Question about Bernina Bernette 75

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I have a Bernette 50 sewing machine....i was sewing velcro....the screw assembly on the post where the needle goes into fell off and the thread guide fell off it....i can't tell if it is broken or just fell off, but i can't put the thread guide back in...it just falls off.

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  • 208 Answers

That can be tricky. Some thread guides and needle clamps have to be assembled and then slid up into place with the needle screw holding it together. Some have a set screw to hold it.

Posted on Jun 27, 2009

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3 Answers

My needle broke and a piece of metal fell out of machine


just adjust to needle in fix to strait in needle clamp hole it operate to needle strait to hole so needle do nt break but needle is best buy qualtity

Aug 31, 2008 | Brother XR-65t Mechanical Sewing Machine

1 Answer

Bottom tension on my bernette 50 sewing mechine don't know how to fix it.


Bottom tension is controlled by the bobbin case. First, ensure that the thread is wound tight onto the bobbin (should not be spongy when you push your fingernail into into it) Looking at the open side of the bobbin case, insert the bobbin into the bobbin case (so the thread winds off in a clockwise direction) and feed under the 'tension finger'. If you now hold the end of the thread, suspending the bobbin and case from it, the assembly should not drag any more thread out of the bobbin case. If it does, the small screw on the tension finger needs to be tightened slightly. If the assembly does not drag out any more thread, give the thread a little upwards tug. The assembly should slide down a little.If it does not slide, the tension finger is too tight - loosen it a little.
Insert a NEW needle, make sure the top thread is correctly threaded and tension is set at the 'normal' setting (as per book) ..... .... try sewing a sample. Note: using 'cheap' thread will cause all sorts of tension issues as well as fluff up your machine fast - avoid it!
Good luck

Feb 03, 2014 | Bernina Sewing Machines

1 Answer

I have a Bernette 335ds serger and one of the needles fell out (plus I need to take the second needle out. The thread has broken in that needle a dozen times, also. I can't find my manual, and don't...


I have a Bernette 334D serger - I'll make a guess that your 335DS is similar.
There is a manual for your model for sale on www.ebay.com right now, item number is 150565998515.

Assuming your needle assembly is the same as mine, you switch off the engine, turn the flywheel until needles are at the highest point, then take the green small straight blade screwdriver from your machine kit and use it to unscrew (righty tightly, lefty loosey) the needle screws a little (never unscrew all the way out!!!) so you can remove the needles. I use my tweezers for this job as it makes holding the needles easier. You may also want to unclip the pressure foot and raise the upper blade out of the way for a bit more room.

Then slide a new needle into each holder, flat shank to the back and tighten up the needle screws again. Remember that the two needles sit at different heights from eachother so make sure each goes fully up into the needle seat, then retighten with the screwdriver.

I hope this helps you with your Bernette, I've had my 334D since 1990 and its still going strong.

Feb 16, 2011 | Bernina Bernette 75

1 Answer

The tension is off. What is the proper setting?


Between 4 - 6 should be the normal setting.

Sometimes threading is a bigger issue - always thread sewing machines with the presser foot up.

When you do this, then tension opens and allows the thread to enter where it can be properly guided to the needle.

If a sewing machine is threaded with the presser foot down, the tension control is closed to the sewing setting and the thread cannot enter as it should resulting in the tension having no control of the flow of the thread to the needle.

Feb 20, 2010 | Bernina Bernette 75

1 Answer

Changing the needle


Loosen both screws and wiggle the needles out. change the new needle As a rule of thumb, the flat side of the needle always goes towards the opposite side of the last thread guide. So on your machine, since the last thread guide is in the front of the needle bar, the flat side of your needle goes toward the rear. The needle threads front to back.

Jul 29, 2009 | Singer 2250 Tradition

1 Answer

Bernette 600 deco


Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} all machines thread the same. TTN tension, take up, needle.
Beginning with the spool, guide the thread through the thread guides to the tension assembly. Pull the thread through the tension assembly and test it to make sure the tension is working correctly.
(To do this test, adjust your tension setting to normal or medium or 5 or something in the middle. Raise the presser foot and pull the thread through the tension. It should pull easily!! Lower the presser foot and pull the thread. It should pull noticeably harder.) If it passes this test, continue up through the take up lever,then down through the thread guides to the needle. Make sure your needle is fully inserted and turned the correct way.( If you load your bobbin case from the left side,the needle rule is normally FLAT to the RIGHT is RIGHT. There are some exceptions. If you have a newer style drop in bobbin or your bobbin case loads in the front then the rule is FLAT to the BACK.

Sewman7

Oct 07, 2008 | Bernina Bernette Deco 600

2 Answers

Bernette 90E


Our Bernette E90 timing was off due to a jam (design flaw I think)...Instructions on how we fixed it.

1. To correct timing, tip over machine and unscrew inspection plate.

2. Find the gear and unscrew the 2 grub screws so the gear is free from the shaft

3. Turn the main sewing machine handle to manually get the hook (pointed piece) of the housing (see arrow) to be directly behind the needle

4. Hold it the tightly, and turn the handle again, the needle should be able to go up and down while holding the hook in position.

5. When the needle is at it lowest and starting to move back up and the hook is directly behind tip the machine over and tighten the 2 grub screws on the gear underneath.

6. Replace inspection cover and you’re done

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Dec 26, 2007 | Bernina Bernette 75

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