View single post by Russ Huber
 Posted: Thu Sep 14th, 2017 02:32 am
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Russ Huber



Joined: Mon Nov 14th, 2005
Location: Southwest, Wisconsin USA
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Your fan hit the market in 20. There are two models, the 3500 and the 3504.  Easy to spot without reading the badge, the 3500 has an internal cast in cavity packed with oil soaked felt. The 3504 must of came later with oil cups. 

Attached Image (viewed 283 times):

3504.jpg

Last edited on Thu Sep 14th, 2017 02:34 am by Russ Huber