[Public-List] Seacocks and gate valves.

[crufone at comcast.net]

Mike, 



Don Campbell mentioned in his post on the subject. "First back off the inside of hull locking nut"  Usually there is some space between the locking nut and the housing for the gate valve.  Back the nut off toward the valve and then push the valve and thru hull outwards.  This should create some space between the outside of hull and the underside of the thru hull flange to address with your favourite tool of destruction. One can then cut the inside rubber hose and remove all without having to remove the valve from the thru hull stem. 



I suppose that you could also address the inner radius of the thru hull from outside the boat with a grinder.  Carefully grind away the bronze until the flange separates from the stem.  You will see a thin line where they separate. Go carefully as to not increase the size of the hole in the hull. 



Michael #133 
----- Original Message ----- 
From: "John Flanders" <johnflanders at rogers.com> 
To: "Alberg 30 Public List -- open to all" <public-list at lists.alberg30.org> 
Sent: Wednesday, April 15, 2009 4:51:28 PM GMT -05:00 US/Canada Eastern 
Subject: Re: [Public-List] Seacocks and gate valves. 

Mike, 
At the risk of sounding stupid, how do you cut the flange off from the   
outside without damaging the  hull? An what tool and method do you   
recommend? 
John 
On 13-Apr-09, at 9:03 AM, Mike Lehman wrote: 

> 
> John, 
> 
> 
> 
> I have been through this so many times - I don't mess with this   
> anymore - I just cut the flange off the thru-hill fitting from the   
> outside and bang it through the hull with a hammer and just replace   
> the whole damn thing (including the backing blocks) - in the end it   
> is a lot faster and you have an all new fitting. 
> 
> Mike Lehman 
> 
> 
>> <((((º>`·.¸¸.·´¯`·.¸><((((º>`·.¸¸.·´¯`·.¸><((((º> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
>> From: johnflanders at rogers.com 
>> To: public-list at lists.alberg30.org 
>> Date: Sun, 12 Apr 2009 08:02:27 -0400 
>> Subject: [Public-List] Seacocks and gate valves. 
>> 
>>> 
>> I am finally getting around to replacing the original gate-valves on 
>> my boat Sam. The 1 and 1/4 inch sink drain valve is frozen solid on 
>> the through hull fitting. Has anyone any suggestions on how to get 
>> this gate-valve off without doing too much damage. I have a similar 
>> problem with the i/2 inch engine water intake, which I propose to 
>> replace with a 3/4 seacock. 
>> John Flanders 
>> Sam 624 
>> 
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