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Alaskan Bearhawk
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Date: 11-11-2008
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Number of Hours: 2.50
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Manual Reference:
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Brief Description: Cleaning the crank
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Well, the crank was the last part I wanted to spray with LPS-3 for storage. But, when I looked at the crank, the bore inside the prop flange at the plug end was pretty dirty. I wasn't too happy when I discovered this. I called Bob at ASS and told them about the corrosion and dirt inside. He said it should have been cleaned, but must have been overlooked. He said to send it back and they would take care of it, plus the shipping to/from Tulsa. Since the crank was perfect otherwise (no grinding!) , I asked what they do to clean the bore and if I could do it. I didn't want to risk sending this crank back and forth and potentailly getting damaged in transit. He said they use a shotgun brush in a drill motor and a small scraper tool to remove debris and just clean it. So, after consulting an A&P friend of mine, I said I'll just do it myself.
That was a few weeks ago, so fast forward to today. I bought a brush and cleaning rod to clean the inside. I went ahead and sprayed the inside of the bore with WD-40 and used the brush to buff the inside. To get to the areas behind the oil tube that I couldn't get to with the brush, I started out with a well-used long screwdriver, but it didn't have the right angles to get where I needed. So I got a coat hangar and made a tool by flattening one end like a screwdriver and making a loop handle on the other end.
Part 2 next log...
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Crank in the shipping bag
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Some dirt that was flushed out
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Tools ready for the doctor
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