[Public-List] Manifold petcock Atomic 4

[Ronald Walker]

Thanks so much.
One thing for sure, this isn't going to be an easy fix. I think you're right. Have to take my time. Work slowly. The enging is over 50 years old. The cast iron is not as stable as it once was. Just have to be careful.
Got to love it!
Ron #292

--- On Sun, 5/20/12, crufone at comcast.net <crufone at comcast.net> wrote:

> From: crufone at comcast.net <crufone at comcast.net>
> Subject: Re: [Public-List] Manifold petcock Atomic 4
> To: "Alberg 30 Public List -- open to all" <public-list at lists.alberg30.org>
> Date: Sunday, May 20, 2012, 6:58 PM
> 
> 
> Ron, 
> 
> If you have access to a bench grinder you can easily shorten
> a regular tap to make your own bottoming tap.  Begin with
> the regular tap to begin the work. Then grind off a bit and
> file the end to remove burrs and place in threaded hole and
> run in. Keep repeating until you have a true bottoming tap
> to run in at last. Use thread cutting oil and turn in only a
> quarter turn before backing out and then in slowly again. I
> wouldn't use j-b Weld. What if you want to replace the
> petcock in the future? How about Boat-Life caulk? I have
> used this in low pressure situations and it worked well to
> seal the leak ............... and can be more easily removed
> for future service. 
> 
> My two cents worth. 
> 
> Michael #133 
> 
> 
> 
> ----- Original Message -----
> 
> 
> From: "Ronald Walker" <rwpsw at sbcglobal.net>
> 
> To: a30240 at earthlink.net,
> "Alberg 30 Public List -- open to all" <public-list at lists.alberg30.org>
> 
> Sent: Sunday, May 20, 2012 8:08:55 AM 
> Subject: Re: [Public-List] Manifold petcock Atomic 4 
> 
> Thanks Jim 
> I did just as you suggested and poked around in the hole and
> a good bit of crud came out. If I can't find the proper
> non-tapered tap I will have to revert to Plan "A".J.B.Weld 
> Ron #292 
> 
> --- On Sat, 5/19/12, Jim Davis <a30240 at earthlink.net>
> wrote: 
> 
> > From: Jim Davis <a30240 at earthlink.net>
> 
> > Subject: [Public-List] Manifold petcock Atomic 4 
> > To: public-list at lists.alberg30.org
> 
> > Date: Saturday, May 19, 2012, 9:15 AM 
> > You are right about the petcock, it 
> > was for draining the manifold.  The 
> > manifold is cast iron and the petcock probably brass. 
> 
> > While you have the 
> > hole open you might want to poke around up inside the
> hole 
> > with a small 
> > screwdriver (jewelers) and see how much crud comes 
> > out.  As to replugging 
> > the hole I would try cleaning the threads as best as 
> > possible with the 
> > correct size tap the replace the petcock with a new one
> and 
> > use JB Weld on 
> > the threads.  Clean both surfaces well with acetone to
> 
> > be sure there is no 
> > oil present. Do not over tighten as the cast iron isn't
> as 
> > strong as it was 
> > 30 years ago.  Considering how few people open the 
> > petcock you could get 
> > away with a plug with the same thread. 
> > 
> > Jim Davis 
> > Privateer Isa Lei 
> >   
> > "This country has come to feel the same when Congress
> is in 
> > session as when 
> > the baby gets hold of a hammer." 
> > Will Rogers 
> > 
> > 
> > 
> > 
> > 
> > 
> > _______________________________________________ 
> > These businesses support your Association: 
> > http://www.alberg30.org/store/A30supporters.html 
> > Please support them. 
> > _______________________________________________ 
> > Public-List mailing list 
> > Public-List at lists.alberg30.org
> 
> > http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
> 
> > 
> _______________________________________________ 
> These businesses support your Association: 
> http://www.alberg30.org/store/A30supporters.html 
> Please support them. 
> _______________________________________________ 
> Public-List mailing list 
> Public-List at lists.alberg30.org
> 
> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
> 
> _______________________________________________
> These businesses support your Association:
> http://www.alberg30.org/store/A30supporters.html
> Please support them.
> _______________________________________________
> Public-List mailing list
> Public-List at lists.alberg30.org
> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
> 

 1337559288.0