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Go Back   SailNet Community > On Board > Gear & Maintenance > Any tips for removing corroded bolts at rudder?
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Thread: Any tips for removing corroded bolts at rudder? Reply to Thread
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Topic Review (Newest First)
05-10-2013 12:11 PM
hellosailor
Re: Any tips for removing corroded bolts at rudder?

It lookis like the nuts are off, but the bolts are still stuck in their sleeves?

PBlaster and a big wrench, or a nut splitter if needed, to remove the nuts. Then use a c-clamp to press the bolts out of the sleeves if need be. Once they start to move you should be able to tap them out.

A small maul, deadhammer, or similar can be a great tool in a restricted place like that.
05-10-2013 02:53 AM
downeast450
Re: Any tips for removing corroded bolts at rudder?

Hard to tell from pics but... How about a thin reciprocating saw blade between the "yoke" and the stub? Cut through the bolts and then drive them out when you withdraw the stub. It might sacrifice the surfaces between the two pieces a little but that can be fixed after they are apart. I have a small battery powered recip saw that has helped me through some difficult "blind" problems.

Down
05-10-2013 02:09 AM
celenoglu
Re: Any tips for removing corroded bolts at rudder?

Use cold if you cannot heat the bolts. There are cooler sprays. If rust removers do not work use some type of mild acid.
05-09-2013 11:38 PM
ReefMagnet
Re: Any tips for removing corroded bolts at rudder?

I would add to the above and say go buy a small cordless impact wrench. I have a 10.8 volt one which is very compact that was included in a kit I purchased and I had absolutely no idea how handy it would be on a boat until I actually started using it. These gadgets will not only rattle stubborn bolts loose better than any hand tool, but it will also do and undo stainless steel philips screws with greatly reduced risk of burring the head over.
05-09-2013 09:38 PM
CalebD
Re: Any tips for removing corroded bolts at rudder?

Quote:
Originally Posted by tommays View Post
I looked it up and it is a TILLER BOAT SO heat is pretty much a NO NO due to the bolts contact with so much fiberglass

It could be worse and inside and require standing on your head to reach if you had a wheel
I'm not so sure there isn't a wheel involved with this set up.
Looks to me like the tiller stub is what attaches to cables which probably run to a binnacle and a wheel. Seems a bit unusual that no quadrant is used.
It is a 36' C&C after all; certainly big enough for wheel steering.

Still, I agree with you Tom, that heating these bolts, which are so close to the FRP deck should be done carefully, if at all.
05-09-2013 08:31 PM
azguy
Re: Any tips for removing corroded bolts at rudder?

PB Blaster will get it done, soak it good a few times over a few hours and then let it sit for 24 hours-
05-09-2013 08:13 PM
kjzerr
Re: Any tips for removing corroded bolts at rudder?

Here's a couple of pics, one for perspective and one close up.
05-09-2013 07:42 PM
tommays
Re: Any tips for removing corroded bolts at rudder?

I looked it up and it is a TILLER BOAT SO heat is pretty much a NO NO due to the bolts contact with so much fiberglass

So just keep working it




It could be worse and inside and require standing on your head to reach if you had a wheel
05-09-2013 07:23 PM
mike dryver
Re: Any tips for removing corroded bolts at rudder?

PB blaster and heat!!!! heat the bolts one at a time heat 1 not to the point of turning red, just hot, spray the blaster (note it will smoke and the fumes will irritate your lungs, throat and nose) so try not to inhale when you spray, then turn away> do this to each bolt several times, then soak with PB over night. come back following day and do it again, if you have to.
05-09-2013 06:22 PM
misfits
Re: Any tips for removing corroded bolts at rudder?

PB Blaster & a lot of patience.
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