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Message Board > Sergers, Coverstitch and Blindhemmers > coverpro 900cpx lower looper problems ( Moderated by CarolynGM, Deepika)

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coverpro 900cpx lower looper problems
bethmurray1
bethmurray1
Member since 11/27/11
Posts: 9
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Date: 3/2/12 9:05 AM

Well my excitement of finally getting my machine out of the box & setup lasting 1 whole day! I have never used a serger before so the answer to my question may be "duh".

The thread on the lower looper I swear is so tight when you pull it I almost have to tug. I adjusted the tension from the recommended to make it looser and checked the manual (and what few videos I could find) to make sure it was threaded correctly. When I sew there are five loose pieces of thread on one end and one on the other. I literally have to pull 2 loose pieces of thread from the lower looper once the fabric is detached from the machine. (I hope that makes sense). It's almost like it's doubling up . The stitch looks fine if a little thick.

Are they supposed to do that? If so feel free to save time and simply post "duh" Thanks in advance.

PattiAnnJ
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PattiAnnJ
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OH USA
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In reply to bethmurray1


Date: 3/2/12 10:09 AM

I have not purchased a coverstitch machine.

However, I have used sergers for several years and the lower looper can be a big pain in the neck.

I would start by cleaning any loose threads from the machine.

Then make sure the thread antenna is at it's highest position.

Set the tensions to zero and lift the presser foot. This should open the threading path so the thread can properly enter the tension control feature of the machine.

Begin the threading sequence according to the manual. This may be lower looper first. Never deviate from the sequence.

After threading, set the tension back to the manufacturer's recommended setting.

Lower the presser foot and do a test.

Hope this will help.

------
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

biochemistress

biochemistress  Friend of PR
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Date: 3/2/12 3:19 PM

http://www.youtube.com/watch?v=rPB9W8vYexw is a webpage with a demo of sewing on a coverstitch.Pay close attention to what she does to get the fabric out at the end of a seam. I think what you're describing is normal as the thread loops around the looper and comes back out to form stitches.

ETA I agree lower all the tensions to 0 and make sure the pressure foot is up, then thread looper first, then adjust tensions (4 across the board works pretty well), then presser foot down and sew.
-- Edited on 3/2/12 3:21 PM --

Skye
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Skye  Friend of PR
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In reply to bethmurray1


Date: 3/2/12 4:10 PM

Sounds normal to me. If it is hard to pull when finished try rotating the by hand the wheel and make sure that your foot is up and the threads should release ok.
If you are still having trouble let us know and I can take some photos to show you what mine looks like.

------
Wellington, NZ

bethmurray1
bethmurray1
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Date: 3/2/12 5:59 PM

Thanks guys I appreciate your help. I saw the video before I ever got the machine out of the box - it was very helpful. I feel alot better. I just couldn't understand why I had five loose threads on one end & one on the other (of the sewn part) and had to pull 2 loose threads out from the looper once I detached the fabric from the machine.

I swear, if someone ever taught a Janome Coverpro class or made a DVD they'd make a fortune because there's so little info out there for us newbies!!! Luckily I found a bunch of experts!

thank you SO much!!!!

creative1
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creative1
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AUSTRALIA
Member since 1/25/06
Posts: 526
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Date: 3/3/12 0:08 AM

Quote:
The thread on the lower looper I swear is so tight when you pull it I almost have to tug.

It is why I sold my Janome CoverPro, and bought Brother coverstitch instead! The lower looper tension on Janome is too tight even on a lowest setting ( even on no tension'') . Brother is much more ''negotiable
Pamela R
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Pamela R  Friend of PR
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Date: 3/3/12 1:28 PM

I love my coverpro 900 and do about 200 items a year on it.

I did not find the video, but what I was taught was:
at the end of a seam,
1. lift presser foot
2. slide a pair of curve blade thread scissors (my first pair came with an original embroidery machine.) between foot and fabric.
3. use them to pull the two threads out to the left away from the foot.
4. snip the two threads close to the fabric on the part of the threads that do not pull ( one way they pull easy and the other way they do not move)
5. now pull the fabric to the back, and cut the one thread that is left.

Now the threads are locked together, and they will not start to unravell. Also, you only have the 3 threads, and they are all on the bottom.

Hope this makes sense.

Pamela R
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Pamela R  Friend of PR
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Date: 3/3/12 1:31 PM

With reguards to the posting I just did, When snipping the two top threads, Not too close to the fabric...about 3/4 inch away, that way the threads lock better.

Vonnevo
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Vonnevo  Friend of PR
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In reply to bethmurray1


Date: 3/3/12 2:41 PM

Quote:
When I sew there are five loose pieces of thread on one end and one on the other. I literally have to pull 2 loose pieces of thread from the lower looper once the fabric is detached from the machine.

beth, there is a slight learning curve with all CS machines and I experienced the same thing when I first used my CP1000, over five years ago.
Way back then, there was no help available from dealers, hence I started the now, very long CP thread. nancy2001 kindly condensed all the important information into a four parts, which are now a PINNED TOPIC in this section.

Like Pamela, I have sewed dozens of hems, necklines and garments with my CP1000, without any problems, despite what I read to the contrary.

Janome engineer their machines to use quality thread and I discovered that thick, linty thread, can cause thread breakage and poor results, specially in the lower looper.
A few times I have resorted to some cheapie thread which was a color match, only to find it formed an awful loopy stitch and was probe to breaking.
I do use quality serger thread in the lower looper and Gutterman or Metrosene matching serger thread for the top threads. Serger threads works fine for the upper threads too.

A few days ago, I was without a colour match for the lower looper and short on the Gutterman, so I tried a polyester embroidery thread - this also worked beautifully and gave a very fine lower looper stitch.

I have some information with photos, that will be very helpful, but is too large to post here. If you PM or email me, I will be happy to email it to you.

Best wishes
My email addy is listed in my profile.

------
Vonne O Brisbane Australia
---------------------------------
Laughter is timeless, imagination has no age and dreams are forever.
We don't stop playing because we grow old; we grow old because we stop playing.

creative1
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creative1
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Member since 1/25/06
Posts: 526
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Date: 3/3/12 9:06 PM

Sorry to say that, guys, but my Brother coverstitch will except ANY thread (except really old thread , may be 20- something years old), and also any needle, not just EL needle with a perfect result.
-- Edited on 3/3/12 9:13 PM --

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