Adjustment
90
13
.31
Adjusting the thread puller
Requirement
1. When cylinder
6
is retracted, screw
4
should be at a distance of approx.
1 mm
from
the inside edge of the slot.
2. When thread puller
3
is in its basic position, it should be resting lightly on the thread
and should not touch the edge of the slot when cylinder
6
is extended.
3. The thread should be pulled evenly without any jerks.
4. Thread puller
3
should be set so that a reliable sewing start is guaranteed, but no
start thread is standing out.
Fig. 13 - 29
6
1
2
3
4
5
1 mm
7
●
Adjust clamp
1
(screw
2
) in accordance with
requirement 1.
●
Adjust thread puller
3
(screw
4
) in accordance with
requirement 2.
●
First of all, close throttle
5
completely and then adjust it in accordance with
requirement 3
.
●
Adjust thread puller with screw
4
in accordance with
requirement 4.
If required deviations from this basic setting of thread puller 3 are possible.
If necessary, adjust the switch times for thread clamp
7
(parameter "405")
and thread puller
3
(parameter "406").
Содержание 3307-1 SERIES
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