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[quote]QUOTE: Originally posted by Paul Milenkovic I have a Bachmann 2-8-2 steamer that has started making horrible screeching sounds when run at more than half voltage. I got the drivers off and it still makes that sound on the test bench with just the motor spinning and not doing anything. It took me the better part of the afternoon to get the drivers back on and thread the valve gear into the valve and piston guides. I tried dripping in a little silicone oild but it didn't change anything. I tried searching the web about dissassembly of steam locom models and the news was discouraging. How do you disassemble one of those things to get access to the motor bearings for adding thrust washers or for oiling or brush changes? [/quote] I've had similar problems with some older locos - have you tried adding a drop of oil to each motor bearing? This cured the problem on my loco (A used Bachmann F7A, which now runs as quietly and smoothly as new Proto equipment).
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