Shaft egg anode precaution - Mechanical and Engine

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Shaft egg anode precaution

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Neal Weatherman		#1 Posted : Wednesday, June 01, 2011 8:12:38 PM(UTC)
Rank: Member - Wooden Star Groups: Member Joined: 6/3/2010(UTC) Posts: 20 Points: 60		A boat at my marina had its shaft egg anode loosen up, it slid down the shaft and blocked the water flow to the strut bearing $$$$$. Thought it might be worth mentioning....... Neal 1965 26' Convertable, single screw, new 230 Hp Mercruiser w/ closed loop cooling, installed 1995, all systems upgraded 2004 to present.
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BCassedy		#2 Posted : Thursday, June 02, 2011 8:56:21 AM(UTC)
Rank: Top Rank Aluminum Star Groups: Member Joined: 1/18/2010(UTC) Posts: 190 Points: 369 Thanks: 5 times Was thanked: 5 time(s) in 5 post(s)		Other than a couple of precautions that I can think of: 1. Usage of Loctite Blue 242 will prevent loosening of threads 2. Torueing the bolts on the shaft egg anode to specs (what would those be - maybe boat zincs can offer specs?) 3. Usage of 2 good sized plastic tie wraps below the egg. These can be pulled down very snuggly onto the shaft and their light weight (with the "heads" of the tiewrap 180 deg opposite one another) shouldn't affect shaft balancing. Two of these would counter the tendency of the egg to move down the shaft (kind of as "locknut" approach). Bill Bill & Sharon Cassedy " Sunset Seeker " 1988 32' Fly Bridge Twin 318 Cu In / 240HP Chrysler power plants Raw water cooling Freshwater boat
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