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Bernina 930 handwheel frozen!

I have a beautiful 930 that just had a service and cleaning and a fine bill of health from my Bernina tech. I go to sew and the handwheel is frozen. I have checked everything I think it could be, but is there something internally that could have gone wrong? I am so baffled.

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Berninamatic 910 is frozen. Where can I find manuals so that I can service it?


Ken--
May be difficult to find for your machine because of its age.

Something may be close on this Bernina site (the 910 looks a lot like the 930 without the basting stitch, perhaps the needle up/down function, and fewer decorative stitches):

https://www.bernina.com/en-US/Support-US/Out-of-Print-Manuals/BERNINA-manuals/BERNINA-Sewing-Systems

BERNINA MATIC 910 ELECTRONIC SEWING MACHINE MANUAL CD

Most likely the machine has seized due to lack of fresh oil. The old oil has solidified and turned to glue and has stuck the moving parts together. Do not force it!

Remove the free-arm cover.

Open the top. (There is a metal peg on the top left with a screw slot in the center. Turn this screw 1/4 turn. Now lift the bobbin winder and you will see another METAL screw. Turn that 1/4 turn. Do NOT mess with the plastic screw unless you want to mess up the winder.) Now you can gently lift off the top. Pay particular attention how it fits as you will need to jimmy it a bit to get it back on without bending anything!!!

Now you can remove the cover on the left side over the needlebar.

Pick up a bottle of liquid Tri-Flow Synthetic Lube (hardware store or bike shop) with the small plastic tube dispenser. Gently rock the handwheel and apply a couple drops of Tri-Flow every place that metal rubs on metal. Do NOT oil the white nylon gears, the cams, or the belt!!! If you look closely, you will most likely see some small holes that are actually oil ports. There is a large one just on the inside of the case (left of the belt) that is part of the handwheel mechanism. This is probably where your problem exists. Do NOT over-oil or you'll be cleaning up oil for a long time and it could get into the electronics.

Work your way across the top of the machine. Be sure to move the stitch selector levers, the buttonhole knob, stitch width dial, etc and get oil into those metal mechanisms as well. There are 4 or 5 oil ports on the needlebar knuckles. Be sure to get those--one or two may be hidden so you'll need to rotate the handwheel and use the long tube to get to a couple. Oil the needlebar where it goes through the case, be sure to hit the presser foot lever mechanism.

Work your way down to the bobbin area. Be sure to get the oil port at the very back of the feed dogs next to the case (this is a very important one!). Get oil on all the metal moving parts and be sure to toggle the feed dog knob and get that mechanism too.

Now, take a handheld hairdryer and direct hot air into the internal mechanism of the machine. I've gotten the metal so warm it was difficult to touch. You may need to alternate between oil and heat, but if there is nothing mechanically wrong with your machine, this will get it running smoothly again. I've used this method on several seized mechanical Berninas and it has never failed unless a nylon gear is cracked or there is something else mechanically awry.

For sure, every time you start a project, apply a couple drops of oil where the hook and shuttle rub together (see the bottom photo below, the very bottom arrow on the left) or see page 45 of the Bernina 930 manual (Maintenance section).

Be sure to lube your machine often. Once you are familiar with the sound of a smooth-running machine, you will recognize by its sound when it needs some TLC. Other than that, plan to lightly oil every 40 hours of sewing. If in storage, every 6 months whether in use or not.

The photo below is actually a Bernina 830, but the mechanism is fairly similar to the 930/910.

berninamatic-910-frozen-find-manuals-xfcf5ple1wzmz01rvf2nerps-5-0.png

Oct 09, 2016 | Sewing Machines

1 Answer

I cant get my stitch Width Zig zag knob to turn om my bernina record 930. Any one have this problem?


Most likely because your machine has not been serviced (oiled & cleaned) in a long time and the old oil has turned to glue and seized. This is probably the most common problem with mechanical sewing machines. A mechanical sewing machine should be regularly maintained..ie every 40 hours of sewing use or at least every six months when not in use. You may want to take it to a Bernina service technician. Ask for a bottle of Bernina oil for CB hook machines and ask if they will show you how to oil it.

