About this downloadable industrial lockstitch sewing machine repair book
This downloadable book is a general overview for Juki models of the basic mechanical adjustments for a simple straight stitch lockstitch industrial sewing machine.
Hook timing, needlebar setting, feed dog settings,tension settings, trouble shooting , miss stitching , thread breaking, thread fraying, needles breaking and much more.
For more complex issues we run e-learning and live courses giving you a greater insight to the mechanical issues that can occur on your machine and how to fix them.
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