Cobra Steve Posted April 15, 2014 Report Posted April 15, 2014 Are there any other functions on your control panel, like thread trimmer, or automatic foot lift? Steve Quote Thank You Steve Tayrien Leather Machine Co., Inc. 2141 E. Philadelphia St. Unit "U" Ontario, California 91761 1-866-962-9880 http://www.leathermachineco.com cobra@leathermachineco.com
Members Constabulary Posted April 16, 2014 Author Members Report Posted April 16, 2014 No, this is a very basic motor with just on / off switch and a switch for rotation direction. No control panel at all. Well, this motor has to go anyway. I just wanted to be sure that other servo motors like the Enduros do not have this issue. Quote ~ Keep "OLD CAST IRON" alive - it´s worth it ~ Machines in use: - Singer 111G156 - Singer 307G2 - Singer 29K71 - Singer 212G141 - Singer 45D91 - Singer 132K6 - Singer 108W20 - Singer 51WSV2 - Singer 143W2
Members Constabulary Posted April 17, 2014 Author Members Report Posted April 17, 2014 Wow. I'm thinking you have a bad synchronizer. If your synchronizer has the slots in the wheels for adjusting the needles down position, make the opening a little wider so the sensor knows it's time to stop. Regards, Eric I opened the sensor and figured it uses magnet for the positioning signal. Thought I don't keep the motor, I will try to set the disc with the magnets closer to the sensors. If I ruin the sensor I have one spare so its worth the try. Some pics. Quote ~ Keep "OLD CAST IRON" alive - it´s worth it ~ Machines in use: - Singer 111G156 - Singer 307G2 - Singer 29K71 - Singer 212G141 - Singer 45D91 - Singer 132K6 - Singer 108W20 - Singer 51WSV2 - Singer 143W2
Members gottaknow Posted April 18, 2014 Members Report Posted April 18, 2014 Ah. The magnetic sensors. Vibration kills magnetism over time. Take a small rare earth magnet and place on each magnet for a period of time. Say 30 minutes. I have re-energized magnets in synchronizers this way in the past. Give it a try. Regards, Eric Quote
Members Constabulary Posted April 18, 2014 Author Members Report Posted April 18, 2014 Holy Cow - thats a good idea. I will try some neodym magnets. I think I have some floatings around here. Bringing the disc closer to the sensor did not work. Quote ~ Keep "OLD CAST IRON" alive - it´s worth it ~ Machines in use: - Singer 111G156 - Singer 307G2 - Singer 29K71 - Singer 212G141 - Singer 45D91 - Singer 132K6 - Singer 108W20 - Singer 51WSV2 - Singer 143W2
Members Tom Spivak Posted April 18, 2014 Members Report Posted April 18, 2014 I just purchased a sew-quite 5000 nps and was having similar problem, extra stitch, and refused to stop at the top. Reliable took it back, I had it returned no charge 3 days and works perfect on any weight material. Maybe you just have a bad unit? Quote
Members Constabulary Posted April 19, 2014 Author Members Report Posted April 19, 2014 Eric, "reconditioning" the magnets did not work. I even tried to leave the neodym magnets in the sensor - no change at all. Quote ~ Keep "OLD CAST IRON" alive - it´s worth it ~ Machines in use: - Singer 111G156 - Singer 307G2 - Singer 29K71 - Singer 212G141 - Singer 45D91 - Singer 132K6 - Singer 108W20 - Singer 51WSV2 - Singer 143W2
Members Tom Spivak Posted April 19, 2014 Members Report Posted April 19, 2014 Once again, if you are within the warranty period I would contact the place you purchased the motor from and have them check it out. Even if you are not in warranty, why not call them and get their advice? Good Luck. Quote
Members gottaknow Posted April 20, 2014 Members Report Posted April 20, 2014 If you've tried 2 different synchronizers, it's got to be the stop function on the motor or the control box. I do know on the Varistop units, a poor electrical connection or plug socket issue will do this. On my Juki 5410's, oil migrates from the sump pans, down the foot lift rod, right on top of the control boxes. I've started using silicone to seal the cover plates for the electrical connections. Oh, and you get what you pay for with these units. Just saying. Regards, Eric Quote
Trox Posted April 21, 2014 Report Posted April 21, 2014 Hi Constablery, I would demand my money back for such dangerous motor. Its a very easy to stitch true your fingers. Its clearly a construction fault, it's not doing what it's supposed to do. Good luck Tor Quote Tor Workshop machines: TSC 441 clone/Efka DC1550, Dürkopp-Adler 267-373/Efka DC1600, Pfaff 345-H3/Cobra 600W, Singer 29K-72, Sandt 8 Ton clicking machine, Alpha SM skiving unit, Fortuna 620 band knife splitting machine. Old Irons: Adler 5-27, Adler 30-15, Singer 236W-100
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