Moderator Wizcrafts Posted May 18, 2019 Moderator Report Posted May 18, 2019 #69 (T70) thread requires a #16 or #18 needle and nothing more. If you use a needle meant for #207 thread the hole it pokes will be 4 or 5 times to big to give and resistance to the thread. This may be why the loop is dissolving before the hook can pick it off. You can try to offset the problem by creating more slack in the top thread on the downstroke. The check spring travel, center position and spring tension affect the slack. Normally, you stop the downward travel as the needle penetrates the material. Set the bottom stopped bracket so the spring stops as the needle enters the top layer. Play with the positioner slot until you get the most extra thread on the downstroke. This may allow the loop to form. Do install a #18 needle, Quote Posted IMHO, by Wiz My current crop of sewing machines: Cowboy CB4500, Singer 107w3, Singer 139w109, Singer 168G101, Singer 29k71, Singer 31-15, Singer 111w103, Singer 211G156, Adler 30-7 on power stand, Techsew 2700, Fortuna power skiver and a Pfaff 4 thread 2 needle serger.
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