Janome MyLock 634D Overlock Serger Machine

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Machine Manual

When you want to make the most of your serging time, with professional results, the MyLock 634D is unmatched. It has 2 needles and 2, 3 or 4 thread overlock stitching. Threading is a breeze due to color-coded thread guides and an easy lower looper threading system. The MyLock 634D also lets you quickly switch to rolled hemming without changing the needle plate.

Basic Features

• 2, 3, or 4 thread serger
• Lay-in thread tension dial
• Threading chart 
• Color coded thread guides
• Tension release device
• Easily accessible lower looper guides
• Changeable thread guide
• Quick change rolled hem
• Lower looper pretension setting slider
• Easily retractable upper knife
• Adjustable foot pressure
• Snap on presser feet
• Adjustable stitch length 1mm to 5mm
• Differential feed ratio 0.5 to 2.25
• Adjustable cutting width 3.1mm to 7.3mm
• Maximum speed 1,300 spm
• Waste chip box