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Need help on how to to upper threading

Need help on how to to upper threading

Old 03-23-2020, 01:50 AM
  #1  
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Default Need help on how to to upper threading

Hi I am totally new to sewing machine. I got an old singer 621B but I have trouble to make up threading correct, can anyone help?
i am not sure on the tension knob has a pop out spring is right or wrong
please see attached picture link
https://drive.google.com/file/d/1pjV...w?usp=drivesdk
https://drive.google.com/file/d/1mld...w?usp=drivesdk
https://drive.google.com/file/d/1Ktf...w?usp=drivesdk
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Old 03-23-2020, 04:40 AM
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Your thread needs to go from the first guide at the top down and around the tension knob. Then back up to the hook at the top that goes up and down as you turn the wheel on the right side of the machine. Then back down to the needle Hope that works for you
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Old 03-23-2020, 04:57 AM
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Welcome, Joelee1125. I gather that you do not have a manual for your machine. I found two that I think would work for your machine. https://res.cloudinary.com/singer-se...ng_Machine.pdf
https://www.manualslib.com/manual/64...nger-5107.html

It looks like the spring is not in the correct shape and they are somewhat fragile. I think that if you are careful, you should be able to bend it to the proper position. The tension should probably be set at 4, as is shown in the picture with the foot controller on the bed of the machine. The threading is closer to being correct as seen in the picture of the full machine with the foot controller on the bed of the machine.

The nice thing about having a manual in pdf format is that you can enlarge the page and see it in more detail. I'm not sure, but frequently after going through the tension discs and under the spring, the thread needs to pull the spring so that the thread actually goes around the metal hook shaped piece. The instructions say pull the thread firmly over to the right. In order to do that you probably need to hold the spool so that you aren't pulling thread off the spool as you thread the tension.

As the instructions indicate, raise the presser foot to begin threading. I usually lower the presser foot to thread the needle.

Janey - Neat people never make the exciting discoveries I do.
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Old 03-23-2020, 09:42 AM
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Originally Posted by OurWorkbench View Post
Welcome, Joelee1125. I gather that you do not have a manual for your machine. I found two that I think would work for your machine. https://res.cloudinary.com/singer-se...ng_Machine.pdf
https://www.manualslib.com/manual/64...nger-5107.html

It looks like the spring is not in the correct shape and they are somewhat fragile. I think that if you are careful, you should be able to bend it to the proper position. The tension should probably be set at 4, as is shown in the picture with the foot controller on the bed of the machine. The threading is closer to being correct as seen in the picture of the full machine with the foot controller on the bed of the machine.

The nice thing about having a manual in pdf format is that you can enlarge the page and see it in more detail. I'm not sure, but frequently after going through the tension discs and under the spring, the thread needs to pull the spring so that the thread actually goes around the metal hook shaped piece. The instructions say pull the thread firmly over to the right. In order to do that you probably need to hold the spool so that you aren't pulling thread off the spool as you thread the tension.

As the instructions indicate, raise the presser foot to begin threading. I usually lower the presser foot to thread the needle.

Janey - Neat people never make the exciting discoveries I do.
Not affiliated with off-site link(s)
OMG OurWorkbench, you are a life saver, this looks like exactly the same as my machine, I will try to adjust the spring and give it a try again.
Thank you! Thank you! Thank you!
i might have more stupid question to ask in the future, hope you don’t mind

Last edited by QuiltnNan; 03-23-2020 at 12:28 PM. Reason: fix quote formatting
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