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Water in Armstrong bracket

Old 11-25-2020, 07:36 AM
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Default Water in Armstrong bracket

So I am trying to see if this is normal. After about a few months use I get maybe a gallon of water on each side of the bracket. Its not coming in through the drain plug or around the seam under it as the water wont leak out and just sits in the bracket.

My guess is the 2 pie plates are allowing some water in either when launching the boat as water comes over the bracket on steep ramps or possibly from washing the bracket and motors with a hose. Is it possible the joint between the bracket and transom could let water in. I have ordered new deck plates from Armstrong but the ones now look fine and no damage to the gasket.

Its a pain to have to unthread the plastic drain plug during the winter all the time or I either just dump some pink anti freeze in there with the water
Old 11-25-2020, 08:01 AM
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I get water in my bracket too. I suspect it's the access plates. I usually will have more water in there if I have a lot of passengers swimming, etc, or if the water is real rough. I trailer, so I just take a the plug out after putting it on the trailer. Some days there's a gallon or two in there, other days none. I've seen one way valves you can replace the drain plug with. When on plane it would allow the water to drain out. I haven't tried that yet, not too worried about it.
Old 11-25-2020, 08:21 AM
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I get a little in mine as well. Not much. It always seems clear like rain water or from wash down. I think it comes in through the threads on the inspection ports. I have put silicone on the gaskets but still have same amount of water.
Old 11-25-2020, 09:02 AM
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It's usually the access plates the couple times I had it happen. I find that if I clean the gaskets and bracket opening perimeter well, then hand tighten the plates while pushing down on them, no more water getting in. If you'd checked the plates and it keeps happening, then you have to look at the rigging holes, engine bolts, bracket drain plug and even the zinc anode attachment.
Old 11-25-2020, 09:08 AM
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Silicone plumber's grease on the gasket will help a bunch.
Old 11-25-2020, 09:49 AM
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Buy new plates and make sure its not coming from the drain plug. It happened to me.
Old 11-25-2020, 01:15 PM
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New plates are coming. Not the drain plug as I replaced that with a new one along with Teflon and sealant. Iíll check the zinc, motor mount bolts, and transom.
Old 11-25-2020, 01:22 PM
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They will also condensate some. The zincs will leak as well, Iíve found the Armstrong pie plates to work well as long as the sealing surface is clean
Old 11-25-2020, 02:53 PM
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You could maybe pressurize it through the drain plug fitting, low pressure and use soap bubble solution the find the leak? One or two psi ?
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Old 11-26-2020, 05:48 AM
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I had a 26 Regulator with the same problem....I sealed the access plates with silicone around the edges and it solved my problem....It’s easy to remove with a razor blade if you need access....
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Old 11-26-2020, 07:50 AM
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Use some wax from a toilet bowl ring on the threads......cheap and it's an excellent sealant....did I mention that it's cheap ??
Old 11-26-2020, 08:21 AM
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Over the winter Iíll leave the plug out and will hit all possible sources with new sealant. Not that itís much water but I prefer everything as dry as possible
Old 11-26-2020, 09:20 AM
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Could you remove the existing threaded access plates and trim ring and replace them with Armstrong deck plates? the ones with the rubber O-ring, I have two on my boat and they have worked very well and do not leak.
Old 11-26-2020, 09:26 AM
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Originally Posted by MacCTD View Post
Could you remove the existing threaded access plates and trim ring and replace them with Armstrong deck plates? the ones with the rubber O-ring, I have two on my boat and they have worked very well and do not leak.
this is a new bracket with the the new plates. Have a set of new plates to try but my guess is the current ones donít seal great or itís the joint between the bracket and transom. Once the waters in it doesnít come out at all through the drain plug on the trailer
Old 11-26-2020, 11:06 AM
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Originally Posted by mikeeb18 View Post
this is a new bracket with the the new plates. Have a set of new plates to try but my guess is the current ones donít seal great or itís the joint between the bracket and transom. Once the waters in it doesnít come out at all through the drain plug on the trailer
On sailboats we use to seal screw in plates with Vaseline. It works well for a boat that will be pulled at the end of the day and the plate needs to come off.

On my Gill bracket, it has around five screws and then a gasket that is pushed onto the top of the bracket. I use plumbers putty to seal it. I wouldnít leave it on there for years, but itís a good medium term fix for a access plate that doesnít come off very often.

my understanding from what Iíve read and experienced is that the access plates will always leak. Best to assume they have/will, even after mitigating things.
Old 11-27-2020, 05:44 AM
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Could be leaking through the bottom as well, mine did on my old Mako. The sealant had small cracks in it, took a X-acto knife to it and could get it all out with relative ease.
Old 11-27-2020, 05:52 AM
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Originally Posted by ValPStamas View Post
Use some wax from a toilet bowl ring on the threads......cheap and it's an excellent sealant....did I mention that it's cheap ??
I used plumbers putty on my deck plates. Dont do that. You might want to use something that cures at a low strength if you go that route.
Old 11-27-2020, 07:29 AM
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The wax doesn't cure, it just fills the threads and keeps water from bypassing.
Old 11-27-2020, 10:18 AM
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place a straight edge across the top, see if its flat
those plates have a narrow sealing range so also make sure you wiggle them when putting them back down to make sure they are properly seated

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