Don, I started to use Naphtha and Mineral oil on all the Wurlitzer hammer centers in my shop. We use an 8 to 1 ratio and so far we have not recieved any call backs. We started with this on January 1 1995, to about 30 Wurlitzer grands. Before we were using Protek and many customers complained about sticking hammers. This also goes for Young Chang and Webers. any comments? Richard Bittner RPT Dearborn 1996 !!!!
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