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WI Lori

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Reply with quote  #1 
What have I missed? I've cleaned out the lint, oiled &lubed all as indicated in the manual.
Dogs go up and down, but not forth and back. The dogs sit at the forward position, and do not hit the needle plate.
Photos show top and bottom of needle stroke relative to dog position.

Attached Images
jpeg IMG_20190620_092549981.jpg (297.18 KB, 6 views)
jpeg IMG_20190620_092604719.jpg (271.14 KB, 6 views)


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Lori in Wisconsin

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JonesHand52

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Reply with quote  #2 
This may seem too simple, but is the stitch length lever sitting in the neutral position? If you are new to this series of machines, the knob on the stitch length lever screws in to lock it in position, unscrews to allow it to move up to reverse, down to whatever stitch length you select - the farther you unscrew it, the lower it will go, forward or reverse. 

- Bruce

Singer 400 series stitch length lever control.jpg 

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Jim/Steelsewing

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Reply with quote  #3 
And... in case you knew all that. Take the top off, get a flashlight, and make sure that moving the stitch length lever actually does something. Sometimes... the back (trying to remember) screw or nut(?) on the stitch length lever becomes loose over the years. You move the arm up... and it falls back down and nothing chances stitch length wise. That's a sure sign. There's a somewhat easy way to adjusting the tightness of that arm from the balance wheel side. *note, there should be a somewhat easy way in, last time I had to adjust a Slant-o-matic stitch length lever it was on a 500a...
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It's a beautiful day in the neighborhood.
There is grace within forgiveness, but it's so hard for me to find - Ben Gibbard
My adventures with VSM's: http://steelsewing.blogspot.com
*QuiltnNan and asshat may be synonymous...
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JonesHand52

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Reply with quote  #4 
One more thing that could be happening is something I have found on at least 3 of the 401s or 500s that I have worked on is that it may be dried up oil under the bed that has things glued up so solid that the feed dogs won't move. Not likely, but probable. I had two of those machines so frozen with old oil that although the machine would turn over, the needle plate would not rise and adjustments could not be made past the settings they were on. It took 3 days of soaking the parts with Hoppe's No. 9 gun bore solvent to free it up. Even then, when the solvent dried away they stuck again, so I had to take the entire mechanism apart to properly de-gunk it. 

-Bruce
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WI Lori

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Reply with quote  #5 
Baaaah, I feel sheepish!

Bruce, it was too simple! Sorry, Jim. :)

In cleaning all the gunk off, I'd moved the stitch length lever to "Fine", and never looked back.

Tonight I'll print out the manual, and clean the upper tension.

Thank you, both!

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Lori in Wisconsin
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HelenAnn

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Reply with quote  #6 
I love how quickly a solution can be found with the help of friends..
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HelenAnn central Minnesota
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WI Lori

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Reply with quote  #7 
I do, too!
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Lori in Wisconsin
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