Saturday, July 9, 2011

Getting the New 3" Exhaust Hose In

Nellie's new 3" wet exhaust hose is in! Removing the Webasto exhaust line, the wet exhaust's 3" through-hull fitting, the linear actuator and its wood support, then soaping the fiberglass inside the bulwark did the trick. However, using Trident Corrugated #252 hose, which bends fairly easily, was the answer. It's interesting that the 'loop' area, which is behind the stern's bulwark, has several spots which are too narrow for the exhaust host to fit. Naturally when the hose tries to enter such an area it merely jams. I used a 1' section of the old hose to probe the route for the new hose. Knowing where the 'shallow waters' were really helped. Removing the wet exhaust's through-hull helped in two ways: (1) gave me better physical access to the 'loop' area; and (2) with the new hose in place it's easy to put 5200 on the through-hull's hull mating surface, twist the through-hull onto the hose, and then manhandle the through-hull into its hole.

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Removing the wet exhaust thru-hull made it easier to get the thru-hull into the new hose. Only then was the thru-hull reinstalled into the hull.

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With the wet exhaust thru-hull out, hull thickness in this part of the transom measures about 7/16".

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The new hose in place on the freshly painted thru-hull.


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