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How do you load a bobbin on a Viking 6440 sewing machine?

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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RickE1
  • 202 Answers

SOURCE: Viking Husqvarna model 6440 gets stuck in reverse

There are numerous things that can cause this, some very simple, some less so.
1. Fortunatly, the most common one is also the simplest to cure. When you turn the selector (upper left) knob between stitches, one of the things that is happening when you feel the resistance is that it is lifting the followers off the camstack so that it can move to another stitch. When the camstack is normally doing its job, lifting the feed cam follower is what puts the mechanism in reverse. So, while the selector is between stitches, the machine is temporarily in reverse. Also, the dots where the dial is to be placed to change the camstacks is between stitches, so if the dial is on these dots or anywhere else except snapped into a stitch, you will get nothing but reverse.
2. The buttonhole mechanism is stuck in the reverse portion of the buttonhole. Usually if this is the case, the needle position will also be stuck on the left side, and the width control /buttonhole control will not function correctly. Usually you can correct this yourself and I'll explain how in a bit. It is usually caused by lack of use of the buttonhole mechanism.
3. Either the arm that connects the camstack to the stitch length block or the block itself is stuck. Both these parts are spring loadedto bring them in the forward position, so long periods of rest are a contributing factor.
All of these causes except for the first one are because of the mechanism not being exercised frequently enough. These older Vikings do not like to sit still very longYou should fully exercise all the knobs at every sitting.
Ok, try this fix. And this is to free up the mechanisms that are probaby stuck from non use and old oil and grime buildup. Take your seamformer (cam) out of the back. Find a hairdryer and blow some heat in there for awhile. This will soften up any hard oil or grease that may be causing the mechanisms to stick. Then if you can it would be best to have what is called TRI-FLOW oil (the BEST) and spray or drop quite a bit into there covering the mechanisms and let it soak in. You might try a good sewing machine oil soaking or WD-40 in small amounts. Little by little test your knobs, slowly working whatever is stuck lose. Never force the issue. Small amounts of movement little by little will eventually free it up.
Good luck. Hope this helps. If this does not help you may have to take it to a technician and hopefully you won't find out that your take up slide isn't broken which is a major job.

Posted on Nov 25, 2007

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kent581
  • 87 Answers

SOURCE: Bobbin tension on Viking 350 Sewing Machine

Viking bobbin case tension adjustment:
When the bobbin runs out, sometimes it bends the bobbin case tension spring. Then tension is too light. Take the bobbin case out of the machine. Tie the loose bobbin thread to the Designer 1 needle plate. Insert the bobbin in the bobbin case. Here’s the tricky part set the bobbin case on the table as if it’s in the machine (Bobbin is visible and sitting horizontal to table top) threaded as if sewing and loose end tied to needle plate (that is removed from the machine). Lift the bobbin case off the table rotate it so that the flat side of the bobbin are vertical to the table and no longer horizontal. Have the bobbin case oriented so that the thread coming out of the bobbin case sprint (slot area where it is put for sewing) is at the top. Lift it high enough that the needle plate is lifted from the table. It should not release thread unless you shake it gently and then a very small amount of thread. The needle plate is the exact weight resistance your bobbin case should have on the thread.

Posted on Mar 19, 2009

  • 1 Answer

SOURCE: Part for a Viking 6440 Sewing Machine

Check ebay. They sell a lot of parts and/or machines for repair.

Posted on May 18, 2009

  • 371 Answers

SOURCE: husqvarna sewing machine - viking 400

Take to authorized Husqvarna Viking dealer for repair. This is not something that can be done by the owner. Check Husqvarna Viking website for dealer closest too you.

Posted on Sep 24, 2009

  • 2 Answers

SOURCE: The needle in my Viking 6440 is locked in on the

I'm trying to find a machine similar to yours and have done much research re: the older mech viking sewing machines 6000 series. They are GREAT machines, suffering only from problems such as yours caused by the old "lube/grease" they used when it was made @ factory. In their efforts of making a "never needs oil" mech sewing machine, the grease tends to harden & freeze up the gears & cams inside the machine. You need to have it serviced @ authorized Viking shop as you have to completely disassemble the machines & gears, clean, re-lube, & re calibrate the gears... I understand this s/b ~ $175. Money well spent considering if taken care of your beauty could be sewing for another 60 yrs!
Hope this helps!

Posted on Jan 24, 2010

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1 Answer

How do you wind a bobbin on a Viking 6570 sewing machine?


Unfortunately, I'm unable to locate a web site or video for this beautiful machine. You can get a user manual from Husqvarna/Viking here:

Husqvarna Viking sewing machine manuals

Service manual here:
Viking Husqvarna Sewing Machine Service Manuals

Not your model, but may be helpful:
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How do i dismantel a viking sewing machine 6000 model 6440?


You can remove the rear cover by taking out two screws on the back cover and a screw at the lower rear corner on the side. With this cover removed you can see most of the internal levers and mechanism and be able to access some (not all) components.

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This is not programed into the machine. You could do it freehand.

Dec 24, 2013 | Husqvarna Viking 1

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Husqvarna viking sewing machine bobbin


Could the part number be 4011770? I've found the Viking 7 bobbins here: http://www.mysewingmachineparts.com/top-quality-metal-sewing-machine-bobbins-4011770-husqvarna-viking/ . Another site with them is http://www.sewingpartsonline.com/bobbin-viking-4011770.aspx . This bobbin is compatible with the Husqvarna Viking 7, 49, 51, 52, 21 & 21E . It probably will work for other machines. Sears also has them listed as 11770: http://www.sears.com/generic-viking-sewing-machine-bobbins-sewing-machine/p-SPM6124767105?prdNo=1&blockNo=1&blockType=G1 .

I also found these bobbins: http://www.amazon.com/Viking-Metal-Bobbins-5-pkg/dp/B000YZ5QSC . The part number appears to be 1702.

I hope this helps.

Cindy Wells
(googling Husqvarna Viking metal bobbins found a number of hits.)

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1 Answer

Dog feed with husqvarna viking sewing machine model 6440 does not work


You should join the yahoo group "vikingsewingmachinespre1980". Bill will take very good care of you. I'm new to that group and have gotten every question I've asked answered. This is just for pre-1980 Vikings which includes the 6000 series - including the 6440. Good luck.

Feb 19, 2011 | Husqvarna Viking 1

1 Answer

I own a Viking Husqvarna 6440 sewing machine. I


The feed dogs are not working in conjunction with needle because of the bulk. The bulkiness especially at the seams causes a shift under the pressure foot and the bobbin spins off excessive thread. When you get to the seam, you need to raise the presser foot so it goes over the seam evenly. Get a jeanajig or use something that will level off the presser foot as it goes over and as it comes off the seam. Also trim some of the bulk off before you fold the hem over to sew it.

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1 Answer

Part for a Viking 6440 Sewing Machine


Check ebay. They sell a lot of parts and/or machines for repair.

Mar 09, 2009 | Husqvarna Viking 1

1 Answer

Repair and opertors manuals?


The cheapest manual I have found for the model 6440 is at http://gotoes.org/sales/VikingSewingMachineManuals/ViewInfo.pl?Viking=1&Sewing_Machine_Model=6440
It is a downloadable version also sent by email.
There is a free threading diagram including bobbin info at www.sewusa.com. Repair manuals are available on ebay and run ten dollars or more.

Oct 27, 2008 | Sewing Machines

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