Adjustment

12.05.19 Needle rise, hook-to-needle clearance and bobbin case positioning-finger

Requirement

1.With the needle position set at "middle", the zigzag stitch setting at "0" and the needle bar position 2.0 past bdc (hole 1) the hook point must be in the middle of the needle and the distance between the needle and the hook point must be0.05-0.1mm.

2.The bobbin case positioning-finger must be fitted so that there is a clearance of0.5 mm between the bottom section of the bobbin case and the front edge of the bobbin case positioning-finger (see arrow).

0.5 mm

81-065

0.05 - 0.1 mm

81-066

1

81-067

Fig. 12 - 20

●Adjust the hook (screw1) in accordance withrequirement1.

●Fit the bobbin case position stop in accordance withrequirement2.

12 - 21