Re: problem with automatic needle threader On Viking...
Yes, I fix them all the time. You will need very good eye sight as the wire/metal hook is very small. If you get at an angle where you can see how the hook lines up between the metal flaps that hug the needle, the hook will probably be off center. You will need something very flat, but strong. I have use the exact-o-knife blade, in the handle of course, a knife, and a tiny screw driver. The hook has to line up vertically and horizontally. What usually happens is when we thread the needle it did not line up exactly, and putting pressure on the white tab, bends the hook. Bend it back and you are in business. If the threader does not line up horizontally, the needle threader may have slid down the shaft. This take a special tool. I purchased mine at Sears tools. There are 2 screws on the back of the threader. Move the needle to the highest position and after loosening the 2 screws, you can slide the threader up and down on the silver shaft, this is trickier, because the shaft moves up and down and rotates as it gets close to the needle. I use calipers/hemostats to hold the shaft while I line up the hook. Hope this helps.
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It takes some getting used to, to get these to work properly. Practice. First make sure your needle is in correctly and fully. then make sure that when you engage the needle threader the tiny little hook goes through the eye of the needle. If it doesn't it won't work at all.
Then follow the instructions in the book. Make sure the thread is on the proper side of the tiny hook....
If it's the viking needle threader that was made for this machine, you would mount the needle threader over the needle screw. The part that fits over the needle screw of the needle threader is an eccentric. You rotate it until the hook of the needle threader slips into the eye of the needle. Once that happens you mearly put the thread in front of the threader hook and pivot the needle threader back out of the needle.
I have that machine, and am wondering if your needle has a burr on it, try a new needle, #11 or #80. You may also have no hook in your automatic threader to go throught needle eye. My first automatic threader was defective, no wire to go through the needle to catch the thread. Take a magnifying glass and look when you change your needle and watch when you pull your threader down, do you see a really fine wire come through the needle eye? If, not yours is defective because it has to pull the thread into a little loop for you to pull your thread through it after you release the lever quickly, Mine was a Singer and they sent me a new one right away, Brother will do the same for you, I am sure. Another thing you can do is go to your dealer and have them inspect it, I went to JoAnn fabrics and that is how I learned that I was not crazy, it was the machine,
It is probably out of alignment, just turn your needle threader so that the little wire goes through the eye of the needle and will catch thread. Also, sometimes the needle you put in has too small of a hole to thread easily with the automatic needle threader.
If only we could put video links in here! But here goes:
Raise the presser foot; Turn the hand wheel until the take-up lever (the hook bit that goes up and down, above the needle ) has reached its highest position; Remove the small spool holder from the horizontal thread holder that is under the lid. Put thread reel onto spool, replace spool holder; Pull thread behind first thread guide - it is the cream flat plastic bit towards the back - about 1" x 3/4" (i.e. the thread takes the first exit at the back); Bring it down the left-hand long slot on the front of the machine, back up the right-hand slot, over the hook of the take-up lever, back down the right-hand slot and pass it from the side between the thread guide (silver metal bit just above the needle - looks a bit like curled metal). I found this last guide the most difficult to figure out - tried to get the thread into the curled bit - but you don't do that - it just slips in behind; Thread goes through the eye of the needle. You can use the needle threader or not. Instructions for needle threader:
Lower sewing foot (makes more room and clamps the thread in the upper tension discs so it is less likely to keep spooling off while you are trying to thread); Turn handwheel until the needle is in highest position; Pull the needle threader straight down and then twist it to the front so the tiny hook on the threader goes through the eye of the needle; Take thread under the larger metal hook on the left, put your thumb on it to stop it coming off, thread goes back towards the needle and under the small hook that is poking through the needle from the back; Twist the needle threader towards the rear, releasing the thread carefully and allow the threader to move upwards. There should be a loop of thread left in the eye of the needle and you can now pull it all through to the back.
That sounds really complicated but I find the Pfaff needle threader works really well, unlike that of some other machines. I also have a Husqvarna Designer 1 whose needle threader works great, but the one on my friend's Designer SE is useless. Go figure!
You need a torx #6 screw driver to loosen the screws on the back of the threader, (I use magnifying goggles to see the threader) then put the threader in the down postion and look to see and make sure the hook of the threader goes through the eye of the needle. Holding the threader in the down positon with the hook sticking through the eye of the needle, tighten the screws on the backside of the threader, Double check it (slowly) to be sure it didn't move while you tightened the screws.
Hi - first, make sure that you raise the needle to as far up as it will go. When you thread the machine, make sure you pass the thread through each number along the path - there is a hook on the threader mechanism that is really easy to miss. It is always a good idea to refer to the book when you are having a problem.
You might also try changing the needle. The threader has a teeny hook that goes in to the eye of the needle from behind, grabs the thread, and pulls it back thru the eye of the needle.
The threader can go out of alignment. If you got the machine last fall, it should still be under warranty. You can call Brother and ask where you can take the machine for repair. Or, you can go to Brother's website and look for information that might be helpful.
You may need a magnifying glass to see the tiny hook that should pass through the needle eye to catch the thread....
....if it is not aligned properly and does not go through the eye you will need to realign it....
...there may be a small screw attaching the mechanism, loosen slightly with jewelers screwdriver so you can move it but there is still some friction and gently engage the needle threader to see how far you need to move it, then gently, using a fine screwdriver, tweesers etc, nudge the tiny hook a little, check result and continue to adjust until remedied....re-tighten screw.
If there is no screw adjustment, a gentle bending will resolve the problem............but if there is no tiny hook, it will need replacing.
They are not easily broken, but only use gentle pressure to be sure.
Threading as per image....make sure presser foot is up so top thread will properly engage in tension unit, make sure your thread is inserted in small guide on needle arm too. Your user guide should have a clear graphic of this process which is essentially the same for all machines.
As for the needle threader, once thru the last guide on the needle arm, raise needle to highest position, lower the needle threader so that the tiny hook engages the eye of the needle and place thread horizontally from L to R along the plastic arm so the tiny hook can grab thread, release threader and a small loop will form in needle, pull it clear and you are away !
If the tiny hook has been bent, a little judicious and gentle bending to re-align may be necessary, use a jewellers screwdriver or similar and please be very gentle
lever the auto threader slightly back and pull down- if it doesnt pull down adjust the needle up or down slightly. Once it is down behind the needle, place thread under far left of threader then pull across to far right and hook behind tiny hook. Sounds complicated but not so when you get the basic action. Release and guide back up and the thread should be thru the hole and looped up bahind it. Hope you get it.