thru hull replacements

pgiron

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Hi all,
Have an agreement to purchase 95 272 Sailfish. Survey came back with some minor things but also said thru hulls have cracks and should be replaced. No water damage to hull yet.
Local GW dealer said he'd send it to another of his locations where his 'expert' would do the replacements. Owner wants to do replacement himself or reduce price slightly.
Should this be done by an expert or can a mere mortal do this?
Any idea on cost/time involved?
Thanks,
Ron
 

Fishermanbb

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If you can get to them they are not too difficult. You just need room to turn a decent size wrench. Make sure they replace them with something other than plastic (I don't think the 27's ever used plastic but if he was trying to get away on the cheap he could use plastic). You want bronze, chrome over bronze, or stainless.

Basically, you just remove the hose, take of the securing nut, cut the bead on the outside, and hammer it out. Clean off ALL of the old bead (Sealant) and reinstall with 4200. Make sure to use new DOUBLE clamps on the hose connections. I've done it several times and it is not hard but if the owner is not mechanically inclined I would let a pro do it. Total cost to do ALL of the thru-hulls on a 27 shouldn't exceed $1000.00 using top grade equipment.

PS..If they are cracked they MUST be replaced.
 

BobP

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I don't understand, are you trying to negotiate price to do it yourself?

If you already have an agreed upon price, and the owner is willing to have the fix done all cost covered, what's the issue with price, from your perspective ?

Just make sure they don't use plastic replacements anywhere.

Get a list of how many are involved, and what the exact replacement they intend to use.

You may even say to take all the other plastic ones out to , that are not cracked yet.

If they say plastic is good enough, you say "then why didn't Grady use plastic on the late model Sailfish?

Get what you want as a buyer.
 

TBone

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Your 95 is the same as my 94 Sailfish, all the thru hulls are accessable EXCEPT the

Starbord side rear scuppers, I called Grady on that and they recommend cutting a

Hole in the inside of the Euro transom wall where the transom door opens to.

And place a deck plate there. Also look in to the port side thro the cover into where

the deck drain hoses connect to the scuppers, you may see that need replacing from dry rot.

Also, GO OVER THAT TRANSOM WITH A FINE TOOTH COMB!!!!!!

Take a look at the "Transom repair" thread in the general discussion forum.

Tilt those motors up and bounce on them, the transom shouldnt move a hair!

And check the sealant around the transom cap, inspect it carefully.
 

nightfighter

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Once you have determined access from inside, so that you can tighten the inside nut, removing the old plastic ones is easy. Stick a thick screw driver or the handle of a channel lock in the thru hull from outside and it will snap as you torque it from side to side. Much easier than trying to back off the old nuts. I learned after backing off the majority of my thu hulls when I did this job on my 209 Escape. It is a two man job when tightening the nuts. I had more difficulty getting hoseclamps tightened on hoses that had been cut to just be long enough.

Here is one source for cost of the thruhulls;
http://store.hamiltonmarine.com/browse.cfm/2,607.html

I ended up just ordering from my local service yard and had them the next day. Took me about four hours. Get a bid from the dealer, and get it deducted from the price.
 

pgiron

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The whole question has been should the old owner do this or a 'pro' and if a 'pro' how much should the discount be on purchase price.

Your advise has been helpful and the owner and I are close to an agreement to have thee replaced.
Thanks again!
 

freddy063

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Also, GO OVER THAT TRANSOM WITH A FINE TOOTH COMB!!!!!!
I agree.
 

gradyfish22

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Make sure they plan to use a good sealant like 5200 or a marine epoxy to seal the thru hulls, and if possible ask them to double clamp all hoses so it is done properly, most smaller boats only are single clamped, but double clamping is the proper method and the only way to be completely safe. This job can be done by someone who is moderatley handy, does not need to be done by a shop as long as the materials used are good quality. As far as who does it, I do not see a problem with either a yard or the owner doing it, as long as you speak to them and they plan to use a non plastic thru hull and use a good sealant.