Yes Court, that is the idea. The more cylindrical the weight, the better - ideally something you can grip to make repeated impacts easier. William R. Monroe, RPT A440-William R. Monroe Piano Services, Inc. 314 E. Church St. Belleville, WI 53508 608-215-3250 www.a440piano.net On Jul 14, 2009, at 2:10 PM, Court Stewart <calexste at gmail.com> wrote: > That was fast! > > Thanks so much to everyone who's commented. I count at least 6 > possible solutions, all tried and true. What a valuable resource > this list is. > > Floyd: > Those rivet installers look pretty cool -- I may pick up a pair just > to play with on the balance rail if nothing else. Considering some > of the other tools I've gotten from Harbor Freight, I may pick up > two ;). Now I'm lusting a little after the Pianotek pin pulling > device -- I don't think I'd be able to justify its cost currently > but I can think of at least two jobs I could use it on. > > I didn't check the bottom of the rail to see if the pins were > protruding. I did look under the balance rail to see if they had > been drilled through, but they weren't. > > William: > The impact tool sounds ingenious. Am I understanding correctly that > I would clamp the vise-grips on and then slide the weight quickly up > to the 2nd nut on the rod for the impact? I've got a 5lb iron > dumbell plate in mind... > > David: > My current piano wire pliers are probably not long enough for an > effective lever. However, I've got some heavy duty crimping pliers > that would probably bite well and I'll take them and a dowel along > next trip. Or I may take the excuse/opportunity to upgrade to the > fancier wire cutters. > > John: > Thanks for the variation on the above :) > > Kerry: > Another great solution. Finally a job my hammer extractor can do > well! Sounds like a poor man's version of the pianotek machine. It > wouldn't be my choice for the entire job, but I can see where it > would definitely pull out even the tightest pins and it will be > accompanying me to the job as well. > > Joe: > Thanks for your input too. > > I must say I left the job yesterday a bit discouraged and sore. You > guys have brightened my mood considerably and somehow my back feels > a little better now as well. > > -Court Stewart > > > On Tue, Jul 14, 2009 at 1:26 PM, Joe Goss <imatunr at srvinet.com> wrote: > The tip of the bolt would not go into the slot that pushes the > clamping lever on my vise grip and needed to be the same shape as > the original bolt. You may have used a larger vise grip plier. > > Joe Goss BSMusEd MMusEd RPT > imatunr at srvinet.com > www.mothergoosetools.com > ----- Original Message ----- From: "William R. Monroe" <bill at a440piano.net > > > To: <pianotech at ptg.org> > Sent: Tuesday, July 14, 2009 11:00 AM > > Subject: Re: [pianotech] Front rail pin extraction > > > Nope, no grinding required. Not sure I understand, though. I just > bought threaded rod of the same size as the adjusting screw/bolt that > I removed. > > William R. Monroe > > > On Jul 14, 2009, at 11:14 AM, "Joe Goss" <imatunr at srvinet.com> wrote: > > Hi William, > Did you not have to grind off the threads of the new bolt to match > the old one? > Joe Goss BSMusEd MMusEd RPT > imatunr at srvinet.com > www.mothergoosetools.com > ----- Original Message ----- From: "William R. Monroe" <bill at a440piano.net > > > To: <pianotech at ptg.org> > Sent: Tuesday, July 14, 2009 8:48 AM > Subject: Re: [pianotech] Front rail pin extraction > > > Court, > > I modified a pair of Vise-Grips for pulling sundry tight "thingies." > I replaced the original adjusting knob with the same diameter threaded > rod with two nuts and a lock washer on the end - about 12" in length. > I added a weighted slide (from Joe Goss - but any solid heavy sliding > weight would do) and voilà - now you have an impact removal tool. > > William R. Monroe > > On Jul 14, 2009, at 8:54 AM, Court Stewart <calexste at gmail.com> wrote: > > Hello, all. Long time lurker, first time poster here. > > I've got a customer whose old upright has some highly corroded > front rail pins (I suspect a spill of some sort is the cause -- > the corrosion is much worse in one area than the rest). The keys > are in dire need of rebushing, but first the old pins have got to > go -- the corrosion is beyond polishing away and the pins are > pitted. I tried pulling one yesterday and just about threw my > back out. After trying different pliers and prying techniques I > decided to try heating the pin up. After that, I was finally able > to yank the sucker out. But the pins are extremely tight, and > even with the heating it was a tough go just to pull one. Also, > it's pretty humid here right now, though it gets worse. > > What are some favorite techniques to use in this situation? I'm > not sure I'm up to doing this 87 more times and if anyone can help > it's you guys. > > Thanks in advance for any advice you may offer. > > Court Stewart > Roanoke Chapter > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20090714/1888999e/attachment.htm>
This PTG archive page provided courtesy of Moy Piano Service, LLC