SunStar SC 7200A Series User Manual page 32

※ Front/rear position of needle guard(R)
0~0.05mm
When the end tip of the looper comes to the center of the right needle, press the needle guard (R) to adjust the
clearance between the needle and the looper at 0~0.05 mm. At this point, be sure to set the distance between the left
needle and the needle guard (R) at 0~0.05 mm. Adjustments can be done by loosening the screws (②, ③).
⑸ Needle and needle guard(front)
When the end point of the looper comes to the center of
the left needle, adjust the end point of the looper to rise
1.5~2 mm higher than the needle. At this point, set the
clearance between the needle and the needle guard (F) at
0~0.3 mm.
And, when the end point of the looper returns to the right needle, set the clearance with the needle guard (F) at 0~0.3 mm.
Adjustments can be done by untightening th screws (②, ③).
0~0.3mm
32
0~0.05mm
[ Figure 51 ]
①
[ Figure 54 ]
③
①
1.5~2.0mm
0~0.3mm
③
②
[ Figure 52 ]
①
[ Figure 53 ]
②
[ Figure 55 ]