Frodo Report post Posted December 29, 2019 What is causing the skip stitch my bobbin is ''drop'' tested for correct tension top tension is the same as the bottom, as far as i can tell Quote Share this post Link to post Share on other sites
Constabulary Report post Posted December 29, 2019 (edited) What machine are you using? Most likely needle hook timing is off or needle bar is to high or too low. Edited December 29, 2019 by Constabulary Quote Share this post Link to post Share on other sites
Frodo Report post Posted December 29, 2019 A patcher machine. I can adjust the bobbin gear by one gear tooth and see if that helps Quote Share this post Link to post Share on other sites
Constabulary Report post Posted December 29, 2019 (edited) ouh - sorry for that kind of machine I have no timing values... But when do a google search with "Timing Chinese Patcher site:leatherworker.net/forum" something may pop up. EDIT: This guy has some videos reg. the Chinese patcher - maybe helpful for you: https://www.youtube.com/user/BareHerbalBubbles/videos Edited December 29, 2019 by Constabulary Quote Share this post Link to post Share on other sites
chuck123wapati Report post Posted December 29, 2019 (edited) could be needle thread combo. ice been using my 401 for some light leather sewing and it was skipping due to wrong needles, when I got the leather needles and right thread it works great now. Edited December 29, 2019 by chuck123wapati Quote Share this post Link to post Share on other sites
kgg Report post Posted December 29, 2019 From a post back in 2016 by Darren Brosowski , I think the first part means with the handle at the 9 o'clock position.: "Turn the handwheel until the needle is at its bottom point. - Put the shuttle driver in with the 1/3rd moon bit alongside the needle - two thirds towards the front (your side of the machine) and one third behind the needle." Quote Share this post Link to post Share on other sites
Gymnast Report post Posted December 29, 2019 This can have many reasons, and I just name two which is not said already. If the fabric in some way are lifted when the needle goes up, then you get skipped stitches. The foot needs to hold the fabric down in a firm way. You may also look for the distance between the hook and the needle. I think you want it to be about 0.2 mm, but I suppose a manual or others expierience may give you the right distance. If the distance is too big, you get skipped stitches. If it is too Little, the hook may hit the needle too much, when the needle is a bit bended. Quote Share this post Link to post Share on other sites
veedub3 Report post Posted December 29, 2019 Join the Facebook group dedicated to these machines. Chinese Leather Shoe Patcher Plenty of helpful people that have gotten all the kinks out of the machine and can help others get theirs going. Karina Quote Share this post Link to post Share on other sites
Frodo Report post Posted December 30, 2019 It was the needle depth . My needle was a tad long Quote Share this post Link to post Share on other sites
Bert51 Report post Posted December 30, 2019 If you where to use the needle height off any 29 series, as a guide to the hook position and you should be good. Bert. Quote Share this post Link to post Share on other sites