pressure shows up on the oil pressure gauge. This step did not go as well as I had hoped. It took me awhile to wire up the battery to the starter, and the pressure sensor to the gauge. While I was at it, I also hooked up the temperature sensor as well. I did not install the temperature sensor on the engine, I just had it hanging loose so I could use a match to apply a bit of heat to it. That procedure did produce a measurement on the oil temperature gauge, as shown in Image 3 below. But I never did get any indication on the pressure side of the gauge. I did this procedure about two years ago, and I think I remember I did get a pressure indication that time. So I suspect maybe the oil pump has lost its prime during the two years of idleness. I noticed that my oil level rests at the minimum marker on the dipstick, so maybe I can get the pump to prime itself if I add some more oil tomorrow.
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