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General| Type | Overlock |
|---|---|
| Differential Feed Ratio | 0.7 - 2.0 |
| Sewing Speed | 1, 500 stitches per minute |
| Needle Distance | 5.6 mm |
| Thread Tension | Manual |
| Stitch Types | Overlock, Rolled Hem |
| Maximum Stitch Width | 7mm |
| Stitch Length | 1-4mm |
Essential warnings for electrical hazards and general operation.
Guidelines for servicing machines with double insulation.
Explains the meaning of warning symbols and pictographs.
Precautions regarding environment, cleaning, and operation.
Identifies machine parts with looper and cloth plates opened.
Enumerates all accessories provided with the sewing machine.
Steps for assembling the thread stand and positioning the thread guide.
Connecting the foot controller and operating the power switch.
How to use the handwheel and manage covers.
Using the presser foot lifter and changing the presser foot.
Procedures for raising the upper knife and adjusting the lower knife.
How to adjust stitch length and differential feed.
Selecting overlocking width and adjusting presser foot pressure.
Step-by-step instructions for changing the needles.
Essential preparation and the correct thread path sequence.
How to thread tension dials and use the needle threader.
Detailed steps for threading the upper looper and using guide nets.
Detailed steps for threading the lower looper on MO-654DEN.
Detailed steps for threading the lower looper on MO-644DN.
Detailed steps for threading the right-hand needle.
Detailed steps for threading the left-hand needle.
Instructions for setting up 4mm and 6mm wide 3-thread overlocking.
Guide to using the 2/3 thread converter attachment.
Steps for conducting a trial sewing after threading.
How to adjust thread tension for perfect seams.
Table of recommended thread tension values for various threads.
Solutions for common stitch formation problems via tension adjustment.
How to use the roll hemmer and prepare the machine.
Recommended thread tensions for roll hemming.
How to use the tape guide for sewing stretchy fabrics.
Guide to adjusting differential feed for fabric handling.
Instructions for gathering lightweight fabric.
How to unpick overlock seams.
Troubleshooting steps for thread breakage during sewing.
Techniques for securing the start and end of seams.
How to replace knives and handle lubricating oil safely.
How to clean and lubricate the sewing machine.
A guide to common machine problems and their solutions.
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