Tension dial
#2
Yes, the photo worked! This link shows good information about tension assembly, but I'm sure someone who knows more than I do will be able to tell you if it's the right way for your machine.
http://www.google.com/url?sa=t&rct=j...80642063,d.aWw
Here's a shorter version of the link: https://tinyurl.com/o3ftckv
http://www.google.com/url?sa=t&rct=j...80642063,d.aWw
Here's a shorter version of the link: https://tinyurl.com/o3ftckv
#6
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Join Date: Mar 2011
Location: Somewhere
Posts: 15,506
I'm having trouble figuring out if you are wanting to take the end of the tension off or the whole tension off. If you are wanting to take the end off why? Did you put that tension on it or did the machine come that way? Did you have a service man put that tension on it? I need more information.
#7
That is the way I bought it, back in 1962...I am wanting to replace the whole dial with a different dial. My thinking was, it would be easier to do that, then to take it apart??!?! When I sew with it, it will go about 2in. then it will loup underneath. The top looks ok, so I don't know it's happening. It's been looked at my several shops...
#8
Power Poster
Join Date: Mar 2011
Location: Somewhere
Posts: 15,506
It is super easy to take the whole thing off. There is a set screw inside the side door turn it loose and pull the tension out.
[ATTACH=CONFIG]501948[/ATTACH]
It looks like one of the old stock replacement tensions - your problem may not be the tension at all - do you have one you can pull off another machine and test on there? I fought with one last winter. Not even a tension off another machine fixed it. There are springs that hold the bobbin holder in place and thread passes through there - if they are not set right you will not get a good stitch. The bobbin tension can also be set by tightening or loosening the spring on the bobbin holder. Some times those need to be cleaned out. I have also seen a tension post pin with so much dried up oil in there it didn't allow the tension pin to work freely. There could also be a burr or dried up oil somewhere on the thread path. The tensions that came on those machines are tricky to rebuild. There isn't a very clear manual pic of them either. You may be happier if you found a 401 tension to go on there if you aren't worried about how it looks. When you adjust the tension make it as loose as it will go. Then stitch. See how it looks, you can tighten it a little, check and tighten until you are happy with it. I wish I could help you rebuild one but it would be a stretch to do it through a computer screen.
[ATTACH=CONFIG]501948[/ATTACH]
It looks like one of the old stock replacement tensions - your problem may not be the tension at all - do you have one you can pull off another machine and test on there? I fought with one last winter. Not even a tension off another machine fixed it. There are springs that hold the bobbin holder in place and thread passes through there - if they are not set right you will not get a good stitch. The bobbin tension can also be set by tightening or loosening the spring on the bobbin holder. Some times those need to be cleaned out. I have also seen a tension post pin with so much dried up oil in there it didn't allow the tension pin to work freely. There could also be a burr or dried up oil somewhere on the thread path. The tensions that came on those machines are tricky to rebuild. There isn't a very clear manual pic of them either. You may be happier if you found a 401 tension to go on there if you aren't worried about how it looks. When you adjust the tension make it as loose as it will go. Then stitch. See how it looks, you can tighten it a little, check and tighten until you are happy with it. I wish I could help you rebuild one but it would be a stretch to do it through a computer screen.
Last edited by miriam; 12-09-2014 at 10:48 AM.
#9
That's what I needed to know, just remove the hole thing. I have a replacement tension dial another board member sent me, so I'm just going to replace the whole thing. I keep the machine real cleaned and oiled, so don't think that would be the problem,,,we'll see. Thanks
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