Pitch Balance Of Buttonhole Sewing - JUKI HZL-27Z Service Manual

Service Manual
15．Pitch balance of buttonhole sewing
*There is stitch length adjusting zone on stitch length dial. Adjustment is done on
this dial.
* Forward pitch can be changed by Stitch length dial.
*Reverse pitch is fixed.
If you need to change reverse pitch, follow the steps below.
1. Adjust reverse pitch by turning screw (A)..
To adjust without taking off the front cover, insert the screw driver from hole (B) on
side and turn the screw (A).
Reverse pitch is larger → Turn it clockwise/
Reverse pitch is smaller → Turn it counter clockwise
2. Adjust the reverse pitch as shown below.
Ａ
5mm
Reverse stitch
10 to 15 stitches in 5mm.
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Model
Ｂ
Original issue
May 2009
HZL-27Z