Manual for singer 195KI industrial plain machine

It is an industrial machine and suitable for leather, so I reckon you can use any thread you want. Seems it is a 191 D300A

https://www.google.com/search?safe=off&rlz=1C1QJDB_enCA643CA644&sxsrf=ALeKk03ofduDBUiaUauroZKdpZ1bFKp1Sw%3A1613518603191&ei=C1csYMKFC6uAtgW-3LS4BQ&q=singer+191+d300aa+thread+classification
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Service and Owner's Manuals

Singer 191D Lockstich ' Instruction Manual and ... - Singer.com

https://www.singer.com > default > files > outdated_product
PDF
Read all instructions, take care of this manual, and use it as reference when necessary. Page 5. 2. High Speed Straight Lockstitch Sewing Machine ' Instruction ...

SINGER 191D SERVICE MANUAL Pdf Download ' ManualsLib

https://www.manualslib.com > ... > 191D -

View and Download Singer 191D service manual online. 191D sewing machine pdf manual download.

Instruction Manuals - Singer

https://singerco.com.au > Support

Singer Instruction manuals for new and old sewing machines and appliances. ... Singer 15-88, 15-89 and 15-90. Singer 66k. Singer 99 ... Singer Industrial 191D. You've visited this page 2 times. Last visit: 06/03/20

When you thread the top thread, the thread will drop down on the right side of the tension mechanism and go around the bottom (clockwise) and up the left side. Grab the thread somewhere above the tension mechanism with your right hand and then pull the toward the right (as though you are going to close the circle around the tension disk. The thread should pull on the metal wire (spring) and your thread should pop into the correct position of the tension disk. When you release the thread, the wire spring should pop back to the left. Then you will continue threading through the remaining thread guides and the take-up lever.

Here's a service manual for your machine (in case you need one):

Singer 20U31 Service Manual

Threading video:
Threading Singer 20U 20 33 industrial sewing machine

Singer 20U Industrial Sewing Machine Tutorial

Singer 20U Industrial Sewing Machine Tutorial

Bobbin winding on the Singer 20 33 or 20U

this video shows threading the tension disk:

How to Thread Singer Industrial Sewing Machine

Go to the Singer site and click Support. There is a section for Industrial machines there, and chances are he can download his instruction manual.

This sounds like an industrial machine. Go to the Singer website and click Support, then Industrial Product Support. They offer Parts Lists, Instruction Manuals and Service Manuals for industrial machines. If you can't get an instruction manual, you can often get a service manual.

- Go to: http://www.matparts.com/manuals.php
- Scroll down to the Newlong DD-5
- Download instructions/"View Manual"
- This is supposed to be the same (made in Japan) machine as the Singer 132K6

nice industrial workhorse, you can dowload manusl from this
link http://wiki.techshoprdu.com/index.php?title=Singer_20u

thre is a parts, service and instruction manual here. Generally the service manuals assume a level of technical knowledge when doing the repairs on machines.

Hope this helps you out, please give 4 thumbs up if so. :-)

hi roslyn.
not sure if you have the manual,but go to this link might help you out with it.
manual singer 20u33 industrial sewing machine Google Search
and again not sure if this link will help you out.
its all i could find on the internet.
singer 20u33 industrial sewing machine bobbin case problem Google Search

The plain ol' Singer-type needles are what you need, they're pretty much the standard through the household sewing machine/serger industry.

Match your needles to the material you're using (thickness of the needle) and the thread you're using (eye size). There's generally a chart on the needle package to clue you in there.

That's a nice machine, good luck with it!

lp

The singer site would be a good place to start. There are also groups on Facebook that you can ask a lot of questions about industrial machines.

Visit parts.singerco.com for industrial manuals.