Adjustment
13 - 6
13.04.05 Needle rise, hook clearance, needle height and bobbin case position finger
Requirement
When the bottom marking on needle bar 3 is level with the bottom edge of bushing 5
1. The point of hook 1 should be centred to the needle and at a distance of 0.04 – 0.10 mm
from the groove of the needle, and
2. The top edge of the needle eye should be 0.8 mm below the hook point.
● Adjust the hook 1 (screws 2) in accordance with requirement 1.
● Without twisting needle bar 3 (screw 4), adjust it according to requirement 2.
-013
0,8 mm
3
5
4
76-031
0,04 - 0,10 mm
1
2
Fig. 13 - 05
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