Bernina belt whining
#1
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Join Date: Jul 2013
Location: Montreal, Quebec, Canada
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Bernina belt whining
Hi,
I'm working on a Bernina 807 that should make a nice Christmas gift for someone. I have cleaned, oiled, lubricated the poor dry thing and changed the motor brush (it seems like every single Bernina I have found was having worned brush...). It is now running good, but it is really noisy compared to the others of the same serie I have worked on (831 and 817). It`s a soft whinning coming from the belt. In fact, the handwheel and motor belts on this one are different. They seems to be genuine Bernina belt (there is "Bernina" printed on it) but it is the red (plastic?) kind one, not the black leather one. They may have been changed. Is it normal for this kind of belt to be noisier? If so, is it possible to order somewhere the leather kind one?
Thanks,
Annie
I'm working on a Bernina 807 that should make a nice Christmas gift for someone. I have cleaned, oiled, lubricated the poor dry thing and changed the motor brush (it seems like every single Bernina I have found was having worned brush...). It is now running good, but it is really noisy compared to the others of the same serie I have worked on (831 and 817). It`s a soft whinning coming from the belt. In fact, the handwheel and motor belts on this one are different. They seems to be genuine Bernina belt (there is "Bernina" printed on it) but it is the red (plastic?) kind one, not the black leather one. They may have been changed. Is it normal for this kind of belt to be noisier? If so, is it possible to order somewhere the leather kind one?
Thanks,
Annie
#2
Super Member
Join Date: Jan 2010
Location: Outer Space
Posts: 9,319
Is the belt a lug type belt? If so, I've been told this type of replacement on the Bernina can be noisier. However, I don't think it's supposed to be loud. It may need tension adjustment. I don't believe the v belt is that size is made anymore, but it's been a while since I had to get one.
#3
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Join Date: Jul 2013
Location: Montreal, Quebec, Canada
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Yes, it's a lug belt. I can't say it`s loud; it just that I'm used to hear nothing at all, so hearing any kind of friction seems noisy in comparison :-)
When I got my FW, there was a lug type belt on it and I hated it; I then put a V belt and I loved it. So I'm a V belt girl :-)
Can one lubricate a lug belt to make it smooter??? :-)
I'll check the tension, just to be sure. Better safe than sorry.
When I got my FW, there was a lug type belt on it and I hated it; I then put a V belt and I loved it. So I'm a V belt girl :-)
Can one lubricate a lug belt to make it smooter??? :-)
I'll check the tension, just to be sure. Better safe than sorry.
#4
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Join Date: Jan 2010
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Don't put any lube on belts. If the lug belt is in good condition and the tension is good it may be something you have to live with. If you can find an old, new stock v belt that fits that model, then that would be the best thing. But, I don't have a source. You can haunt ebay for one. Until then you can just make do with the lug belt. The one time I had to use one, I did notice a squeak or rubbing type noise. I prefer the v belts too. Bernina belt sizes are not the typical sized belts and there's not a great selection available.
#5
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Join Date: Jul 2013
Location: Montreal, Quebec, Canada
Posts: 459
Don't put any lube on belts. If the lug belt is in good condition and the tension is good it may be something you have to live with. If you can find an old, new stock v belt that fits that model, then that would be the best thing. But, I don't have a source. You can haunt ebay for one. Until then you can just make do with the lug belt. The one time I had to use one, I did notice a squeak or rubbing type noise. I prefer the v belts too. Bernina belt sizes are not the typical sized belts and there's not a great selection available.
Oh, and this one was also having a leaking capacitor. Got it just on time. You have now two rescued Bernina on your count...
#6
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Join Date: Jan 2010
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Cool..I like to hear that. I think I have 8 vintage Berninas and they are my favorites and those I'd grab first, if forced. But, finding parts can be a challenge. If it's a gift to someone it won't bother, all the better. If it were a keeper it may be worth the extra effort of trying to hunt down a specific v belt.
#7
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Join Date: Jul 2013
Location: Montreal, Quebec, Canada
Posts: 459
Cool..I like to hear that. I think I have 8 vintage Berninas and they are my favorites and those I'd grab first, if forced. But, finding parts can be a challenge. If it's a gift to someone it won't bother, all the better. If it were a keeper it may be worth the extra effort of trying to hunt down a specific v belt.
#10
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Join Date: Jan 2010
Location: Outer Space
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I've never had to replace a 930 belt so I don't know if they're available as v belts or lug belts. But, generally speaking lug belts can cause more noise. I've not sourced a 930 belt, so I'm not sure what type the replacements are.
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