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Posted

Is there anything more to timing the hook and needle than to adjust the eccentric stud so that the hook reaches its correct leading position when the needle comes to a slight stop in its lowest position? Dang, that was a long sentence with no stops. I've followed the guidelines in the manual to make that adjustment, which seems to be holding.

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Posted

Is there anything more to timing the hook and needle than to adjust the eccentric stud so that the hook reaches its correct leading position when the needle comes to a slight stop in its lowest position? Dang, that was a long sentence with no stops. I've followed the guidelines in the manual to make that adjustment, which seems to be holding.

Yes. If the shuttle driver hole is worn and it allows the shuttle driver to move around the set screw, the timing will become retarded at the worst time. So, getting that screw out becomes the most important factor to determining if there is excessive slack in the drive system.

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.

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Posted

Blergh, I wish it would be possible to have the machine serviced easily here in Finland. I stopped by the only sewing machine shop in the city the other day, and the moment I mentioned "shoe patcher" they just went NOPE and wouldn't even talk to me.

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Posted

Is this amount of slack too much, or is it within acceptable amounts? Video here: http://gfycat.com/PointedSpryBoar

I've never handled one of these before, so I have no idea how much is too much.

Not really too far gone yet. But, that slack does not heal itself. I have two patchers. One has almost no slack and the other has about as much as yours. Neither skips stitches on a regular basis. But, both skip occasionally. Patchers are what they are.

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.

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Posted

Alright, good to know - thanks! I think I'll try and minimize the slack anyway since it can't hurt, so I ordered basically all the rack box parts to rebuild it. Just gotta build up the courage to drill out that old set screw first. Will keep everyone updated once the rest of the parts arrive!

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Posted

Some of the 29x needles I have seen recently are in fact just 135X16 or 135X17 so be careful how much you pay for what you get ;)

I did not read all of every post so not sure if it was mentioned but the needle clamp can be moved sideways so make sure the hook is within 0.5mm to the needle.

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Posted

A 15w soldering iron is going to take a very long time to heat up that much metal. You might try a drop or two of brake fluid and come back the next day. Just remember, brake fluid will remove auto paint, watch for drips.

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Posted

Hmm, might try the brake fluid. Anything to avoid mechanically removing the screw really.

After making some more adjustments to the eccentric stud and needle clamp, I got the machine sewing relatively well. Here is a shoe I did yesterday. It's not perfect, but slowly getting there.

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