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5-5 Needle/looper front-to-back relationship
When the looper passes on the back side of the
needle, the clearance between the needle and the
looper should be 0.05~0.1mm.
Adjustment is made by loosening screw A.
To increase the clearance, turn the looper avoid
eccentric toward the back side of the machine.
To decrease the clearance, turn the looper avoid
eccentric toward the front side of the machine.
【6】ADJUSTING THE NEEDLE GUARDS
6-1 Position of the needle guard (rear)
■ T he position of needle guard (rear) is when the point
of looper located in behind center of needle, the
clearance should be 0~0.1mm is adjusted by screw
A.
6-2 Position of the needle guard (front)
The height of needle guard (front) is when the point
of looper located in behind canter of needle, the
distance should be 1.9mm from top of needle eye till
bottom surface of the needle guard (front) is
adjusted by screw B.
needles and the needle guard (front) should be
0.5mm.
Adjustment is made by loosening screw C.
The clearance between the
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