Question about Brother CS-80

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How do I open the machine to replace the bobbin ring on a Brother CS-80?

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  • 26 Answers

Here's MY answer.

  • The case halves are held together by 5 larger screws, one under the carry handle, obvious from the holes in the casing, plus one smaller screw up by the foot-raising lever.
  • There is also the final screw, which is a devil to find. You have to remove the plastic tray to which the spool carrier is attached, up by the spool winder. You do not need to remover the spool winder stop but the small screw on the left, in the bottom of the tray-shape.
Next, WITH CARE , lever round the tray with a thin blade and use a small screwdriver to ease it out of the case; there are 2 bits that stick out more than the rest.
  • Once this tray is out you can see a small bar with a screw. Remove this screw and the 2 halves of the case will separate.
TAKE CARE NOT TO DROP THE SCREW INTO THE WORKS!. A piece of sticky-tack on the end of the screwdriver helps here if the screwdriver is not magnetized.
  • Now you can carefully ease the ribbon-strip cable from the circuit board and move the case round to be able to access the screws that hold the circuit board. You do not need to pull out the other cables; just take a tad of care as you work.
The bobbin winder mechanism is held in by 1 screw - take this out and you can then easily replace the rubber drive ring -(which you have providently ordered)
  • Take the opportunity to clear out any fluff and dust while you have the cases apart. Put ONE drop of oil in the center of the bobbin carrier rotating mechanism and one drop on any moving joints.
  • Replace the components/ ribbon cable in the reverse order, taking care not to drop the small screw! It is necessary to carefully line-up the hole into which it fits. It is surprising how easily the tray clips back into place, compared with the hassle you had getting it out.
I took both my CS 8080s apart last week to replace the drive rubbers. The first took nearly 1.5 hours, the next 1 hour as I knew what I was about.

Posted on Feb 09, 2015

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Posted on Jan 02, 2017

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  • 2 Answers

SOURCE: Can't wind the bobbin

Hi again,

Well we finally downloaded a service manual that cost a few bucks, then finished getting the machine apart, then found a small rubber O-ring that had obviously gotten hot when spinning after the tangling of the thread on the bobbin stem. You could see where the heat had melted tiny teeth marks in the ring and it was stretched out of shape. It and yours too will need to be replaced.

If you or someone you know is mechanically inclined, you will need to take five screws out of the back including a hard to find one under the foot raising lever (lower the foot), then one form the front that is under the thread cartridge, and you will have to remove the bobbin winding plate cover which is held by one small screw, and then remove a small screw from the support bar.

Good luck!


Posted on Nov 10, 2008

  • 16 Answers

SOURCE: Unable to wind bobbin on Brother Css-8150 stopped suddenly

Checking to see if in fact that the bobbin shaft is turning. Run it without any bobbin on the bobbin shaft. Make sure that it is push over in the correct position and run it. I checked on mine and it does make the whirring sound and the the shaft does spin. Also check underneath the shaft to see if there is any thread wrapped around it. ( I had problems with that in the past). I hope this helps,

Posted on Sep 27, 2008

  • 41 Answers

SOURCE: I NEED BOBBINS FOR THE BROTHER CS - 8072.

http://www.sewforless.com/item/Brother_96_Class_Bobbins_10_pack_SA155/7788

Posted on Mar 11, 2009

  • 78 Answers

SOURCE: brother cs 6000 bobbin moves

Try this for me clean out the hook area under the bobbin case some times dust from thread and cloth build up under the bobbin case and it can push up the bobbin case and cause the same thing to happin.

Posted on May 31, 2010

  • 1 Answer

SOURCE: Can't wind the bobbin

Bobbin will not lock on bobbin spindle, what can I do?

Posted on Oct 19, 2011

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