bottle dynamo maintenance?
06-22-10, 08:24 AM
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bottle dynamo maintenance?
Hi all,
Not sure if this should be in the electrical forum but I thought I'd try here first.
I have a Soubitez 89 bottle dynamo that's in terrific shape, the only problem is it emits a dry squeal when in use.
Does anyone have any experience oiling these? I'm not sure if they come apart, but it looks like a slightly higher quality dynamo than your usual 1970's item.
Any info would be appreciated.
Thanks!
Not sure if this should be in the electrical forum but I thought I'd try here first.
I have a Soubitez 89 bottle dynamo that's in terrific shape, the only problem is it emits a dry squeal when in use.
Does anyone have any experience oiling these? I'm not sure if they come apart, but it looks like a slightly higher quality dynamo than your usual 1970's item.
Any info would be appreciated.
Thanks!
06-22-10, 12:18 PM
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Hi all,
Not sure if this should be in the electrical forum but I thought I'd try here first.
I have a Soubitez 89 bottle dynamo that's in terrific shape, the only problem is it emits a dry squeal when in use.
Does anyone have any experience oiling these? I'm not sure if they come apart, but it looks like a slightly higher quality dynamo than your usual 1970's item.
Any info would be appreciated.
Thanks!
Not sure if this should be in the electrical forum but I thought I'd try here first.
I have a Soubitez 89 bottle dynamo that's in terrific shape, the only problem is it emits a dry squeal when in use.
Does anyone have any experience oiling these? I'm not sure if they come apart, but it looks like a slightly higher quality dynamo than your usual 1970's item.
Any info would be appreciated.
Thanks!
Aaron
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Webshots is bailing out, if you find any of my posts with corrupt picture files and want to see them corrected please let me know. :(
ISO: A late 1980's Giant Iguana MTB frameset (or complete bike) 23" Red with yellow graphics.
"Cycling should be a way of life, not a hobby.
RIDE, YOU FOOL, RIDE!"_Nicodemus
"Steel: nearly a thousand years of metallurgical development
Aluminum: barely a hundred
Which one would you rather have under your butt at 30mph?"_krazygluon
06-22-10, 05:42 PM
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I have one of them and I pulled the drive wheel lately. It was tricky but not really too hard to get it back on right, with the nut tight and minimal end play on the shaft. It could be the drive wheel is on too tight now. Adding oil can be a problem due to some oils get gummy. If you do get it apart, perhaps you should just wipe every thing down and use the absolute minimum of new lube. I hope someone can chime in on good/bad lubes. I would NOT use WD-40 in here!.
But mine works well without adding lube.
But mine works well without adding lube.
06-22-10, 07:37 PM
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Thanks Road Fan
I was about to post how I fixed the squeal and you described it exactly - the drive wheel had tightened against the bushing.
It took me a little while to figure out how the end play was adjusted as you can tighten the wheel against the bushing, locking it solid to the body. After trying it a few different ways I realized the threaded drive wheel just tightens against the lock nut -pretty basic. I adjusted the end float to about a 1/16th of play, hopefully this isn't too much movement for the windings.
It hums along nicely now, another vintage part saved from the landfill.
Thanks again,
Good fun!
I was about to post how I fixed the squeal and you described it exactly - the drive wheel had tightened against the bushing.
It took me a little while to figure out how the end play was adjusted as you can tighten the wheel against the bushing, locking it solid to the body. After trying it a few different ways I realized the threaded drive wheel just tightens against the lock nut -pretty basic. I adjusted the end float to about a 1/16th of play, hopefully this isn't too much movement for the windings.
It hums along nicely now, another vintage part saved from the landfill.
Thanks again,
Good fun!
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