JUKI MO-644D Overlock Serger Machine

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Machine Manual

With the MO-600 series of home sergers, a beginner or experienced sewer can create simple sportswear or elegant evening wear with unbelievable ease. Expand your range of design and technique with the easy to operate, durable and dependable MO-644D. The MO-644D, 2-needle, 2/3/4 thread overlock machine featuring built-in rolled hemming and differential feed, and more at an affordable price.This versatile MO644D can handle the latest threads and materials, giving you many creative options for your projects. With its differential feed system and a presser foot that can be adjusted, the fact that the stitch quality of this machine is far above average is something to consider.

This affordable overlocker comes with color-coded threading to help thread the serger, a one-rotation tension adjustment, an upper and lower knife for better cutting, an automatic rolled hem setting, a presser foot with multiple functions to add tape, ribbon, elastic, and even sequins, an included seam guide for easy hemming, and bright LED lights to make it easier to see your project. 

Main Features
Color-Coded Threading Guides
Threading the MO-644D is a breeze. With color-coded and clearly marked thread paths.

Easy Tension Adjustment
1-Rotation Thread Tension Dials with normal tensions highlighted for simple, consistent tension adjustment. Specially designed guides keep thread in place and ensure proper sewing tension at any speed.

Multi-Function Presser Foot
The multipurpose presser foot, standard on the MO-644D, allows you to create overlock stitches and add tape, elastic, ribbon, or sequins to your creations. Snap-on presser feet mean that you can easily change from the multi-purpose foot to one of the Juki Specialty feet and expand the creative potential of the MO-644D.

Heavy Duty Knife System 
The knife system on the MO-644D operates with a dedicated drive to assure consistent and easy cutting for both light and heavy weight fabrics.

Surging Precision
The built-in seam guide takes the guesswork out of seam allowances. Just use the conveniently located gauge on the guard cover and serge away, creating accurate seam allowances as you go.

Bright Lights - Better View:
Lighting on the MO-644D provides optimum lighting to the fabric and needle areas.

Easy Cutting Width Adjustment
The lower knife cutting width easily and quickly adjusts with the turn of the dial allowing you to create perfect seams and rolled edges.

Differential Feed AdjustmentKeep things moving along evenly, or create fashion techniques, like lettuce edges, with the easy to use differential feed dial located on the exterior right hand side.

Easy Stitch Length Adjustments
Change the stitch length for specialty thread or overlock techniques using the conveniently located dial.

Flip and Roll
Automatic rolled hemming can be created quickly and easily with a flip of a switch. No need to change the needle plate or foot - Just Flip and Roll

Basic Features

• Sewing Speed: Max. 1500 spm
• Needles: Household #11-14
• Max. Stitch Length: 4mm
• Presser Foot Lift

Accessories

• Standard Presser Foot (Part no. A15016340B0)
• Screwdriver
• Spool caps
• Oiler
• Thread nets
• Vinyl cover
• Needle pack
• Tweezer
• Brush and Needle inserter
• Looper threader
• Accessory pouch
• Light bulb
• Instruction manual
• Foot control
• Power cord

Dimensions

• Dimensions: 10.6”(W) x 13.5”(H) x 11.5”(D)
• Machine Weight: 15lbs