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pgf

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Reply with quote  #1 
I'm about to start reassembling my #42 cabinet, and I remembered that the lift spring felt a little weak when it was still together.  I know how to put it back together, and I know how to do an adjustment, but I don't know what to adjust it to.  That is, how much lift should that spring provide?  Is there a Singer Sewing Machine Table Adjusters Guide I should know about?

FWIW (since there may be folks reading who've never disassembled one of these), here's the procedure:
  • Keeping in mind that the threads on the locknut are left-handed, the idea is to turn the crowned "bolt head" until you have the right tension, and then tighten the nut. The crown can be turned with a screwdriver shaft, or similar.
  • The crown piece is actually separate from the bolt -- The bolt is headless -- or, rather, the "head" is just a tapered part of the bolt shaft that turns relatively freely in the base of the crowned ring. So you can get the spring in approximately the right position before doing the adjustment, by rotating the crowned ring on the bolt before tightening.  Once you tighten, the taper ensures the crown won't spin on the bolt.
Does anyone have a rule of thumb for how tight to make the spring?
liftsrping_01.jpg liftsrping_02.jpg liftsrping_03.jpg 

(And, because I'm getting itchy to get it back together, I've included a photo of the cabinet oiled, but still-disassembled.)
cabinet.jpg 

paul


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Zorba

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Reply with quote  #2 
Thank you for this - I need to tighten mine, and didn't have a clue...
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Christy

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Reply with quote  #3 
The cabinet looks like it's going to be beautiful!  I can't wait to see it all together.  I've tightened a few of those and ignored others since it's a pain in the tush!  The only rule I go by is make sure it's tight enough to hold the lift up.  I just hate it when they are saggy.  Too tight makes me nervous since I've had some show up with the tip broken right off the spring.  [frown]
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pgf

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Reply with quote  #4 
Thanks Christy -- I guess making it tight enough to raise the lift is certainly minimal.  I'll bet the assemblers did some thing like "Make it raise the lift, then give the crown 1/8 turn more".  We just need the adjusters manual.

Since you asked so nicely ;-), here's a picture of the cabinet all together.  (I'll post more later in another thread.)  The second picture is the reason the lid isn't staying down.  Without a machine in the cabinet, the lift rises above the level of the work surface, so the lid hits it when closed.

cab.jpg lift.jpg 

Do they all do that?  I've never noticed on other cabinets, but I guess they've usually had machines in them.  Also, the lift doesn't sit level when its up -- again, do they all do that?

I'll bet Jim will know.  He probably has a dozen cabinets within arms length at this very moment.  [wink]


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WI Lori

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Reply with quote  #5 
I've had a few cabinets with saggy lift springs. DH made the adjustment (much easier on a #40 than a #42) on each. I believe he just turned a screw, until the spring was level with the cabinet surface - with head in sewing place, or tilted back, not suspended.
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Chillin in NC

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Reply with quote  #6 
Paul I can't add anything to the conversation regarding the lift.  However I can comment on the fantastic job you did on the cabinet!  It looks, well, fantastic!

Regards,  Dan

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Christy

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Reply with quote  #7 
Nice job on the cabinet re-do Paul.  I bet it feels smooth to the touch too.  It really came out nice!
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Chaly

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Reply with quote  #8 
Stellar work on the cabinet!  I'm looking forward to you posting your techniques.  What are your plans for using it with a machine?

Thanks for posting about the lift spring - helpful info.  I've never had to do any adjustment but now I know where to get some info if need be.
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pgf

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Reply with quote  #9 
Thanks -- I'll start another thread in a day or two about the ups and downs of the refinishing process (short version:  it looks best from a distance ;-).  It will hold the 201-2 it came with.
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morningstar

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Reply with quote  #10 
Oh that cabinet looks good...I have recently said if I had owned a 201 I would
Not have bought my sit down quilt machine since201 has such big harp space.
You will have a beautiful set up when finished so worth the labor.

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