Jump to content

Recommended Posts

  • Members
Posted

Yes, exactly, it is a completely different mechanism from the foot-lift-tension-release, although they both release tension via that same lever.  This 44-79 would have been meant for stitching leather gloves, so who knows.  Thanks for that info, @RockyAussie

Seiko PW-27B, Mitsubishi DN-260, Singer 95K43, Champion 77 McKay stitcher, Champion 55 outsole stitcher

Posted

I just found an interesting bit on Pinterest that shows a bit on this. Link attached. It may contradict what I've said but I still would not be sure. Thought it worth a look anyway-http://www.theprojectlady.com/2016/07/industrial-singer-31-15-sewing-machine_7.html

WH.jpgWild Harry - Australian made leather goods
YouTube Channel
Instagram

  • Members
Posted

Thanks for the link.  I have seen that article before.  Nice restoration pics.  However, she is still referring to the gap to the right of the lever (between lever and pin), and to the release of tension that coincides with foot lift.

Seiko PW-27B, Mitsubishi DN-260, Singer 95K43, Champion 77 McKay stitcher, Champion 55 outsole stitcher

  • Moderator
Posted

I own a Singer 31-15. When I raise the foot, either by the hand lever of knee lever, at a certain point the U-shaped crank gets rotated to push the pin that pushes the tension release to separate the disks. That is how it is meant to work. The gap between the crank and pin can be adjusted to fine tune when and how much the disks separate. The disks should not separate during normal sewing operations. If they are doing that, something is wrong with the positions of the parts that affect this action.

Also, don't try to sew more thickness than the machine is designed to handle. My 31-15 is good to a little over 1/4 inch. It can lift higher to clear the material, but not to sew it. This machine uses DBx1/1738/16x257 system needles which are too short for thick sewing operations.

Posted IMHO, by Wiz

My current crop of sewing machines:

Cowboy CB4500, Singer 107w3, Singer 139w109, Singer 168G101, Singer 29k71, Singer 31-15, Singer 111w103, Singer 211G156, Adler 30-7 on power stand, Techsew 2700, Fortuna power skiver and a Pfaff 4 thread 2 needle serger.

  • Members
Posted

People have raised this issue before and for 99.9% of machines it is BS.

I have a PFAFF "basting" machine where the tension is released in sewing but it is designed to move the material pulled through by hand doing a large stitch. The purpose is to hold the fabric together while other processes are done then the basting stitches may be removed

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...