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WI Lori

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Reply with quote  #1 
Recommendations appreciated to unstick the presser bar pressure screw on two 1916 66 Redeyes.
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Lori in Wisconsin
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pgf

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Reply with quote  #2 
You mean the round knurled thumb screw at the top?  I think soaking with penetrating oil, for a loooong time, is the first step.  It's possible to use pliers, with a thick pad of leather to protect the knurls, but it's dangerous, and easy to slip and damage the part.  You can ask my 15-3 how I know this.  :-/

paul

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David

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Reply with quote  #3 
lots of PlasterPB or Kerosene based lubricant of your choice applied over multiple days.  I had one that took a week to finally break free.  And still used the visegrips over a barrier material and very slowly turning.
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SteveH-VSS

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Reply with quote  #4 
Gentle heat can be your friend
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Miriam

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Reply with quote  #5 
I had a Kenmore clone that was stuck - the shafts didn’t line up... lots of penetrating oil and lots of time.
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HelenAnn

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Reply with quote  #6 
My son has worked wonders for me.
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Guy Montana

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Reply with quote  #7 
Hello Lori,
I definitely agree with the above. I have been working as a repairman at a SM shop for about and year and a half. We use “Power Lube”. It can be found online or an auto parts store. Take off the sewing head cover and spray top and bottom. Use a hair dryer till the metal shaft is definitely warm or even a little hot. Spray again. I wrap the top in a towel multiple layers and use channellock pliers, they have a better angle and allow for a nice firm grip. If it doesn’t spin with just a little extra force then do the heat soak cycle again. I haven’t had one that took longer than about 10 minutes to free up. Once apart plan on lots of time cleaning all the gunk out of it and all the threads, spring, shaft inside and out...... that part is very time consuming.

Best of luck!
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WI Lori

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Reply with quote  #8 
Started on this today. One is moving 1/16 turn after 2 applications and some heat.
Thank you for the advice and the nudge.

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Lori in Wisconsin
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Guy Montana

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Reply with quote  #9 
Lori that’s great! Sometimes if it gets tighter while I am trying to remove something then I screw it back in. A little movement in both directions helps the penetrating oils get thru all the build up of crud. Keep up the heat and oil cycles. It will come out.
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Miriam

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Reply with quote  #10 
I don’t spray anything in a sewing machine. Too hard to clean up...
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Guy Montana

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Reply with quote  #11 
It comes with a spray tube so you can get the lubricant right where it needs to be.  When I have a tough machine in the shop I just wrap the shaft in a paper towel to avoid over-spray if there are delicate parts behind.  Otherwise a piece of paper towel in a long tweezers helps wipe up any over spray.  Just don't push the spray button all the way down hard.  Just a gentle pressure and it will come out slowly if your careful.  
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WI Lori

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Reply with quote  #12 
One freed up, one to go.
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Lori in Wisconsin
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