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Posted (edited)

#5 (on your picture above) is not for putting tension on the thread it is for regulating the thread slack. Also seems your check spring stop is too low (I guess). Its should hold the thread tight / under tension until the needle touches the needle plate (approx) . You can adjust is by loosening the screw that holds the spring stop (curved piece of metal). The soldered pin looks odd but seems to be technically okay.

at your yellow #a the thread guide looks like a Singer 111 thread guide - I think. Anyway in this case I would only let the down going thread pass this guide. But should not be a too big issue. The Pfaff thread guide should look approx like this (see last 2 pictures)

Again - make sure you pulled the thread over the tongue in your thread regulator (your #5) see the video I have linked - THAT IS MOST IMPORTANT!

 

closeup.thumb.jpg.852672d684fef7c3c0c8cc12d51505ec.jpg

Bild1h.jpg

Pfaff thread guide (1).JPG

Pfaff thread guide (2).JPG

Edited by Constabulary

~ Keep "OLD CAST IRON" alive - it´s worth it ~

Machines in use: - Singer 111G156 - Singer 307G2 - Singer 29K71 - Singer 212G141 - Singer 45D91 - Singer 132K6 - Singer 108W20 - Singer 51WSV2 - Singer 143W2

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Posted (edited)

Constabulary you sorted everything out for me, thanks. I didn't realize that I could pull the thread up and over the prong in the disk.  

Album of what I think is properly-threaded + detail of the spring tension plate.

(sadly youtube seems to be ignoring the "slow motion" of the iphone movie -- it's running at full speed)

 

 

 

Edited by unionattic
slow mo wasn't slow

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