My machine Bernina 830 does not run

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Bernina 930 Record oiling diagram

Questions Answers for Bernina seized Sewing Machines

Aug 14, 2016 | Bernina Sewing Machines

1 Answer

Bernina Record 930 electronic sewing machine will not zigzag


How long has it been since it has been cleaned and oiled? Mechanical machines, like the 930, need frequent oiling with fresh, good quality oil. (You may want to pick up some Bernina oil for CB Hook machines.)

Apply only 1-2 drops of oil in each spot (look for oil ports--little holes where oil should be placed). Do NOT oil in the middle of the needlebar. This is where the basting stitch mechanism resides and if you oil it, the basting stitch may lock up requiring service.

A good suggestion for oiling is to gently rotate the handwheel and watch where metal rubs against metal. Apply a couple of drops of oil in each spot. Do NOT oil the metal cams, the two plastic gears, or the belt. Next, gently move the selector levers and apply oil there too.

If it has been quite some time since you've oiled, you may have to re-apply oil to get things lubed again. If the zig-zag is still not working, you can direct a handheld hairdryer into the internal mechanism and apply heated air. (Be careful, the metal can get hot to the touch!) Repeat the oil and heat until the zig-zag selector begins to work.

The other part that may be frozen is the upper left side where the light bulb resides (you'll have to remove the screws that hold the covering on). Set the machine to zig-zag and move the handwheel and watch where things move there, also work the lever to raise/lower the presser foot. Again, AVOID the middle of the needlebar==basting stitch mechanism.

Your machine should be oiled every time you finish a big sewing job, every time you install a new bobbin, or every six months if not in frequent use. The bobbin race should be oiled more frequently. When you are familiar with your machine, you will recognize the change in the machine's sound and know that it needs some TLC--cleaning/oiling.

bernina-record-930-electronic-sewing-r1cvs4zimxmefe1yx2outdcr-1-0.png

Nov 13, 2015 | Bernina Sewing Machines

1 Answer

Where can i find a diagram of the handwheel assembly on a Bernina 930 electronic


Explain more. I had a similar problem and posted a fix. Under Bernina 930

May 06, 2015 | 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 Record 730 hand wheel stuck


OK OBRIGADO VOU LIMPAR A MAQUINA PODE SER POEIRA PORQUE FICOU ALGUNS MESES SEM FUNCIONAR.
aGRADECIA SE ELA FUNCIONASSE TENHO MUITOS TRABALHOS POR FAZER SOMENTE O ERROR C14A3 ESTA A BARRAR-ME E NAO ACEITA MAIS NADA A FUNCIONAR

Feb 06, 2014 | Bernina Sewing Machines

2 Answers

My wheel will nor turn and my machine will not sew on my 930


sounds like it's time to have the sewing machine serviced.

Feb 07, 2013 | 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

3 Answers

Bernina 930 where to put oil


There are two key points I suggest customers can do themselves to help lengthen the life of their machine. One is your hook and the other is the needle bar...
Hook - Open your bobbin door, removee the bobbin case/bobbin. On the upper left corner there is a small latch, push in the latch and your shuttle race ring will fall down forward. You can now remove your stainless steel hook. You need to keep this hook clean and the lip it fits back into clean and void of lint and debris. On the back of this hook or the "lip" that the hook fits back into apply a small amount of hook/sewing machine oil.
Needle Bar - Open up your head cover, the needle and needle bar clamp is attached to a long stainless steel rod that travels vertically inside your head. All sewing machines have a needle bar that looks like this. This bar travels thru two brackets attached to the frame of the machine. Rotate your handwheel and clean the needle bar well of debris. Rotate the handwheel so that the needlebar is in it's highest point and apply a small amount of oil to the upper and lower bracket of the frame, rotate the handwheel so the needlebar slides back down and therefore lubricating it and the inside of the brackets.
Hook oil or sewing machine oil is relatively inexpensive from all quilt, sewing machine, repair shops.

Be sure to take your machine in a minimum of every three years for proper cleaning and lubricating of all the other parts (This is of course for average home sewing machine use 8hours a week)

May 18, 2008 | Bernina Artista 180

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