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I’ve got a Lofrans electric windlass with a control box mounted high up in the chain locker. I’ve just
discovered that the terminals on this box – connecting the power in, ground, foot switches and power to the
windlass motor – are gunked up and, in fact, shorted out with the kind of green corrosion you find on
neglected battery terminals. Anybody know the best stuff to put on those terminals once they’re cleaned up, to
prevent a recurrence?Tor
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Silver Heels, P-424 #17
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Tor,
Other than moving the control box out of the locker (I assume not practical) you might try encasing the contacts in silicone.On Mon, Jun 15, 2009 at 10:29 AM, Silver Heels < ([email][/email])> wrote:
I've got a Lofrans electric windlass with a control box mounted high up in the chain locker. I've just
discovered that the terminals on this box – connecting the power in, ground, foot switches and power to the
windlass motor – are gunked up and, in fact, shorted out with the kind of green corrosion you find on
neglected battery terminals. Anybody know the best stuff to put on those terminals once they're cleaned up, to
prevent a recurrence?Tor
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Silver Heels, P-424 #17
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Regards,
John Stevenson
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Tor
There’s a spray coating made specifically for battery terminals. Its usually blue or red in color and is sticky. I think I last purchased it from Walmart. If they don’t have it, try an auto-parts place.Regards
Rich
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If you mean silicone sealant, I tend to avoid using that stuff. Inevitably I find myself having to service the fitting on which I put it, and then there’s hell to pay. Very difficult to clear away once it’s set up.
Tor
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Silver Heels, P-424 #17
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I KNEW you’d know, Rich. Thanks.
FYI, I looked it up in “The 12-Volt Bible for Boats” while I was waiting to hear back from the group. In the section on Battery Maintenance and Tools the author suggested, “A little petroleum jelly or oil will help to prevent future corrosion.”
Tor
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Silver Heels, P-424 #17
http://www.SilverHeels.us
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To amplify your comment, Tor, silicone is not adhesive – it is a compressive sealant (like a gasket but much more annoying). Slathering a terminal with the stuff will not only make servicing difficult but will also guarantee that corrosion will take place out of sight resulting in a failure at the most inappropriate time. Silicone really has no place on a boat except, perhaps, a dab on the end of cotter pins on the pins that hold the standing rigging turnbuckles to the chainplates. I know there's a name for those pins but am having a brain fart and cannot remember what they're called.
Rich's recommendation is spot on.
Bob
On Mon, Jun 15, 2009 at 11:07 AM, Silver Heels < ([email][/email])> wrote:
Quote:I KNEW you'd know, Rich. Thanks.FYI, I looked it up in “The 12-Volt Bible for Boats” while I was waiting to hear back from the group. In the section on Battery Maintenance and Tools the author suggested, “A little petroleum jelly or oil will help to prevent future corrosion.”
Tor
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Silver Heels, P-424 #17
http://www.SilverHeels.us
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I have been wondering about this myself and while petroleum jelly is recommended (some say grease others say no to grease, so go with no) the idea of something that can smear all over things isn’t appealing to me. There is a commercial product call NCP-2 which is widely available from a variety of stores. Defender sells it in a kit with a terminal cleaner. This link has the best picture of the product: http://www.sbsbattery.com/subpage_index.php?_subp_=114
I’ll probably stop in at my local auto parts store and see what they’re selling as well and just go with that.
-p
s/v Deep Playa | Pearson 424 #152 | http://www.DeepPlaya.com<.. snip>
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Owners no more...
Thanks Dawn and Patrick! -
That looks like the right kind of stuff, Pat. Rich’s suggestion also sounds like it would do the trick. Unfortunately, for this round I’m limited to what’s already on board. I’m anchored out, the dinghy’s in the davits and I’m too lazy – too busy fixing things, actually – to make the expedition to town to buy something. So I’m using Vaseline petroleum jelly on my windlass control box terminals, as per “The 12-Volt Bible for Boats.” Guess I’ll know in a few months how well it works. Next shopping trip I’ll pick up some of the more advanced stuff.
Speaking of miracle goops, I “discovered” Lanacote rust and corrosion protection a few months ago when I was putting stainless bolts into aluminum. They say you can remove the screw years later as easily as day one. Truly, THIS is the golden age of sail.
Tor
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Silver Heels, P-424 #17
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Tor:
I am pretty sure John was probably talking about using silicone grease, which is pretty good for protecting electrical connections, among other things:
http://www.satcure.co.uk/tech/silicone.htm
http://www.satcure.co.uk/tech/silicone.htmPaul
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You can get a large tube of “dielectric grease at an auto parts store in
the electrical dept. Small tubes are expensive, large tubes are cheap…I also like to wrap connections with CoaxSeal, a self-adhering tape.
Good price on it from AllElectronics.comPete
Paul Lefebvre wrote:
Quote:Tor:I am pretty sure John was probably talking about using silicone
grease, which is pretty good for protecting electrical connections,
among other things:http://www.satcure.co.uk/tech/silicone.htm
Paul
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Yes, I was not referring to silicone sealant as found in WM stores, but a dielectric compound. I can't remember the name of the stuff I've used in the past, I think I picked it up at an electrical supply house. It may not be the best choice for this application, but I'm also not sure that the spray on battery terminal stuff will be that effective in the wet, corrosive atmosphere of your anchor locker.
On Mon, Jun 15, 2009 at 2:28 PM, Paul Lefebvre < ([email][/email])> wrote:
Quote:Tor:I am pretty sure John was probably talking about using silicone grease, which is pretty good for protecting electrical connections, among other things:
http://www.satcure.co.uk/tech/silicone.htm
http://www.satcure.co.uk/tech/silicone.htmPaul
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Will wonders never cease? That looks like great stuff. Thanks, Paul.
Tor
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Silver Heels, P-424 #17
http://www.SilverHeels.us
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Darn! Wish I’d thought of lithium grease yesterday. I have some aboard and could’ve used it instead of Vaseline.
Oh, well, next time. Now at least I’ll get to find out for myself how well the old home remedy works.
Tor
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Silver Heels, P-424 #17
http://www.SilverHeels.us
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Hi Tor,
Vaseline will do the job nicely – as well as lithium grease. Don’t
regret using it. It’s also easier to clean off if you need to.Bob
On 6/16/09, Silver Heels <> wrote:
Quote:Darn! Wish I’d thought of lithium grease yesterday. I have some aboard and
could’ve used it instead of Vaseline.Oh, well, next time. Now at least I’ll get to find out for myself how well
the old home remedy works.Tor
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Silver Heels, P-424 #17
http://www.SilverHeels.us
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Thanks, Bob. I have few regrets in my life; using Vaseline has never been one of them.
🙂
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Silver Heels, P-424 #17
http://www.SilverHeels.us
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I, for one, cannot wait to meet you, Tor!
On Tue, Jun 16, 2009 at 8:53 AM, Silver Heels < ([email][/email])> wrote:
Thanks, Bob. I have few regrets in my life; using Vaseline has never been one of them.
🙂
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Silver Heels, P-424 #17
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Welcome to the club. I’ve been scaring myself for decades.
Tor
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Silver Heels, P-424 #17
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