753 manuals needle size

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* Nothing on you tube. Other sites only offer to sell them but not fix.
Aloha, ukeboy57

Manual:
http://www.sewingpartsonline.com/instruction-manual-simplicity-sl4300.aspx

Free Manual For Simplicity Easylock Serger Model Sl4300

Parts:

http://www.sewingpartsonline.com/simplicity-sl4300-serger-machine-parts.aspx

This site shows Organ and Schmetz needles but most quality needle brands would be suitable for your machine. A standard 130/705H needle will work. Just be careful as I believe my machine recommends no needles larger than a size 90.
SL4300 Overlock Serger

..

The owner's manual should explain what needle system to use--most US domestic sewing machines take 130/705, but that isn't true for all of them. If your manual doesn't have the information, contact your local Brother dealer.

The size of needle is determined by what you are sewing, ie silk fabric would probably use a Universal needle size 70/10 or smaller. A heavier knit would probably take a Jersey (ballpoint) needle size 80/12 or 90/14. Denim fabric would probably use a Jeans needle size 90/14.

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0ahUKEwjHy9-ag6zPAhUTzWMKHU_YDs0QFggoMAE&url=http%3A%2F%2Fwww.schmetzneedles.com%2Flearning%2Fpdf%2Fschmetz-needle-chart.pdf&usg=AFQjCNHTR52AmqwzvyCjbXmD5Ch52Va5_Q

All About Needles

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Here is a manual for your machine:

Viking Husqvarna Instruction Manuals

The reverse is #25 on the diagram:
Viking 5610 5710 Instruction Manual

Here is information about sewing machine needles:

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0ahUKEwjr4bWb6cTNAhVL1mMKHTZpB1wQFggkMAE&url=http%3A%2F%2Fwww.schmetzneedles.com%2Flearning%2Fpdf%2Fschmetz-needle-chart.pdf&usg=AFQjCNHTR52AmqwzvyCjbXmD5Ch52Va5_Q


All About Needles

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Here you have Needles

Shop for Machine Needles Pins Needles products Jo Ann

Needles of all sizes:

Needles for sewing machines Buscar con Google

Choose your needles:

How to Choose Sewing Needles Looking at Types Sizes Lifespan

More on needles

Machine Needles

here is a free downloadable manual from singer,here's the link
http://www.singerco.com/uploads/download/672_8734-8834.pdf

in the manual in the accessories it tells about the needles,
on page 7, I believe,, general sewing singer size 2020,,
& knits, stretch, elastic size 2045
plastic bobbins

Use Organ HA x 1SP needles size 90 (14) for general sewing or 75 (11) for light weight fabrics. These are common needles and Amazon carries them. There are other sources. When you choose the needle size, look at your thread relative to the groove in the needle. (The thread should fit in that groove.) I use the Singer Sewing Book for good pictures of the needle to thread size.

Singer has the manuals for the Superlock 2000 ATS on their site. Part 1 of the manual is here: http://www.singerco.com/uploads/download/984_sl-2000-ats-wb-a-x.pdf . All manuals are here: http://www.singerco.com/accessories/instruction-manuals . Enter the model number without the letters after the number.

I hope this helps.

Cindy Wells

It sounds to me like you have replaced the broken needle with one that is too long (wrong size).Check your manual for the proper needle size and look through your collection, or head down to the local sewing shop and pick up a new pack of proper sized needles. Now if the needle you replaced the broken one with is the same size, you most likely didn't loosen the set screw up enough and therefore didn't slide the needle up far enough before locking it in. Double check this.

Good Luck!
Chris

It should tell you in the owners manual.
http://www.riccar.com/ftp/whitepapers/2600-Owners-Manual.pdf
Most needles are suitable for all machines. The size of the needle depends on the thickness of the material you are trying to sew. Usually the finer the material, the smaller the needle.

About the needle problem, Brother's FAQ gives the following response: 

Make sure the needle is correctly inserted with the flat side facing the back and pushed up into the machine as far as possible.

The needle could have been damaged or bent. If so replace with a new one.

Make sure the fabric is not pulled excessively when sewing. Let the feed dogs move the fabric. Do not pull the fabric.

The combination of needle size, thread size and fabric is incorrect. 
Be sure to use the correct needle and thread size for the fabric you are sewing.(example: Denim-size 16 needle and 40-50 heavy duty thread).

As for the manual, here's the link:
http://welcome.solutions.brother.com/BSC/public/files/dlf/doch000063/ps21xl55565700ug02en.pdf