13 - 45
Adjustment
49-106
49-109
49-108
49-107
13.06.12 Manual trimming control
Requirement
Both threads have to be cut perfectly in the catcher cutout on both right and left-hand
side.
● Position the needle bar at b.d.c and activate the engaging lever manually.
● Turn the hand wheel until thread catcher 1 is its front reversal point.
● Double a thread and insert it into the cutout of thread catcher 1.
● Turn the hand wheel further until the trimming process is finished.
● If both threads are not trimmed in accordance with the requirement, loosen screws 2
and align thread catcher 1 with respect to knife 3 .
● Make sure that the tip of the thread catcher is pointing to the centre of the needle and
tighten screws 2 firmly.
● Move catcher stop 4 onto thread catcher 1 and tighten screws 5 firmly.
● Screw on feed dog and needle plate, making sure that the movement of the feed dog in
the needle plate cutout is not restricted.
1
2
5
4
3
1
Fig.13 - 44
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