7. Adjusting the bobbin thread catcher
7.1 Thread catcher
Caution: Risk of injury!
Switch the main switch off.
Adjust the bobbin thread catcher only with the sewing unit switched off.
Standard and checking
The thread catchers are correctly adjusted if the thread catcher point 2
in idle state has a distance of 27.2 mm to the edge 1 and a distance of
0.1 mm to the nose of bobbin case 4.
–
Swivel the thread catcher out.
–
Check whether the point 2 has a distance of 27.2 mm to the edge
1.
–
Check whether there is a distance of 0.1 mm between the thread
catcher and the nose of the bobbin case 4.
Correction
–
Loosen the screws 3.
–
Adjust the thread catcher 2 correspondingly.
–
Tighten the screws 3.
Counterknife
–
Regrind or exchange the blunt counterknives 5 and 6.
32
32 1
2
0,1 mm
27,2 mm
1
4
5
6
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