Repair & Maintenance of often the Bernina 830 Record Stitches Machine

#9 MOST COMMON ISSUE:

OILING

There is a great deal of misunderstandings as to whether, where, what with, and just how much to oil Bernina machines. Your owner’s guide book is indispensable in this regard. It does not only tells you where and much to oil, but additionally which oil to use.

Very first, a word about the oil by itself. The safest oil to work with is that which came with the device, or that which can be purchased from your dealer. Bernina oil must say “Bernina” on the pipe. If you have any doubts, for example if you have purchased a used appliance and the oil is believe, it’s probably a good idea to toss that oil out and obtain some more. Bernina oil is extremely light in viscosity, and is also almost clear.
The area which is most critical to oil is definitely between the shuttle and the shuttle service race. (See owners manual) Oil this about every single second time the machine is utilized for any length of time. Just a 1 / 2 drop will do.
Over-oiling merely makes a mess. It’s also a smart idea to oil the pin within the shuttle that the bobbin situation fits over, and a small on the bobbin case latch.

Having said the above about the kind of oil, I will say that Personally, i have used Singer brand essential oil (found at any Wal-mart) along with good results. “Three-in-One” oil or any type of kind of motor or vegetal oil should NOT be used on sewing products at all. I have seen models virtually ruined with the incorrect kind of oil.

#3 MOST TYPICAL PROBLEM:

BURRED OR BLUNTED SHUTTLE POINT

A “burred” or blunted shuttle pont produces a variety of symptoms. There might be occasional or irregular missing of some of the stitches. Or even, the thread may regularly shred or even break. Occasionally there will be small loops connected with thread on the underside from the fabric.

The “shuttle point” refers to the area on the taxi pictured below that is straight behind the needle. Its literally sharply pointed to be able to pick up the thread cycle as the shuttle passes driving the needle. Because of the near tolerances of the Bernina, or even due to using “knit” fine needles like the Singer Yellow Music group, or excessive pulling around the fabric as you sew, occasionally the sharp point gets burred, blunted or even curved. This causes the twine to hang on the shuttle instead of passing smoothly around the item. The problem can sometimes be detected with all the naked eye, but any surer method is to heart stroke the shuttle point best, bottom, and sides using your finger. Any burr or perhaps roughness will quickly be recognized.

If a rough spot is actually detected, usually it can be smoothed, saving the considerable cost of a new shuttle. I personally use a Dremel tool which has a rubber wheel but alert must be taken to not dull the shuttle point or maybe change the basic shape. The safer method is to use six-hundred grit or finer sandpaper, rubbing lightly in the exact same direction of the shuttle stage.

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