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O lordy can somebody please help me. I don't know if I'm just to have bad luck with this or this is my break- in initiation. I have the Seiko sth 8bld-3 which is identical to the Consew 206rb-5. I have the tiniest piece of thread lodged in my rotating hook and it's causing the entire thing to freeze up. It's #138 thread so it's a fat little piece. I have tried the safety clutch, I have searched the internet/ youtube and there seems to be nothing addressing this issue (to the degree mine is). I found one vid by atlas sewing where he shows a method of loosening a screw and moving the finger out of the way to get it moving and remove the thread. My problem is mine is wedged and has now broken off to a tiny little something (but thick #138). I have searched these boards. I have tried shimmying it out with dental floss because I figured it was thin and strong, but to no avail. I dropped a tiny bit of oil hoping it would make it slippery enough that I could pull it out, again no go.It is getting tinier each time I tug on it but the thickness is still lodged inside those grooves. Is there any other way to get this out without throwing it out of timing? I've attached pictures so you can see where it is.

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Posted

Put some on the groove the hook spins on (where the piece of thread is) all the way around,take the belt off & rack the machine back & forth w/your hand.Once the oil gets in there it'll make it slippery enough for the hook to spin.

Bob Kovar
Toledo Industrial Sewing Machine Sales Ltd.
3631 Marine Rd
Toledo,Ohio 43609
1-866-362-7397

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Posted

Thank you for responding! I'm going to try that right now! Wish me luck!

Posted

I've used a hairdryer on several occasions to warm things up enough to get stuck parts going, either due to expanding metal creating a tiny bit of wiggle room, or softening matter that was causing the friction/sticking. It may help a little in your case if the oil alone isn't doing the trick.

Tim Allen's character from Home Improvement would take a blow torch to the hook and melt that nylon thread right out of it - and then buy a new hook or machine.

Uwe (pronounced "OOH-vuh" )

Links: Videos 

Posted

I've had some luck with hemostats that grip then lock. Once locked, just continue to twist the same direction. Worked one time for me.

Bob Stelmack

Bob Stelmack
Desert Leathercraft LLC
Former Editor of the, RawHide Gazette, for the Puget Sound Leather Artisans Co-Op,  25 years of doing it was enough...

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Thanks guys for giving me your advice for this conundrum. I haven't done anything yet. Just as I was about to the doorbell rang and I'm finally back. It's been on my mind all day. I'm starting with the oil as Bob suggested, and if that doesn't work moving onto the heat. Thanks so much!

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Posted

Hi all! Firstly I want to thank you all who offered a hand to help. Finally, got her done! I tried everything as suggested here to no avail. Just in case anyone's interested here is how I fixed it. I ended up taking the hooking assembly apart, but never having to take it completely off. I took off every tiny little screw and took the finger completely off and wiggled and waddled and was able to move the race and there was what we have termed "The Trouble." The Trouble fell right out after the assemble was able to move. After doing a test stitch, I see that the timing is off or could it be that it is just the hook timing or what this is I don't know. Is it just the tension? The top threads look fine, but both bottom threads are big and loopy. What do I need to correct here? Pictures below

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Posted

Make sure your top thread is threaded correctly,(pulled down in between the discs) or else it's too loose tension on top.

Bob Kovar
Toledo Industrial Sewing Machine Sales Ltd.
3631 Marine Rd
Toledo,Ohio 43609
1-866-362-7397

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Posted

Personally I love it when people pull something to bits, reassemble it then get it going again.

For me it is the point where you really start to understand your machine.

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Posted

Thanks Bob! I was hoping and praying it was something simple and not timimng!!!! I think I'm going to be alright!

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