19
Adjustment
1
2
4
5
6
3
Fig. 1 - 16
1
.05.15
Thread check spring and thread regulator
Requirement
1. The movement of thread regulator
3
must be completed when the needle point enters
the material.
2. When the thread loop is at its largest while being passed around the hook, the check
thread spring
3
should rise slightly from the rest
1
.
●
Position rest
1
(screw
2
) in accordance with
requirement
1
.
●
Turn sleeve
4
(screw
2
) to adjust the tension of thread check spring
3
.
●
Position thread regulator
5
(screw
6
) in accordance with
requirement
2
.
For technical reasons it may be necessary to deviate from the indicated spring
stroke or spring tension.
Move thread regulator
5
(screw
6
) towards ("
+
") (= more thread) or ("
-
") (= less
thread).