Members Damas Posted September 30 Members Report Posted September 30 Hello, I bought a second hand HighTex CB243 which I believe is a Juki TNU-243 clone. The machine stiches great, timing seems OK but I keep braking needles again and again... At a point where I am reluctant to use the machine It looks like either feed dog, either needle bar is off and I believe this to be the origin of my braking needle issue... I looked into TNU-243 service manual because machine did not come with any manual and it does not show how to move from left to right the feed dog or the needle bar. Quote Mitsubishi DU-105-22 - Singer 17-30, 45K25, 132K10 - Adler 30-1- Pearson #6 - Hightex CB3200 and CB243
CowboyBob Posted September 30 Report Posted September 30 (edited) Here's how to adjust needle to shuttle clearance 441 needle to shuttle clearance adjustment.pdf 441 Engineers manual.pdf Edited September 30 by CowboyBob Quote Bob Kovar Toledo Industrial Sewing Machine Sales Ltd. 3631 Marine Rd Toledo,Ohio 43609 1-866-362-7397
Members Damas Posted September 30 Author Members Report Posted September 30 (edited) Hello CowboyBob, thank you very much for this documentation. The needle to shuttle clearance seems fine, I believe the needle to hit the feed dog, as I can clearly see impact marks on the feed dog and also if you check on picture you can see that needle is too much on the left when going through feed dog hole Also, mine being a flat bed version, so I believe adjustments will involve parts that might differ Edited September 30 by Damas Quote Mitsubishi DU-105-22 - Singer 17-30, 45K25, 132K10 - Adler 30-1- Pearson #6 - Hightex CB3200 and CB243
AlZilla Posted September 30 Report Posted September 30 2 hours ago, Damas said: Hello CowboyBob, thank you very much for this documentation. The needle to shuttle clearance seems fine, I believe the needle to hit the feed dog, as I can clearly see impact marks on the feed dog and also if you check on picture you can see that needle is too much on the left when going through feed dog hole Also, mine being a flat bed version, so I believe adjustments will involve parts that might differ I can't speak to parts differences, but moving the needle is moving the whole needle. Away from or closer to everything on either side. Quote “Those who can make you believe absurdities can make you commit atrocities.” - Voltaire “Republics decline into democracies and democracies degenerate into despotisms.” - Aristotle
Members Damas Posted September 30 Author Members Report Posted September 30 Yes, that's the point. I need either to move needle bar or feed dog, depending on what is ajustable on this machine to have everything in line I just don't know how to do that. This is why I came here and asked Quote Mitsubishi DU-105-22 - Singer 17-30, 45K25, 132K10 - Adler 30-1- Pearson #6 - Hightex CB3200 and CB243
Members nejcek74 Posted September 30 Members Report Posted September 30 On my machine (Pfaff) you set the needle into the centre of needle hole in the feed dog by moving the needle bar frame. This is the upper assembly that includes needle bar and upper feed mechanism. By my machines is always annoying to get some movements. How is this solved by Juki I rerally don't know. check on which axe the needle bar is hanging, is there and screw that you can loose, and than by rocking the wheel you push the whole assembly slightly to the left. Quote
Contributing Member friquant Posted September 30 Contributing Member Report Posted September 30 Here a link to a manual for a Juki 243: https://www.manualslib.com/manual/1638502/Juki-Tnu-243.html Section 21 (pages 10 and 11) discusses adjusting the feed dog to needle relationship. Quote friquant. Like a frequent, piquant flyer. Check out my blog: Choosing a Motor for your Industrial Sewing Machine
AlZilla Posted September 30 Report Posted September 30 1 hour ago, Damas said: Yes, that's the point. I need either to move needle bar or feed dog, depending on what is ajustable on this machine to have everything in line I just don't know how to do that. This is why I came here and asked There shouldn't be any lateral adjustment on the feed dog because it would then rub/hit the needle plate. The needle should be centered in the foot and needle plate. Quote “Those who can make you believe absurdities can make you commit atrocities.” - Voltaire “Republics decline into democracies and democracies degenerate into despotisms.” - Aristotle
Members Damas Posted October 1 Author Members Report Posted October 1 (edited) @friquant thank you so much ! I had a different version of the manual that did not show this adjustment @AlZilla true, I confirm and cheked. I added a picture with needle plate in position showing that issue clearly comes from feed dog placement Edited October 1 by Damas Quote Mitsubishi DU-105-22 - Singer 17-30, 45K25, 132K10 - Adler 30-1- Pearson #6 - Hightex CB3200 and CB243
Members Damas Posted October 1 Author Members Report Posted October 1 (edited) Actually I just noticed feed dog seems to be bent on that pic... Maybe it is and I should buy a new one before trying any other ajustement ! Edited October 1 by Damas Quote Mitsubishi DU-105-22 - Singer 17-30, 45K25, 132K10 - Adler 30-1- Pearson #6 - Hightex CB3200 and CB243
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