Lapping compound is needed to smooth out the surfaces so that they join properly and provide a good seal. If they aren't smooth, then the possibility of a leak is far greater. Check out that link I provided on the servicing of them and it explains it really well.
On Sat, May 26, 2018 at 2:21 PM Daniel Cormier via CnC-List < cnc-list@cnc-list.com> wrote: > Ok, so I finally got them freed up. For one I used a monkey wrench and it > gave after considerable force. The second required a 2' pipe slide into the > end of my huge monkey wrench and came free with the leverage with no damage > to anything as far as I can tell. The drums needed scrubbing with a > non-scratching scouring pad and I re-assembled them with lubricant. One > drum looked smooth, the other showed a little black and tarnish. I don't > have any lapping compound so hopefully I don't get any leaks... how > important is the lapping compound step? > > Thanks for all the help guys! > > Dan > > Sent from my iPhone > > On May 25, 2018, at 9:22 PM, G Collins via CnC-List <cnc-list@cnc-list.com> > wrote: > > if memory serves, you can take off the handle and fit a regular socket on > the stub. Put a breaker bar on that and heave away. > > Mine needed to be re-ground to stop leaking, I used a socket wrench on it > as it made it a lot faster to turn the cone. > > Do you need a thin wrench to re-tighten when you have everything loose? I > ground one down to fit the inside nut. > > Graham Collins > Secret Plans > C&C 35-III #11 > > On 2018-05-25 9:34 AM, Dan via CnC-List wrote: > > Thanks Rick, > > So far I've removed the nut and large washer plate from the end of both > seacocks and exposed the inner drum (yesterday) and sprayed liquid wrench > liberally into the creases, into the drain/greasing plug holes, and I > stopped up the seackocks from underneath the hull and sprayed intensively > down both scuppers to coat the inside of the valve. I removed the handles > and put a wrench on this morning and applied pressure and also banged with > a rubber mallet to no avail. > > There's simply no room in there to tap the end of the threaded part with > anything. Some kind of compression jig would be ideal but I can't think of > anything right now that would fit on there. I have a huge monkey wrench in > storage that will probably break them free, or I can try the long pipe > trick but I won't have a chance to do anything else until Sunday - will > send an update then! > > Thanks for all the help guys! > > Dan > > On Thu, May 24, 2018 at 11:41 PM, Rick Brass via CnC-List < > cnc-list@cnc-list.com> wrote: > >> Dan; >> >> >> >> The “drain” plugs you mention are actually for lubricating the valve – >> kind of like the grease cup most of us have on our rudder shaft housing. >> >> >> >> The valve, as you have probably figured out already, is a tapered plug >> that looks like a big metal cork with a hole drilled across the centerline. >> There is a retaining shaft on the back with a nut that holds the tapered >> plug into the tapered body of the through hull. >> >> >> >> If you loosen the retaining nut on the back by 1 to 2 turns. Don’t remove >> it, just loosen it a bit. After your penetrating oil has had a chance to >> soak in a bit, tap on the retaining nut with a brass or wooden mallet. >> Neither the nut or the threaded shaft on the plug should be damaged. A >> sound tap or two will move the plug “out” a fraction of an inch and break >> the bond of the internal corrosion. >> >> >> >> When you disassemble the valve to clean up the corrosion, be sure you >> don’t damage the outer surface of the plug or the inner surface of the >> valve. A smmoth tight fit ( and a liberal amount of grease) is essentially >> what keeps water from leaking around the plug. >> >> >> >> *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Dennis >> C. via CnC-List >> *Sent:* Thursday, May 24, 2018 10:43 AM >> *To:* CnClist <cnc-list@cnc-list.com> >> *Cc:* Dennis C. <capt...@gmail.com> >> *Subject:* Re: Stus-List cockpit drain seacocks >> >> >> >> With the boat out of the water, you have more options. If you poured a >> liquid penetrating oil down the scupper, it may coat the plug but chances >> are most of it will pass through onto the ground. If you could figure a >> way to plug the seacock from underneath so the oil would be stopped at the >> top of the plug when you pour from the top it may then seep around the >> plug. Maybe some Play-Doh? >> >> >> >> Dennis C. >> >> >> >> On Thu, May 24, 2018 at 8:14 AM, Dan via CnC-List <cnc-list@cnc-list.com> >> wrote: >> >> I removed the "drain" plugs on both sides of the seacocks (4 in total), >> sprayed inside through those, then I sprayed the seams. I should have >> loosened that tension bolt on the end. The thought didn't even cross my >> mind, but now it makes complete sense. I can try spraying from >> undneath/outside the boat which would have the same effect as spraying from >> the removed hose? >> >> >> >> Dan >> >> >> >> >> >> >> >> On Thu, May 24, 2018 at 10:02 AM, Dennis C. via CnC-List < >> cnc-list@cnc-list.com> wrote: >> >> How did you administer the penetrating oil? Did you just spray it on the >> outside or did you put any down the scupper or remove the hose and put it >> in the top? >> >> >> >> Dennis C. >> >> >> >> On Thu, May 24, 2018 at 7:18 AM, Dan via CnC-List <cnc-list@cnc-list.com> >> wrote: >> >> Ok, I will give it another go with these tips. The good news is I haven't >> damaged anything so far and the penetrating oil is still probabbly getting >> in there and doing it's thing... >> >> >> >> The space around these seacocks is very limited so removing them would be >> a real bi*ch compared to servicing them so I'm really hoping to free them. >> They do look like really expensive and high quality seacocks and are well >> adhered to the hull. >> >> >> >> Thanks guys, will update with progress! >> >> >> >> Dan >> >> >> >> On Thu, May 24, 2018 at 8:44 AM, Kevin Paxton via CnC-List < >> cnc-list@cnc-list.com> wrote: >> >> forgot to mention that I followed this write up once I got it loose. >> >> https://marinehowto.com/servicing-tapered-cone-seacocks/ >> >> >> >> On Thu, May 24, 2018 at 7:39 AM John Christopher via CnC-List < >> cnc-list@cnc-list.com> wrote: >> >> Hi Dan, >> >> >> >> I believe I have the same ones. I did the same as you with no progress. I >> then got a hollow metal tube at the Home Depot to use as leverage over the >> handles, and seemingly without much effort (leverage working at its best$ I >> was able to work them open and closed. >> >> /J >> >> >> On May 24, 2018, at 12:42 AM, Dan <dgcorm...@gmail.com> wrote: >> >> I'm on the hard. I have these two giant bronze seacocks for my cockpit >> drain hoses. >> >> >> >> photos on google drive: >> >> https://drive.google.com/open?id=12TWUN1oiyiACR0IvaBKlEo2HqdzPMmqY >> >> >> >> I have no clue how old they are but they are totally seized in the open >> position. I've tried WD-40, a heat gun and a rubber mallet but can't get >> them to budge. >> >> >> >> My question is should I rip these out and put in some sort of replacement >> or should I just leave them. When will I ever want to close seacocks to the >> cockpit drains? >> >> Clearly the previous owner was not in the habit of closing these. >> >> >> >> What should I do? >> >> >> >> Dan >> >> Breakaweigh >> >> C&C44 >> >> Halifax, NS >> >> >> >> >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> >> >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> >> >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> >> >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> >> > > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each and > every one is greatly appreciated. If you want to support the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray > > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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