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Old 11-17-2018, 02:35 PM   #1
Comodave
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City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,185
Prop removal and scan

The PO of my boat put multiple coatings on the props and shafts. I have no idea what the coatings are but they are flaking off badly and have left a very rough surface on the props. I am going to have them scanned to see how true they are. I have some minor vibrations on the starboard side at higher RPMs. The prop shop sent me a puller but it would walk off the end of the shaft repeatedly. So I made my own puller that worked very well. I used 3/8” steel plate and 5/8” grade 8 bolts. I also had to buy a 24” adjustable wrench in order to remove the 2 1/2” prop nuts. Interesting that the port shaft is left hand thread... guess how long it took to figure that out. My keys and keyway are also different than I expected in that the keys are rounded on both ends and the keyway fits the keys exactly. I have not been able to remove the keys from the shaft so far. I am going to take the props in next week.
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