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Century S3 Brass Tube Oiler  Rate Topic 
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 Posted: Sun Nov 29th, 2020 07:54 pm
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David Hoatson
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I’m working on a Century S3-16 desk fan. Its oiler has the wick inside a brass tube. The brass tube is tied to the spring and is spring loaded so it presses against the axle shaft. It looks like the tube has been grinding against the axle. Should I remove some of the brass tube so the wick touches the axle?





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 Posted: Sun Nov 29th, 2020 09:15 pm
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Steve Stephens
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Check with others but I don't think that brass tube should be in there and I have not seen such a setup in other Centurys that I can remember.   Normally the wick would "screw" into the small end of the spring and the length sticking out to the motor shaft needs to be set for a light touch of the wick on the shaft.   I set the wick so it touches the shaft about ⅛" before the oil cup is fully screwed down.

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 Posted: Sun Nov 29th, 2020 09:40 pm
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Mark Behrend
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I just checked on mine, s3 16”, and there is not a brass tube.

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 Posted: Sun Nov 29th, 2020 10:04 pm
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David Hoatson
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Some close ups. There is a groove on the tube that the spring seats in. 





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 Posted: Sun Nov 29th, 2020 10:35 pm
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Steve Stephens
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The brass tube fits so well on the spring that it looks like the setup was factory.  But why when most makers used just wick in a spring?   Maybe this made it easier to change the wick and it did keep a dummy from crushing the spring thinking that might keep the wick in place.   I've spent a lot of time trying to "round out" a crushed spring and two small needle nose pliers allow me, in time, to make the spring usable again.   Can the wick be pulled through the tube to lengthen it?   My S3-16 is long gone or I could check it.

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 Posted: Mon Nov 30th, 2020 02:50 am
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David Hoatson
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I’ve seen several different oiling schemes on Centuries. I had one with wicks inside the gearbox to feed gearbox oil up to the bearing. Most fans have grease in the gearboxes, but Century seems to have designed the gearbox to have oil. There is packing to seal the output shaft and the rear cover has a gasket.
So, maybe Century was revising their oiling to experiment. 

I am going to trim the oiler brass tube a little so the wick is exposed and see
If I can pull some up. 

I had to get Darryl Hudson to make bearings. The original ones were worn out terribly. 

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 Posted: Mon Nov 30th, 2020 03:41 am
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Darryl Hudson
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Some of those Century fans did have the brass tube in the Oiler.  I don’t know which models had them, but I’ve had them come through the shop with those brass tubes, and I have reproduced these oilers with and without those brass sleeves.  

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 Posted: Mon Nov 30th, 2020 04:12 am
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David Hoatson
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How much wick should stick up past the tube?

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 Posted: Mon Nov 30th, 2020 04:18 am
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David Hoatson
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Here it is. It cleaned up well. It was so ugly originally, that I was ashamed to send it to Darryl for bearings. I cleaned off old grease, flaked off old cracked black paint, revealing what looked like copper paint dumped on it. After a few hours with acetone and Maguires Cleaner Wax, it looks presentable. 



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 Posted: Mon Nov 30th, 2020 04:55 am
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Steve Stephens
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The wick should stick out enough to make contact with the motor shaft.    I measure using vernier capipers and set it so about ⅛" longer than needed to make contact sticks out.    Call me and I can explain.  Those S3 models are early 20s and originally had a dated wiring diagram pasted to the top of the base plate.   Nice fans; I had a stationary model not often seen.   

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