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Message Board > Sewing Machines > Singer 15-90 how to fix ( Moderated by Sharon1952, EleanorSews)

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Singer 15-90 how to fix
tg33

tg33
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Date: 9/5/13 6:59 AM

Hi, I'm the proud owner of a Singer 15-90, at least that's what I think it is from looking up it's serial number. It was bought new by my Grandmother, and was manufactured in Scotland in January 1968, as far as I remember (I don't have the details in front of me). It is in a box (?), not a cabinet which is usual for here, and has been well looked after. I took it to pieces a few years ago and cleaned it up, and it cleaned up well. It is hand cranked, not electric.

I took it out last weekend and tried to sew with it, but it wouldn't form stitches properly (the needle went up and down and the fabric was moved on, but the thread didn't lock with the bobbin thread), and doesn't seem to have the power to push through denim. That is to say, it would form two stitches well, then skip six, then stitch one, then skip 10 etc. etc.

Can anyone recommend somewhere that walks me through a proper service of this machine? I have come across a few blogs detailing how to clean up the machine, but I would like one that addresses getting the maching to function as well as possible. I am looking for recommendations as there can be a lot of information out there, and it helps if someone can pass on details that they found good!

Thanks for your help.
-- Edited on 9/5/13 7:03 AM --

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Reading from Europe

SewPaula
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SewPaula  Friend of PR
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thumbsup 1 member likes this.
Date: 9/5/13 7:42 AM

I would check first to see if you have the needle in properly and threaded correctly. The flat side of the needle should go to the left and the needle is threaded from right to left. You should be able to get the user manual from the www.singerco.com website. Also, if you do a web search on Singer 15 service manual, you should be able to find a PDF document for doing the servicing. I don't have the link on this phone or I would post it.

Good luck!

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If I were a sewing machine, all I would have to do is lift up my foot and all my tension would be gone.

Sewing with my lovelies: Pfaff Ambition 1.5 (Pfoxxy), Kenmore 385.19365 (Kenny), Babylock Imagine and BLCS, 3 brothers (PE150 aka Gary, 1034D aka Scott and 2340V aka Darrell -- named for my three brothers), and the Singer quartet (Rosemary the 401a, Judy the 15-88, Ella the 15-91 and Bessie the 128)

tg33

tg33
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In reply to SewPaula <<


Date: 9/5/13 9:03 AM

Hi Paula, thanks for the reply! I have the needle in correctly (I double checked) but I threaded it from left to right? I can double check that, I have the original manual and a pdf of it. I must look up the service manual.

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Reading from Europe

tgm and Kittys
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In reply to tg33 <<


Date: 9/5/13 10:14 AM

I would check online Sew Classic. She has lots of into on this type of sm.
Is the belt in good condition? You can buy a replacement belt if it has any worn spots or cracks. I keep the belt on mine checked often. They are not difficult to change. ............... also make sure using metal bobbins. Plastic ones do not work in this type of sm. ..... hope this helps a little...

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Finally a whole week above zero! Whoo hoo! ~smile~
2 shots in DH eye down, 1 more to go. We hope the tumor is shrinking.
God is with us no matter what ...+


tg33

tg33
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In reply to tgm and Kittys <<


Date: 9/5/13 10:24 AM

Quote: tgm and Kittys
I would check online Sew Classic. She has lots of into on this type of sm.

Is the belt in good condition? You can buy a replacement belt if it has any worn spots or cracks. I keep the belt on mine checked often. They are not difficult to change. ............... also make sure using metal bobbins. Plastic ones do not work in this type of sm. ..... hope this helps a little...

I don't have a belt on mine, it doesn't have a motor, just the metal bits connecting the hand crank to the wheel. I'm using the metal bobbins, the original ones.

Thanks for taking the time to reply!

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Reading from Europe

karen149
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Date: 9/5/13 10:36 AM

Make the sure thread is going the right direction in the bobbin case and that it is securely clicked into place in the bobbin housing.

tgm and Kittys
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In reply to tg33 <<


Date: 9/5/13 11:54 AM

Oh a handcrank... that is nice. ...........by chance what type of thread? Coats & Clark XP ? Cotton Coats & Clark? or something else ? sometimes that makes a difference too. My older machines do not like Gutterman, I don't know why they just do not do well... my modern Janome is fine with other brands but not the older ones. Using Schmetz or ??? type of needle? ...

------
Finally a whole week above zero! Whoo hoo! ~smile~
2 shots in DH eye down, 1 more to go. We hope the tumor is shrinking.
God is with us no matter what ...+


tg33

tg33
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Posts: 993
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In reply to tgm and Kittys <<


Date: 9/5/13 11:57 AM

Quote: tgm and Kittys
Oh a handcrank... that is nice. ...........by chance what type of thread? Coats & Clark XP ? Cotton Coats & Clark? or something else ? sometimes that makes a difference too. My older machines do not like Gutterman, I don't know why they just do not do well... my modern Janome is fine with other brands but not the older ones. Using Schmetz or ??? type of needle? ...

It's gutterman thread, Coats and clark is hard to get here. I think it's a Schmertz needle, I can check that.

I'm sure the thread is going the right way in the bobbin case, but I can check that.

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Reading from Europe

lisalu
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lisalu
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Date: 9/5/13 11:58 AM

It's almost certainly not threaded properly. It is unlikely that it needs repair. These machines rarely go out of time although it may be possible if you disassembled it completely. BTW, if it is a hand crank, then it's not a 15-90 but probably a 15-88. I'm not positive, but I believe that is the case.
-- Edited on 9/5/13 12:01 PM --

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Jim (Singer 301), Margaret (Singer 201-2), Betty (Singer 15-91), Bud (Singer 503), Kathy (Singer 221), Liz (Singer 221 Centennial Edition)
http://runningstitches-mkb.blogspot.com/

PattiAnnJ
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In reply to tg33 <<


Date: 9/5/13 12:02 PM

It could be the timing. Here is how to check and fix if necessary.

My first thought was also the position of the needle. The long groove on the front of the needle helps guide the top thread and needs to be facing the location of the bobbin (front and top, facing the front and left end of the machine, facing to the left).

Here is a video and the flat side of the needle faces to the right and is threaded from the left.


-- Edited on 9/5/13 8:35 PM --

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I dont give them Hell, I just tell the truth about them and they think its Hell. Harry Truman

"Improvise, adapt and overcome." - Clint Eastwood/Heartbreak Ridge

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