My electric sewing machine can't hang the bottom line. who will repair it? The first step is to change the needle.The second step is to move the needle down for a 2mm try,If it's OK,Just remove the panel,Move the needle stick down to 2mm.If not, step 3,See if the shuttle is very convinced,Is very convinced,Then see if the tip of the swing shuttle below is rubbing the top of the needle eye,If the shuttle is sharp and close to the needle,It should be above the needle to hook the line,Try it again.Very simple,First of all, be sure to install the needle!Slowly turn the pulley when the needle is about to reach the lowest point, at this time the shuttle's Threading Needle happens to reach the groove above the needle eye of the machine needle!The shuttle needle is next to the machine needle, but don't touch the machine needle.If the above conditions are not met, make corresponding adjustments.Note that,If the shuttle's pick needle is seriously worn and deformed, it will jump.You first see if the tip of the shuttle i

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How is the shaking of the desktop pneumatic cutting machine? Cutting machine for Saw Blade: 1. remove saw blade,The cutting saw itself is marked with the direction in which the saw blade rotates,The thread of the pressing nut of the fixed saw blade is contrary to the rotation of the saw blade,When the saw blade rotates, the Bolt has a tendency to tighten with rotation,When removing and replacing saw blades, fix the saw blade with a wrench,Then follow the direction indicated by the arrow itself,Turn the nut above to cut the machine, pneumatic, saw blade cutting machine for Saw Blade: 1. remove the saw blade,The cutting saw itself is marked with the direction in which the saw blade rotates,The thread of the pressing nut of the fixed saw blade is contrary to the rotation of the saw blade,When the saw blade rotates, the Bolt has a tendency to tighten with rotation,When removing and replacing saw blades, fix the saw blade with a wrench,Then follow the direction indicated by the arrow itself,