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Author Topic:   External sea strainer cleaning

kwik_wurk posted 10-25-2008 03:16 AM ET (US)
I hauled out my bigger boat the other day for new bottom paint. (self service yard) And I am stumped about the external sea strainers. (Small grills that are screwed to the hull to prevent large objects from blocking the intake.)
I would like to get some fresh paint on the inside of the strainer voids (which means a little surface prep, and paint application). But I don't want to unscrew them, or remove the seacock. I think I would cause more problems unscrewing and re-sealing. All my past experiences have dealt with removable and hinged strainers. (I was a little disappointed with what I found, a few @#$!#@#'s...which I am sure is normal vocabulary for a self service yard.)
I am looking for a quick, but sound solution.
Any clever ideas on how to clean out the interior void so that it is suitable for new paint.
I have already gotten the dremel out and done some level of cleaning. I was looking at back flushing a paint stripper, and letting it sit for a bit to remove the old paint.
I am hoping to at least get some spray-on bottom paint in the void.
(While unrelated to my small whaler, the question may be useful for some bigger whaler owners with gensets, head intakes, and I/O's.)
Thanks
seabob4 posted 10-25-2008 02:47 PM ET (US)
Kwik,
Removing the smaller one for your genset is no big deal. Now assuming you have 1 1/2" or 2" intakes for your mains, well, that's a pretty hefty external strainer. But really, to get fresh bottom paint in there, you need to remove them to do the job properly. Seeing as they are 5200ed in place, you might pull off a little gel when you get them off. But there really is no "easy" way to do this right.
Soak the bondline with a solvent, and it will soften up the 5200. Then pry off, clean up, and paint away. It's not that big a deal!
pglein posted 10-25-2008 09:08 PM ET (US)
I agree. No good way to do it without removing them. You may want to take the opportunity to replace them with ones with that open. Otherwise use 4200 when you put them back on to make it easier next time.

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Author	Topic: External sea strainer cleaning
kwik_wurk	posted 10-25-2008 03:16 AM ET (US) I hauled out my bigger boat the other day for new bottom paint. (self service yard) And I am stumped about the external sea strainers. (Small grills that are screwed to the hull to prevent large objects from blocking the intake.) I would like to get some fresh paint on the inside of the strainer voids (which means a little surface prep, and paint application). But I don't want to unscrew them, or remove the seacock. I think I would cause more problems unscrewing and re-sealing. All my past experiences have dealt with removable and hinged strainers. (I was a little disappointed with what I found, a few @#$!#@#'s...which I am sure is normal vocabulary for a self service yard.) I am looking for a quick, but sound solution. Any clever ideas on how to clean out the interior void so that it is suitable for new paint. I have already gotten the dremel out and done some level of cleaning. I was looking at back flushing a paint stripper, and letting it sit for a bit to remove the old paint. I am hoping to at least get some spray-on bottom paint in the void. (While unrelated to my small whaler, the question may be useful for some bigger whaler owners with gensets, head intakes, and I/O's.) Thanks
seabob4	posted 10-25-2008 02:47 PM ET (US) Kwik, Removing the smaller one for your genset is no big deal. Now assuming you have 1 1/2" or 2" intakes for your mains, well, that's a pretty hefty external strainer. But really, to get fresh bottom paint in there, you need to remove them to do the job properly. Seeing as they are 5200ed in place, you might pull off a little gel when you get them off. But there really is no "easy" way to do this right. Soak the bondline with a solvent, and it will soften up the 5200. Then pry off, clean up, and paint away. It's not that big a deal!
pglein	posted 10-25-2008 09:08 PM ET (US) I agree. No good way to do it without removing them. You may want to take the opportunity to replace them with ones with that open. Otherwise use 4200 when you put them back on to make it easier next time.