Adjustment
13 - 15
88-007
13
.04.13
Thread check spring
Requirement
1. The motion of the thread check spring
7
must be completed when the needle point
enters the material (spring stroke approx.
7 mm
).
2. With the thread loop at its largest when it is guided around the hook, the thread check
spring must be raised slightly above the workpiece rack
1
.
Fig. 13 - 12
●
Move workpiece rack
1
(screw
2
) in accordance with
requirement 1
.
●
Turn screw
3
(screw
4
) to adjust the tension of the spring.
●
Move the slack thread regulator
5
(screw
6
) in accordance with
requirement 2
.
Due to technical sewing reasons it may be necessary to deviate from the spring
stroke / spring tension described above.
Adjust the slack thread regulator
5
(screw
6
) in the direction of the "
+
"
(= more thread) or the "
-
" (= less thread).
4
+
5
6
1
2
7
3
7 m
m
-
Содержание 3834-14/11
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