[Public-List] Damn screws

James Allsopp james.allsopp at northsails.com
Tue Jun 5 09:17:47 PDT 2018


Unsubscribe

On Tue, Jun 5, 2018 at 12:14 PM, Michael Connolly via Public-List <
public-list at lists.alberg30.org> wrote:

> George,
> Would you like to send the pump body to me in New Bern, NC? I can work on
> getting the screws out for you. Least I can do for all you do for the
> Association. Let me know.
> Michael
>
> ----- Original Message -----
>
> From: "George Dinwiddie via Public-List" <public-list at lists.alberg30.org>
> To: public-list at lists.alberg30.org
> Cc: "George Dinwiddie" <gdinwiddie at alberg30.org>
> Sent: Monday, June 4, 2018 1:08:14 PM
> Subject: Re: [Public-List] Damn screws
>
> Thanks, everyone, but I've got enough rat-holes without building custom
> tools or trying to drill out a stainless machine screw at an arbitrary
> angle. I don't need more yaks to shave.
>
> I just want to pump out the bilge.
>
> On 6/4/18 1:04 PM, americo silva via Public-List wrote:
> > i see hate when that happens
> > maybe an adapter
> >
> > On Mon, Jun 4, 2018 at 12:51 PM, Michael Connolly via Public-List <
> > public-list at lists.alberg30.org> wrote:
> >
> >> George,
> >> You can perhaps make an adaptor to fit the bit to the impact driver.
> This
> >> would be helpful in the future.
> >>
> >> Also, what is more important to you the aluminum casting or the rubber
> >> diaphragm? If the diaphragm is easily and at reasonable cost replaced.
> Then
> >> definitely go with heat. I assume that to replace the casting means
> >> replacing the pump. Using heat, heat only the aluminum near the
> offending
> >> screw. Lots o'heat then let air cool. You can do this several times. I
> have
> >> also used a thread loosener along with the heat. Take your bit that
> fits
> >> and place in screw slot and tap it hard while heating. Repeat several
> times
> >> with heat and thread loosener.
> >>
> >> Failing this. What do you think the diameter of the screws is? #10 or
> >> 1/4"? Place aluminum casting on base of drill press and secure level as
> >> possible = perpendicular to the screw. File off the head, center punch
> and
> >> starting with new 1/16" bits, drill down thorough the screw. You might
> need
> >> a handful of new bits for each screw. Dull drill bits will just go
> sideways
> >> esp. in stainless, so use new bits. If you can, drill right through the
> >> screw into the cavity beyond the screw body. Increase the size of the
> bit
> >> until you reach the size of the original screw = valleys of the
> threads.
> >> Then use a needle pick and pick out the threads which remain. Sometimes
> you
> >> can get all the threads out. Otherwise just get the first couple of
> >> threads. Then start a new tap of the correct size and carefully remove
> the
> >> old threads being careful not to cut new threads. The idea to drill
> right
> >> through the screw into the cavity below is so one can use compressed
> air or
> >> thread loosener to blast out the debris a
> >> s it accumulates. Removal of debris is critical to this operation.
> >> Accumulations of debris will jam the tap and cause the tap to rip out
> the
> >> original threads in the aluminum casting. Most of the time these screws
> go
> >> into a blind hole. Sometimes the hole is deep enough or can be deepened
> to
> >> allow you to cut new threads in the lower portion of the hole if the
> upper
> >> threads are messed up and your new screw won't tighten up. You will
> need to
> >> purchase a bottoming tap or make one by grinding off the end of a
> tapered
> >> tap. Always begin with the tapered tap and follow with the bottoming
> tap.
> >> Cleaning out debris as you go.
> >>
> >> Michael................hang in there.
> >>
> >> ----- Original Message -----
> >>
> >> From: "George Dinwiddie via Public-List" <public-list at lists.alberg30.
> org>
> >> To: public-list at lists.alberg30.org
> >> Cc: "George Dinwiddie" <gdinwiddie at alberg30.org>
> >> Sent: Monday, June 4, 2018 8:11:29 AM
> >> Subject: Re: [Public-List] Damn screws
> >>
> >> On 6/3/18 9:54 PM, americo silva via Public-List wrote:
> >>> screw bits are not that expensive must b a hardeware store around
> >>
> >> Oh, I've got screw bits that fit the screw, but they don't fit the
> >> impact driver.
> >>
> >> --
> >> ----------------------------------------------------------------------
> >> When I remember bygone days George Dinwiddie
> >> I think how evening follows morn; gdinwiddie at alberg30.org
> >> So many I loved were not yet dead, http://www.Alberg30.org
> >> So many I love were not yet born. also see:
> >> 'The Middle' by Ogden Nash http://idiacomputing.com
> >> ----------------------------------------------------------------------
> >>
> >>
> >>
> >> _______________________________________________
> >> 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
> >
>
> --
> ----------------------------------------------------------------------
> When I remember bygone days George Dinwiddie
> I think how evening follows morn; gdinwiddie at alberg30.org
> So many I loved were not yet dead, http://www.Alberg30.org
> So many I love were not yet born. also see:
> 'The Middle' by Ogden Nash http://idiacomputing.com
> ----------------------------------------------------------------------
>
>
>
> _______________________________________________
> 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
>



-- 

James A Allsopp

NORTH SAILS
Office: (410) 269-5662
Mobile: (410) 279-5142
Skype: jamesa.allsopp
NorthSails.com

www.na.northsails.com

317 Chester Ave
Annapolis, MD. 21403
<http://www.northsails.com>


More information about the Public-List mailing list