A SERVICE OF

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Adjustment
12 - 21
81-066
81-065
81-067
Fig. 12 - 20
0.5 mm
0.05 - 0.1 mm
● Adjust the hook (screw
1
) in accordance with
requirement 1.
● Fit the bobbin case position stop in accordance with
requirement 2.
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 be
0.05 - 0.1 mm
.
2. The bobbin case positioning-finger must be fitted so that there is a clearance of
0.5
mm
between the bottom section of the bobbin case and the front edge of the bobbin
case positioning-finger (see arrow).
1