Standard
The top edge of the hook thread scissors 2 must be on the same level
as the top side of the throat plate. A hook thread scissors in a too high
position may damage the fabric.
If the hook thread scissors is positioned too low, the hook threads are
not cut off.
The limiting sheets 3 fastened at the cylinder 5 determine the opening
width of the spring clamping sheets.
If the spring clamping sheets 3 are opened pneumatically, both hook
tips must move by with a safe distance.
Correction
–
Loosen screw 6.
–
Align the openings of the hook thread scissors 2 centrally to the
thread grooves of the throat plate.
–
Tighten screw 6.
–
Loosen screw 8.
–
Adjust the height of the hook thread scissors.
The top side of the hook thread scissors must be on the same level
as the top side of the throat plate.
–
Tighten screw 8.
49
8
7
6