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Brand | JUKI |
---|---|
Model | MB-373 |
Category | Sewing Machine |
Language | English |
Adjusting the needle bar height to its lowest position for proper sewing.
Guidance on looper timing and clearances between needle and looper.
Adjusting crosswise and lengthwise travel timing of the yoke slide for sewing.
Aligning the cloth feed cam with the pivot at the time of stop motion.
Setting the height of the ascending needle bar for tension disc No. 2 timing.
Adjusting the lift and pressure of the button clamp for proper operation.
Adjusting thread tension disc No.1 to float by 1 mm at stop motion.
Setting the clearance between the thread nipper and the nipper block.
Ensuring correct clearance between the roller and the stitch adjusting cam.
Setting clearances for stop motion disc, plunger, and lever.
Adjusting the pressure of the button clamp by a specified distance.
Setting clearance for the button clamp lifting link and forked rod.
Setting clearance for the needle driving pulley pressure applying lever.
Adjusting thread pull-off lever position relative to thread guide pole.
Overview of the automatic thread trimmer mechanism and its components.
Adjusting the clearance between the button clamp lifting lever and adjusting screw.
Setting the distance for the moving knife, connecting link, and throat plate slot.
Setting clearance between thread separating claw and looper.
Procedure for installing the button clamp lifting rod and associated parts.
Overview of the knot-tying mechanism and its components for MB-377.
Adjusting the clearance for the knot-tying arm stopper and stitch adjusting cam.
Setting the position of the knot-tying notch, with needle type consideration.
Setting clearance between needle and thread bind plate for MB-377.
Setting the distance between tension guide and tension lever tip for MB-377.
Setting clearance for speed slowing friction plate and wheel for MB-377.
Troubleshooting common causes of thread breakage during sewing operations.
Addressing issues of thread remaining and insufficient stitch tightness.
Correcting skipped stitches by readjusting needle and looper timing.
Measures to prevent thread slippage from the needle during sewing.
Resolving excessive remaining thread issues (needle and looper thread).
Troubleshooting a low sound and premature stopping of the stop motion.
Diagnosing and fixing issues with the button clamp failing to lift.
Addressing slippage issues with the needle driving pulley clutch.
Resolving overheating of the needle driving pulley and smooth pedal operation.
Corrective measures for when the thread is not trimmed properly.
Addressing issues where both needle and bobbin threads are trimmed.
Correcting the length of the trimmed thread on the fabric's wrong side.
Causes and solutions for needle thread breaks after the machine stops.
Troubleshooting why the machine forms a seam late instead of from the start.
Addressing causes for a poorly tensed last back-tack stitch.
Correcting variations in thread remaining length after trimming.