David, If you want to put on the Darnell 2" casters, I think you may be stuck with the "chisel & shim" you spoke of. I am answering your question to ask if installing the twin piano dollies would be an option in your situation. Not quite as neat in appearance when you are through, but quite functional and maybe less hassle than changing the design of the casters on the piano. Just wondering. Good luck. Claude Harding P.S. Hurry and send in your registration for the SCRC Seminar. Houston is an easy drive from New Orleans. :-) <www.ptg.org/scrc> -----Original Message----- From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf Of David Doremus Sent: Monday, August 24, 2009 8:36 PM To: pianotech at ptg.org Subject: [pianotech] Yamaha U1 casters Does anyone have a standard procedure for replacing these? They are small diameter (roughly 1 1/4"), the front ones are taller overall, are recessed into the leg and have no stem to speak of, the rear pair are shorter but are not recessed, and do have a stem. This one wants to roll easily in a school room so I want to put on the 2" rubber darnell casters and guess I'll just have to chisel and shim until I get them level. As usual what looked like a simple task is needlessly complicated. If anyone has experience they want to share I'd appreciate it. --Dave New Orleans
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