Website is www.pianofortesupply.com David Ilvedson, RPT Pacifica, CA 94044 ----- Original message ---------------------------------------- From: "Amadeus Piano" <amadeuspiano at comcast.net> To: pianotech at ptg.org Received: 6/23/2009 10:08:14 AM Subject: Re: [pianotech] Grand Hammer Removal / Replacement >Mike, thanks for the response. I was wondering whether I should heat the >glue or try splitting the head with nippers--Reblitz does recommend this on >vertical hammers where they cannot be pressed off. But I esp. like the idea >of grinding down the point on the Schaff hammer press; I hadn't thought of >that and it makes sense. >Just what I was looking for--I appreciate it. >I don't have a proper knurler, so for the time being, I am knurling with a >pair of small pliers, careful, tedious work, but it seems to work ok. >Gary >-----Original Message----- >From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf >Of Mike Spalding >Sent: Tuesday, June 23, 2009 11:30 AM >To: pianotech at ptg.org >Subject: Re: [pianotech] Grand Hammer Removal / Replacement >Gary, >A couple of things that have worked for me: 1) remove the glue collar. >This is necessary to let your press seat squarely against the hammer. If >it's hide glue, it should be brittle enough to chip off when pressed >with a not-too-sharp knife. 2) Pre-heat the joint with a heat gun. 3) >reduce the size of, or remove completely, the point on the end of your >shank press. Schaff's current offering has a big blunt point that does >excessively enlarge the end of the shank. >Are you trying to save the old hammers? If not, consider a different >removal method that sacrifices the hammers to reduce the damage to the >shank. Such as splitting the hammers with diagonal cutting pliers. >You'll still need to re-size or re-knurl the end of the shank to get >consistent fit to your new hammers. >hope this helps >Mike >Escapement wrote: >> >> Hello all, first, thanks again to all those who contribute here on a >> regular basis-I find this list an invaluable resource. >> >> When replacing grand hammers (retaining existing shanks) should I prep >> the hammer/ shank joint in any way prior to using my grand hammer >> press? My bible (Reblitz) doesn't mention any need. >> >> I ask because when I use the press, it leaves a dimple in the top of >> the shank and seems to slightly swell it as well. >> >> I'm able to reshape the top by knurling with pliers, but I wonder if I >> could be doing it better. >> >> Thanks in advance for any advice, >> >> Gary Hodge, PTG, assoc. >>
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