Adjustment
85
4
.05.09
Bobbin case opener
Requirement
1. When turning the handwheel, the horn
4
should be lifted off the stitch platen
5
on the
right turning point of the bobbin lift
1
by the thread thickness.
2. Bobbin lift upper edge, and lower bobbin upper edge should be at same level.
3. Bobbin lift
1
should be in the right turning point at handwheel position "
300°
".
4. Screw
7
to the return spring of the bobbin lift should be positioned approx.
10
mm
above
the lock nut
8
.
●
Bobbin lift
1
( screw
2
) must be turned and moved according to
requirements 1
and
2
.
●
Excenter ( screw under cover
3
) must be turned in accordance with
requirement 3
.
●
Adjust screw
7
(nut
8
) in accordance with
requirement 4
.
The thread must be able to pass unhindered between bobbin case opener
1
and bobbin case
6
Fig. 4 - 09
4
5
1
6
2
3
10 mm
8
7
Summary of Contents for POWERLINE 3741
Page 1: ...296 12 19 008 002 Betriebsanleitung engl 06 12 DOKU SEAM SYSTEM 3741 3745 ...
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Page 129: ...Kalibrieranleitung engl 06 12 CALIBRATION INSTRUCTIONS 3741 3745 ...
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