SunStar KM-750 - Clearance Adjustment between Hook and Opener; Operation of Needle Bar (Left, Right) Stop (KM-790 Series)

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12) Clearance adjustment between hook
and opener
Loosen the opener fastening screw③ and adjust the opener
② to the right and left so that the distance between the hook
① and the opener ② is 0.2mm when the opener ② is pulled
to its max towards the arrowed direction. (See figure 38)
A. When stopping the left needle bar
Place the needle bar trimming direction lever ①
to the L (left) position.
B. When stopping the right needle bar
Place the needle bar trimming direction lever ①
to the R (right) position.
C. When switching to two needle sewing
Vertically press the needle bar return pressing plate②.
The needle bar trimming reverse lever ① will return
automatically.
※ The needle bar trimming reverse lever ① can be used
even during operation. However, don’t use this
function when the needle bar is in the highest position.
It works safely from the point when the needle bar is
about 3 mm below the highest point.
13) Operation of needle bar (left, right) stop (KM-790 series)
(1) Non-trimming type (KM-790, 790BL)
[Figure 38]
stop
stop