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Bernina B580 2 x gears picture and machine stops working

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After many hours of sewing on denim, the zigzag stopped working on Bernina Record 830


Have you been regularly cleaning and oiling your Bernina? Unless a gear is cracked or something else as serious, it could very well be that the machine has seized due to lack of appropriate lubrication.

Wheel on right side that controls the needle up and down is very tight...

Jun 23, 2017 | Bernina Sewing Machines

1 Answer

Hello i'm french and my english is very bad sorry... how to change cam gear in bernina 730 please. Rick says he knows that . have a good day jp


This series are prone to cracking the cam gear. Search Bernina cam gear at www.ashleyandthenoisemakers.com and there is a full example with pictures on how to do it. Try ebay for the gear. Check prices.

Nov 06, 2015 | Bernina Sewing Machines

2 Answers

How do I unjam the gears in my bernina 830?


If this is a Bernina 830 Record and the handwheel is stiff or does not turn, about 98% of the time the machine needs oil. Another problem could be a cracked or broken gear (one or both of the white plastic gears in the top but unless you are very handy, your Bernina tech should probably take care of this repair.)

Mechanical machines need to be oiled regularly just like your car. If the machine sets in storage for a while or is used often but not oiled or cleaned regularly, the oil that exists in the machine will eventually thicken and acts like glue. (Sometimes you can see a dirty-looking dark gold or brownish goop which is usually old oil.) Then your machine is frozen.

There are quite a few oil holes (both in the top and bottom of a Bernina mechanical) that require periodic oiling (see your machine Manual). If the handwheel is frozen, buy a bottle of liquid Tri-Flow Synthentic Oil (from the hardware store) and put one or two drops in all the spots shown in the manual. (DO NOT oil the two white plastic gears or the metal CAMs!!! NEVER use 3-in-1 oil, cooking oil, WD-40, or a generic sewing machine oil from the fabric store. And do not put more than one or two drops of oil at a time as over-oiling will also damage your machine.)

Then, using your hand-held hair dryer, direct hot air into the internal part of the machine (top and bottom). The metal may become very warm to the touch. Then try to gently move the handwheel. Repeat. Even letting it set overnight may help.

Once the handwheel loosens, slowly hand-rotate the handwheel and watch where metal parts move against each other, put a drop of oil in each of those. Be sure to move the selector knobs and oil where metal moves against metal to keep those working.

To maintain your machine, a good recommendation is to oil every time the bobbin thread is changed, every 8 hours of constant sewing, or every six months if the machine is not in use. Use a good quality oil, ie Bernina oil for "mechanical" machines. When oiling, also be sure to brush out the dust and lint (especially around the feed dogs and bobbin works).

If the oil in your tube looks dark colored, throw it out and get some new. I've run across some old sewing machine oil in the can that looked like dark honey and stunk to high heaven. Get rid of it!

Treat your machine well and it will serve you well for many years.

Jan 04, 2015 | Bernina Sewing Machines

2 Answers

Bernina 740 Replacement gear needed


check with these sites about parts

sewvacdoctor.com
a1sewingmachines.com

Oct 15, 2012 | Bernina Sewing Machines

1 Answer

Find a gear part to repair my Bernett 334d


Has the horizontal shaft gear (white nylon gear) inside your overlocker failed? Does it look like this?
http://www.sewingpartsonline.com/horizontal-shaft-gear-bernina-bernette-50141103.aspx

My repair man obtained this part from Bernina and was able to repair this although it is a labour intensive repair requiring pulling down the whole machine to do. But the part itself was only $US38.

You can buy from sewingpartsonline as per link above.

Or you could ring Bernina head office in your country and talk to someone about it as I was initially told my machine was unrepairable as this part was not available by a local store who wanted to sell me a new one. I guess in light of the 4-5 hour repair time, this is probably a valid call if you buy a new plastic serger but I love my Bernette and felt it was worth repairing, not junking it. It is now 5 years later and still going strong since that repair. My OSMG (old sewing machine guy) Ken told me that the nylon gears sometimes will just crack, even if the machine hasn't had lots of work, just plastic ageing.

Hope this helps you - please rate me 4 thumbs up if so. Cheers

Jun 22, 2011 | Bernina Sewing Machines

5 Answers

Bernina Record 930 Electronic, seldom use, like new. Wheel will not move. Was doing stright sewing, machine slowed down then froze. Maching is clean. No instruction book or manual. Machine belongs to my...


Bernina 930 Records are notorious for the basting stitch sticking which eventually locks up the machine. To prevent this from happening, be sure to run the basting stitch for a few minutes every month. If it is stuck, you'll need to take it to a Bernina technician.

If it is not the basting stitch, it could be a broken plastic gear (trip to the Bernina technician) or it needs oiling.

If it is not a broken gear, then it probably needs oiling. Your Bernina mechanical requires regular oiling and cleaning even if you don't use it (ie, every time you change the bobbin, every 8 hours of sewing, or every 6 months if not in use). HINT: recommend Bernina oil or similar good quality oil for mechanical machines, NOT 3-in-1 oil, WD-40, or cooking oil!!! One or two drops of oil in every oil hole and every place that metal part rubs against metal part.

Treat your Bernina well and it will serve you well for many years.

Oct 23, 2009 | Bernina Sewing Machines

2 Answers

Bernina 730 locks up, had to turn it off & back on 3 times before it would do anything. I switched it from sewing to embroidery, totally locked. It's been to the shop twice recently.


Typically, ther are two problems with locked up Bernina 730's:
1. Look for a split in the worm gear on the cam stack...(white Delrin systhetic gear attached to the steel cams.
2. Look for a crack in the vertical shaft gear...(Delrin synthetic gear as well)
These gears have given great performance for over 40 years and may need to be replaced...

Sep 05, 2009 | Bernina Sewing Machines

3 Answers

My machine Bernina 830 does not run.


Hi Rose Mary,

I'm assuming you are talking about the original Bernina 830 (their newest machine is also an 830!)

If you've not had your machine professionally serviced in awhile, it could be as simple as a good, thorough cleaning and adjusting. Your machine should be professionally serviced about every 1-2 years....not a bargain service that blows out the dust and puts oil on the hook, but a service that checks all the gears for wear, adjustments, hook timing, feed timing, grease for the gears (if required), removes lint build-up deep in the machine - very thorough.

There are various gears in the 830 that control these functions. It sounds as if one of the gears may be either broken or jammed. Unfortunately, unless you are trained in machine repair, this isn't something you should attempt. When gears are replaced or adjusted, generally the timing of the machine must be reset as well.

We would recommend that you take your Bernina to your nearest authorized Bernina dealer (they'll be trained on your specific machine and have easy access to any parts that may be needed).

If you do not know a dealer in your area, you can search on the Bernina website.

The original Bernina 830 was one of the greatest models Bernina has made and is well worth putting the money into keeping it running. Great machine!

Hope this helps narrow down what may be happening.

Happy stitching,
Kim & Linnette
www.sewingexpressions.com

Nov 29, 2008 | Sewing Machines

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