Beisler 100-68 - Manual (Page 68)

6. Centre knife
6.1 Position of the centre knife
Caution: Danger of injury!
Switch the main switch off.
Disconnect the sewing unit from the pneumatic system.
Adjust the centre knife only with the sewing unit switched off.
Standard and checking
In the bottom dead centre the front edge of centre knife 2 must stand
approx. 1 mm under the cutting edge of the stationary knife in the
throat plate.
The centre knife 2 should be in parallel position to the counterknife in
the throat plate.
The center knife 2 must abut on the stationary knife in the throat plate
with a slight pressure.
–
Move the centre knife 2 to the bottom dead centre.
– Check whether the edge of knife 2 is max. 1 mm under the
stationary knife.
Correction
Adjusting the height of the knife
–
Move the centre knife to the bottom dead centre.
– Loosen screws 1.
– Adjust the height of centre knife 2.
– Tighten screws 1.
Adjusting the knife holder
–
Move the centre knife to the bottom dead centre.
– Loosen screw 4.
– Turn the knife block 3 in such a way that the centre knife is in
parallel position to the knife in the throat plate.
– Tighten screw 4.
30
4 3 2 1