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Forum > Sergers, Coverstitch and Blindhemmers > Bernina 800DL ( Moderated by CarolynGM, Deepika)

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Bernina 800DL
comes unthreaded
RuthieSews
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RuthieSews
Intermediate
UNITED KINGDOM
Member since 1/1/06
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Date: 6/11/11 2:26 AM

Hi, I've had a Bernina 800DL for a little while. It seemed OK at the start, but then I had some major life changes (several moves and a divorce) and when I've come back to using it I have trouble threading it so it'll sew more than an inch or so.
The lower looper seems to come unthreaded or break for no apparent reason.
I've not got the manual to hand so it may well be that the problems are with me threading it, however I've owned a serger for many years and although this is different to the old MyLock134D I would say I am OK at following the threading directions.

I bought it from a relatively local dealer (at the time), but have now moved to a different part of the country.

Those of you who own a Bernina 800DL, have you had a similar issue to this, and is it due to threading or should I try to take my machine for a service, either to a local shop, or arrange to take it back to the original shop.

Are there any Utube videos I can watch of the threading to see if I'm doing it right?

I've had about 10 goes at rethreading over a couple of occasions and had to give up and use the zigzag on my normal machine.

------
Sewing in Derbyshire, England
http://ruthieksews1.blogspot.com/

aWiSHa

aWiSHa
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AUSTRALIA
Member since 1/5/10
Posts: 92
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Date: 6/11/11 5:12 AM

Hi. I have the same serger. Last weekend I was sewing a childs coat from corduroy and a fine sheer slippery fabric (have no idea what it was sorry) and about 4 times the lower looper thread would come out of the guide hole/channel at the very top of the machine. (After you've hooked the thread on the top of the spool holder arms and then down to start the threading. Above the tension disks area.) I had to make sure the thread was firmly caught in that area to stop it coming out/loose. Sorry my brain doesn't want to cooperate tonight but I hope you can understand what I am trying to say

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A.
Geelong, Australia

aWiSHa

aWiSHa
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Date: 6/11/11 5:12 AM

double post
-- Edited on 6/11/11 5:13 AM --

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A.
Geelong, Australia

RuthieSews
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RuthieSews
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UNITED KINGDOM
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In reply to aWiSHa


Date: 6/11/11 7:01 AM

Maybe that is the same problem I am having. I'll have another go, perhaps rethreading completely from scratch.

------
Sewing in Derbyshire, England
http://ruthieksews1.blogspot.com/

Betakin
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Betakin
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Arizona USA
Member since 4/22/04
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In reply to RuthieSews


Date: 6/11/11 3:21 PM

I don't have this serger but are you threading in order and remembering to thread your needles last? Be sure that after threading or rethreading the lower looper that your needle threads need to be up and clear from inside the serger or rethreaded..otherwise your lower looper thread may break again.

helen in oz
helen in oz
AUSTRALIA
Member since 12/2/10
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Date: 6/15/11 7:47 PM

I've had an 800DL for about 3-4 years now and it's had the problem described by awisha since Day One (my lower looper thread pops out of the last tension disc on the right). I sent it back twice (maybe 3 times ?) while it was still in warranty, but as it was an 'intermittent' problem (sure it was!!), they just kept saying they couldn't see any problem, so I gave up on them and looked for an alternative solution.

My solution was to create another thread guide before the tension disc. I did this by tying a loose loop of satin ribbon (must be satin for smoothness) around the thread stand.

To thread the machine, I pass the thread up over its usual open thread guide on top of the retractable support rod, then pass the thread underneath my new ribbon 'looper' from back to front, then carry on as normal. This has the effect of making the thread come at its tension disc from 'below', rather than from 'above'.

Hey presto, no more looper threads popping out, no matter what fabric I'm sewing or thread I'm using.

When I send the machine in for service, I remove my ribbon and replace it when the machine returns home. Otherwise they remove the ribbon and throw it out!

JustineSewcountrychick
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JustineSewcountrychick
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California USA
Member since 3/5/10
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In reply to RuthieSews


Date: 6/16/11 6:15 PM

Oh gosh i am going through the same problem and I am so frustrated! this machine was expensive and I just cant get it to work!

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justine aka sewcountrychick

helen in oz
helen in oz
AUSTRALIA
Member since 12/2/10
Posts: 39
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In reply to JustineSewcountrychick


Date: 6/17/11 2:49 AM

Maybe try my solution Justine - it's free assuming you have a bit of satin ribbon on hand, it can be removed if it doesn't work, and it might get you going again (and stop you from throwing your machine out the window, which is what I was about to do!!)

If you do eventually find a machine mechanic who fixes it, can you let us know what the diagnosis is? Like I said, my warranty mechanic couldn't find anything wrong.

iSewQuiltArt
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iSewQuiltArt
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Date: 6/17/11 3:08 AM

Don't forget when you thread your overlocker to follow the correct order, and do so with the presserfoot in the up position. If you do it with the presserfoot down the tension disks are not open so the thread doesn't get seated properly into the disks, and can produce all sorts of stitching, jamming and thread breakage problems if you have not threaded it right.
Its the same principle with sewing machines too.
Don't forget to lower the presserfoot before you begin to overlock though!

Also if your looper thread breaks cut the thread from above the eye of the needle, rethread the loopers and then rethread the needles again. If you try to thread the looper again with the needles still threaded and thread running under the foot and out the back the threads won't be in the right place and they will break every time. Many overlockers are like this. Its to do with where the thread sits - you do need to follow the order of threading as set down in the manual, you can't skip steps, you must thread the needles last.
Hope that helps?

------
Quilting up a storm
Bernina Girl, in possession of a small herd...

Betakin
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Betakin
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Arizona USA
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In reply to iSewQuiltArt


Date: 6/17/11 5:33 AM

QQ. your post is what I basically meant in my previous post but your post is much better than mine in explanation. I have always felt when reading your posts that you have a way with words. Truly so.

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