Adjusting The Knife - DURKOPP ADLER 745-34 Speedpocket User Manual

2.6.3

Adjusting the knife

4 3 2 1
Caution: Danger of injury !
Switch the main switch off.
Separate the sewing unit from the pneumatic net.
Adjust the center knife only with the sewing unit switched off.
Standard checking
In the bottom dead centre the front edge 2 of center knife 3 must jut out
approx. 1 mm above the cutting edge of the stationary knife in the
throat plate.
The center knife 3 must abut on the stationary knife in the throat plate
with a slight pressure.
–
Move the center knife 3 to the bottom dead centre with the
eccentric at the driving motor.
–
Check whether the edge 2 of the knife stands above the stationary
knife not more than 1 mm.
Correction
Placing the knife holder in parallel position
–
Move the center knife to the bottom dead centre with the eccentric
at the driving motor.
–
Loosen screw 8.
–
Turn the knife drive shaft 7 in such a way that the center knife is in
parallel position to the knife in the throat plate.
–
Tighten screw 8.
Adjusting the knife height
–
Move the center knife to the bottom dead centre with the eccentric
at the driving motor.
–
Loosen screws 1.
–
Adjust the height of center knife 3.
–
Tighten screws 1.
8 7
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