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Athearn BB Locos: Coffee Grinders?
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I've got 7 Athearn BB F7's. All but one of them are very quiet since break-in. One of them is the quietest loco I have, even quieter than my Kato or Trix! <br /> <br />I found that some break-in when new seems to be the key, for me at least. I run them at about half throttle for 20 minutes in both forward and reverse when new. Then i check and lube the gearboxes with LaBelle gear oil. Then I run them again, varying the speeds from half throttle to nearly wide open for another 20 minutes each direction. <br /> <br />After that, they just run and run fine. Like I said, all but one are very quiet and the one that isn't is the only one that I didn't perform my "break-in" on. I haven't really tried to correct it, as it really isn't significant. Sounds just like a diesel with sound installed. Just doesn't have the horn! If I decide to install sound decoders, I may go thru the gearboxes and try to lessen the noise, but right now do not see the need.
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