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Forum > Sewing Machines > Industrial Flat Seamer ( Moderated by Sharon1952, EleanorSews)

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Industrial Flat Seamer
Twisted E Ranch
Twisted E Ranch
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Member since 10/17/13
Posts: 4
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Date: 12/10/13 8:40 AM

I recently purchased a Juki Union Special Flat Seamer (36200) that is about 15-20yrs old. I need it to sew the flat seams on the horse riding pants that I make. It has no operator's manual (nor does one exist to the best of my knowledge), just an engineer's manual on how to fix it and a parts manual. I've never used one of these machines before and I am having trouble sewing flat with it. I am getting puckered seams in places. It is the type of flat seamer that lap seams, not butt seams. Not all of the seam is bad, but I can't sew a whole outseam without a pucker. I am pretty sure that it had something to do with the way I am feeding the machine, but I'm not sure. I have tried feeding it with as little tension as possible and letting the feed dogs pull the fabric in and letting the cutters cut a 1/4" or so off. I have tried running it next to the fabric guide (at the presser foot) so it pulls the fabric together and trims very little if any (I'm thinking this method makes the lap seam not lap fully). I ordered some new thread from Superior Threads to try (ProLock) and am thinking I might also try Polyarn - but I don't think that is my issue. I'm sure it's operator error :). Does anyone have any insight on how to operate one of these machines correctly? Thank you very much, I have been combing the internet and YouTube trying to find any clue. These things are top secret apparently!!

mgmsrk1
mgmsrk1
Intermediate
Member since 12/16/12
Posts: 179
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In reply to Twisted E Ranch <<


Date: 12/10/13 9:48 AM

This youtube video popped up under that model #

http://www.youtube.com/watch?v=jWLdoOQCecI

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1968 Kenmore 158. (AKA The Hulk)
Bernina 230
Janome 6600 (for sale)
Janome 7700
Juki 600
Elna serger
Kenmore serger
Janome 1000 CoverStitch
Juki 8500 Industerial

MartiP
MartiP  Friend of PR
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Date: 12/10/13 10:21 AM

You have to pull somewhat on the bottom layer. It is next to the feeddogs and therefore will go through a little faster if you don't hold it back.
I had to run an old double needle machine to sew two layers of clear vinyl together for outdoor roll curtains with one of these.
-- Edited on 12/10/13 11:42 AM --

------
MartiP

Ruckertt's Law; There is nothing so small that it can't be blown out of proportion.

Bernina 1230 Bernette 007D
Brother CS6000i Brother 2340 CV
New Home L372
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U.S Blindstitch, Model SL 718/2D
Simplicity SE2
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AtiyaAfi
AtiyaAfi
New York USA
Member since 5/23/10
Posts: 185
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In reply to Twisted E Ranch <<


Date: 12/10/13 11:13 AM

Did you check out the Juki site in the support support. If I recall Juki does have their manuals available online. mgmsrik1 also gave a link that should be helpful.

beauturbo
beauturbo
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Date: 12/10/13 1:45 PM

I thought they were for flat seaming thinner mens or kids cotton knit underware, and maybe not thicker horse riding pants, so maybe your fabric is a bit different than it's set up for? But with all those many threads and the looper and all those needles I don't see how you would use it without an instruction book either.

Maybe look through here and see if you can find one? There are a awful lot of 36200 machines and I think they all have different sub #'s , and they could just be fitted out with different stuff too.

http://www.universalsewing.com/tek9.asp?pg=parts_unionspecial

I think if I needed a book and some sewing instruction on it, and could not find one, just since it is so very complicated, I would just actually pay Juki for one, no matter how much it cost actually, just since it would probably be well worth it.

Twisted E Ranch
Twisted E Ranch
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Member since 10/17/13
Posts: 4
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In reply to mgmsrk1 <<


Date: 12/10/13 1:51 PM

Yes, that is the same machine in the video as mine and that's one of the ways I have tried feeding it. I jammed it up today and my new thread showed up at the same time so I rethreaded it with the ProLock and it really likes that thread. The cones don't want to feed correctly though. It's like they aren't wound correctly. If it's not one thing it's another with this beast. When it works, I love it though :)
-- Edited on 12/10/13 1:58 PM --

Twisted E Ranch
Twisted E Ranch
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Member since 10/17/13
Posts: 4
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In reply to AtiyaAfi <<


Date: 12/10/13 1:57 PM

The dealer that I bought it from told me to contact Juki for a manual. Juki told me to try Union Special for a manual, which I have yet to try. I did contact someone at Universal Sewing also and they gave me links to all those online manuals, but they are all engineer's/parts manuals. This is why I am thinking that the instruction or operator's manual doesn't exist. I'm going to try to get ahold of someone at Union Special today to see if they can help me. I'd GLADLY pay for the book if it does exist. After fighting with it all morning trying to get it rethreaded I'm getting a bit frustrated. The dealer was able to help me with that part. Thank for the suggestions everyone, I do appreciate your responses! :)

mgmsrk1
mgmsrk1
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In reply to Twisted E Ranch <<


Date: 12/10/13 2:39 PM

It looks like a very cool machine, I hope it starts behaving for you. I have no great need or room for one but I would love to play with one for a while.

How are the threads unwinding wrong? Would something like netting over them help?

Have you tried all the basic sewing machine things, change needle/s, re thread, clean lint and oil? I would guess those same things gone wrong can cause problems just like in a regular sewing machine.

There is a sewing with industrial machines Yahoo group. You can join and see if anyone can help further.

------
1968 Kenmore 158. (AKA The Hulk)
Bernina 230
Janome 6600 (for sale)
Janome 7700
Juki 600
Elna serger
Kenmore serger
Janome 1000 CoverStitch
Juki 8500 Industerial

beauturbo
beauturbo
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California USA
Member since 5/2/09
Posts: 3514
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Date: 12/10/13 3:13 PM

I wonder if it's supposed to take right twist or left twist thread even. Maybe it would not matter so much for the looper, but for the needle threads it might. Maybe try to find that out too.

Twisted E Ranch
Twisted E Ranch
Intermediate
Member since 10/17/13
Posts: 4
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Date: 1/4/14 4:58 PM

Turns out it was the thread, coupled with my sewing. I had several bad spools of Prolock from Superior Threads. When I called them they told me they knew there was an issue and they were wound too loose and offered to send me replacements. They did send them, but the replacements were just as bad as the ones I had. They were nice enough to exchange all the spools for a different brand which worked much better (Polyarn). I also found a Gutermann wooly nylon at Joann which seems to work equally as well. On the upside to that all, I can thread that machine in minutes now! I'm a pro at changing needles too ;)

Mgmsrk1 - yes, it got an oil change when I got it home, and it's been through several needles of different types. I should have mentioned I troubleshot all that - my bad. I didn't know about the Yahoo! group - thank you!

It also seems to like a little resistance on the feed dogs when it's feeding in the fabric. If I pull a little as I sew it doesn't pucker - MartiP you were spot on. So - it was some me, some the thread. When we sew and agree with each other, it's a pretty awesome machine. Thank you for all the suggestions and help!

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