Janome ML644D User Manual
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ML 644D
ML 644D Features
Adjustable cutting width Numbered tension dials
Automatic tension release One hand thread cutter
Lint catcher & accessory box Retractable upper knife
Seam type: 2, 3 and 4 thread overlock Snap-on feet
Differential feed ratio 0.5 - 2.2 At-a-glance threading chart
Colour coded thread guides Needle guard, front and back
Easy rolled hem changeover Optional attachments
Length control Seam widths: 3.5mm (narrow)
Lower looper easy threading mechanism 7.5mm (wide), 2.0mm (rolled hem)
Lower looper pre-tension setting slider Dust cover
Maximum speed 1300 S.P.M
Range of Differential Feed Ratio
Stretched edges on knit fabrics are
prevented by setting the differential feed
dial between 1.0 and 2.2.
Puckered edges on fine woven fabrics are
prevented by setting the differential feed
dial between 0.5 and 1.0.
1.0 to 2.2 1.0 to 1.0 1.0 to 0.5
Lay-in Thread Tension Dial
The concealed threading path assures
stable sewing results.
Easy Rolled Hem Change-Over
No need to change the needle plate for rolled hemming.
Just slide the needle plate setting knob to “R” position to
convert the plate for rolled hemming.
Differential Feed
The differential feed device is designed to prevent
fabrics from puckering or stretching. Both stitch length
and differential feed dials can be set at any time, even
while sewing.
2 Thread Overlocking
For rolled hem stitch with thick thread, flat lock stitch,
and when overlocking stretch or lightweight fabrics.
AUSTRALIA
Janome Australia Pty Ltd.
PO Box 1383, Moorabbin 3189 Victoria
www.janome.com.au
NEW ZEALAND
Janome Sewing Machine Co. (NZ) Ltd.
PO Box 51009, Pakuranga, Auckland 2140
www.janome.co.nz
AVAILABLE FROM YOUR EXPERT JANOME RETAILER
JMA11967
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