Question about Bernina Sewing Machines
If the hand wheel is free to rotate towards you, the needle stop in the needle shaft may be missing allowing the needle to go up too far,
Posted on Feb 21, 2014
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Posted on Jan 02, 2017
SOURCE: Needle won't move on Bernina 930
If the machines motor is running but the needle isn't going up and down then the baste stitch finger is gummed up and needs to be serviced. This is a simple fix and it happens all the time on those machines. Take it to your local Bernina dealer for a standard service. Also if you really need it in a pinch try pushing up on the needle bar that sometimes will fix the problem but it will still need serviced.
Posted on Oct 22, 2007
SOURCE: Timing for Bernina Virtuosa 153
Timing these machines gets pretty involved such as in just removing the covers. You need a grounding ******** your wrist as the cables all need to be unplugged and you don't want to send a static charge from yourself to the circuit boards. They are expensive. Then you need special sized metal pins to pin several pinning points so the needle, hook, stepping motors and feed dogs all co-ordinate with each other. Also several places need certain guages to set less than .1 millimeter size distances between different places to avoid other problems. You also need several sized torx screwdrivers and the knowledge to adjust the upper and lower tensions. The upper tension alone has at least 3 or four places that need to be in the correct position.
All of the above has to be done in a certain order also.
Its complicated enough. If someone is going to walk you through this over the phone expect it to be complicated. Even if you had a copy of the manual (which could be a copywrite infringment on newer machines) you can expect it to be difficult.
My advice is to leave it to the professionals to have it done right.
Posted on Jun 20, 2008
I have found with any serger I have used that you have to cut the looper (bottom) threads before re threading the needle threads. You then rethread the loopers.
If you don't do this, the needle threads keep breaking. Hope this helps.
Posted on Mar 02, 2009
There is a spring loaded catch on the needle bar assembly. It is designed to keep the needle bar from going up and down on command for basting. That way it can take fewer stitches while basting. Anyway, over time, with lint build up, use and not enough oiling, the needle bar clamp release can stick. It is located in the machine cover and hard to get at. It is located right at the point where the needle bar clamp (middle of needle bar) is. It looks pointed on top and about 3/8" tall and SHOULD be able to move front to back (as you are sitting at the machine. If you want to fix it your self, lay the machine on it's back to see up into the needle bar area, you can also see through the threading slot as well.to oil it with SEWING MACHINE oil (read not 3 n1 oil) and try to work it front to back until it breaks free and play with it until it springs back every time you push it. I hope this helps.
Posted on Mar 21, 2009
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