25
Loosen screws 1 and 2 on the left stitch base line and tighten screw 2 to adjust so that the clearance provided between the needle and the
moving knife guide plate (lower) is 0.5 to 1 mm.
* When tightening screw 1, perform the adjustment of (14) Moving knife guide plate (upper).
(15) Moving knife guide plate (lower)
Moving knife
guide plate
(lower)
Needle
0.5 to 1
(16) Height of the looper
How to adjust Adjustment drawing
How to adjust Disassembly
Location of components to be adjusted
Adjustment drawing
Adjusting the height of the looper
(thread retaining at the time of thread trimming)
Loosen the setscrew to adjust so that the clearance provided
between the looper and the top end of the bobbin stopper is 0 to
0.1 mm when the looper is brought to the lowest position of its
stroke.
(Set a bobbin to the inner hook.)
Inner hook
Bobbin stopper
Throat plate
Setscrew
Looper
1
2
0 to 0.1 mm
(Clearance between looper and top end
of bobbin stopper)
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