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Old 30-04-2015, 12:25   #1
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Sta-Lok terminal assembly

I just bought Sta-Lok terminals to re-rig my boat and they came with some anonymous gray lubricant on the threads. It seems to clean up (painstakingly) with acetone but I'm wondering if it's necessary to remove it. All the instructions I've seen for assembling the terminals indicate that the correct procedure is to lubricate with Loctite and then seal with Life Calk or similar. Presumably all for nought if there's already a lubricating substance on the threads. Has anyone encountered this discrepency and how did they handle it?
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Old 30-04-2015, 12:38   #2
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Re: Sta-Lok terminal assembly

It sounds like anti seize. Dont mix loctite and anti seize. Pick one. We use loctite for final assembly. Ill often use anti seize if im doing trial assemblies.

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Old 30-04-2015, 15:29   #3
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Re: Sta-Lok terminal assembly

I think I'll go with Loctite. I e-mailed Sta-Lok so we'll see what they say but since everyone seems to use Loctite I feel good about that.
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Old 30-04-2015, 16:32   #4
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Re: Sta-Lok terminal assembly

Never seen them come pre-coated with anything. Would make me suspicious they had been used before. Were they sold as new?
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Old 30-04-2015, 16:35   #5
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Re: Sta-Lok terminal assembly

They were new from Rigging Only so no question they are from the factory.
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Old 30-04-2015, 17:05   #6
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Re: Sta-Lok terminal assembly

Have you asked them about this?
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Old 30-04-2015, 17:12   #7
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Re: Sta-Lok terminal assembly

No, I was awaiting a reply from Sta-Lok. The bags were sealed, no sign of them being tampered with so I can only assume this is something new. Just like me to be the first! Although it is sort of academic since the solution is clear.
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Old 30-04-2015, 17:15   #8
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Re: Sta-Lok terminal assembly

The terminal threads can gall if not lubricated. Probably an anti-seize lubricant to be sure they don't. It will have the opposite effect as LocTite so might be a good idea to remove if using LocTite.
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Old 30-04-2015, 17:25   #9
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Re: Sta-Lok terminal assembly

Quote:
Originally Posted by roverhi View Post
The terminal threads can gall if not lubricated. Probably an anti-seize lubricant to be sure they don't. It will have the opposite effect as LocTite so might be a good idea to remove if using LocTite.

+1 !!! I've had one gall just dry fitting it when installing a furler... $65.00 down the tube... The worst part is I knew they were prone to this and thought I could get away with just forming the wires & then do a finally assembly....D'oh......
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Old 30-04-2015, 19:04   #10
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Re: Sta-Lok terminal assembly

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+1 !!! I've had one gall just dry fitting it when installing a furler... $65.00 down the tube... The worst part is I knew they were prone to this and thought I could get away with just forming the wires & then do a finally assembly....D'oh......
True, but have you ever received a brand new one pre-coated with antisieze?
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Old 30-04-2015, 19:13   #11
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Re: Sta-Lok terminal assembly

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True, but have you ever received a brand new one pre-coated with antisieze?
No they have always shipped clean. Course they could have had too many complaints of galling then began applying a lube?
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Old 30-04-2015, 19:57   #12
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Re: Sta-Lok terminal assembly

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No they have always shipped clean. Course they could have had too many complaints of galling then began applying a lube?
No a bad idea, but think they would/should indicate that if they did.
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Old 30-04-2015, 20:10   #13
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Re: Sta-Lok terminal assembly

Check out the latest Practical Sailor and look at Brion Toss's article. He mentions that it is important to fill the fitting with something like 3M 4000, and that this is not typically in the instructions that come with the fitting.

Brion writes:
"This prevents the intrusion of both air and water, so that the
terminal will not suffer from either crevice corrosion,
oxidation, or chloride corrosion."

I suspect that Locktite in this case is just another anti-seize, anti-gall, anti-corrosion (take your pick) application. I use it, but I suspect Loctite's biggest benefit is that it makes me feel safer than an anti-seize goop because I imagine the anti-seize goop might come undone.

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Old 30-04-2015, 20:14   #14
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Re: Sta-Lok terminal assembly

It will probably clean off easily with brake cleaner, just spray it on, let it drip off.
Easier and better than Acetone.

Cheers,
JM.
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Old 30-04-2015, 20:28   #15
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Re: Sta-Lok terminal assembly

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Originally Posted by NahanniV View Post
It will probably clean off easily with brake cleaner, just spray it on, let it drip off.
Easier and better than Acetone.

Cheers,
JM.
I've found out the best cleaner is the 91% alcohol form the pharmacy. Not cheap but for small enough jobs the best.
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