Adjustment
12 - 36
1
2
1
3
4
Fig. 12 - 33
5
12
.06.04
Manual trimming control
Requirement
Both threads must be cut perfectly in the catcher cutout on both the right and left-hand sides.
●
Position needle bar at TDC and thread catcher
1
at its front reversal point.
●
Double a thread and insert it into the cutout of thread catcher
1
.
●
Carry out the trimming process manually.
●
If both threads are not trimmed in accordance with the
requirement
, loosen screws
2
and adjust thread catcher
1
(screws
2
) with respect to the knife.
●
Tighten screws
2
firmly, making sure that the thread catcher tip is pointing to the middle
of the needle.
●
Move catcher stop
4
onto thread catcher
1
and tighten screws
5
firmly.
●
Mount feed dog and needle plate, making sure that the movement of the feed dog in the
needle plate cutout is not restricted.