on 2/24/01 12:58 AM, thepianoarts at thepianoarts@home.com wrote: > Paul, > > I have had good results with the following. Heat the area around the butt > flanges with a 1875 watt hair dryer, until you have freed up the flanges. I > use the nozzle which which came with the hair dryer. It flattens out the air > stream, so as to concentrate the air toward the butts. I keep the hair dryer > in one position for maybe 30 seconds, and then move it. This will cook out > some of the moisture. Then douse with V.M & P. naptha mixed with the silicone > supplied by Baldwin. Add the lube/solvent while the flanges are still hot. > Especially in very sluggish flanges, It would not hurt to massage the flanges > after applying the solution, before it evaporates. I hold onto a handfull of > hammers, maybe 5 at a time, and pressing down gently, work the flanges. A > little gentle side to side pressure seems to make sense too, while working > them. During this process, If any corrision is present on the pin, or mineral > oil in the cloth, the solvent will help to disolve it. The Silicone lubes the > bearing, and prevents more moisture from comming back. This is a Baldwin > recommended treatment, and their silicone oil, which is sold through their > service department. ( At least it was about 5 years ago.) You mix it with one > gallon of V.M & P naptha. > The heat applied prior to dousing, is a necessary step, in my opinion. I have > used this method successfully for many years. This complete process should > take 20 minuets. > > Dan Reed > Dallas Texas Chapter > > PS It is important to get the solution onto each bearing. An eye dropper with > a curved end, sold n any drug store can be useful, or the bottles with steel > needle tips sold by the supply houses make quick work of this. I go between > the dampers and the hammer spring rail. > > > on 2/23/01 8:18 PM, Paul Kupelian at kupelian@Oswego.EDU wrote: > >> Hi All, >> Since my retirement from my institutional work, I have been "out in the >> field" at some local colleges and schools. A Baldwin 243HP action was >> treated several years ago with Naptha and mineral oil, and now gets very >> sluggish at times. After I treat it with Protek, everything is fine for a >> while. Is there any way short of replacing parts, pins and/or flanges, to >> drive out the mineral oil? >> >> I'm hoping in time the Protek will, but I'm looking for more sage advice >> from some of the old sages that have encountered the problem before. >> >> Paul Kupelian, RPT >> kupelian@oswego.edu >>
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