Cutting Pressure / Position Of The Stationary Knife - Duerkopp Adler 530 Service Instructions Manual

5.3 Cutting pressure / Position of the stationary knife

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Caution: Danger of injury!
Switch off main switch.
Check and adjust stationary knife only when the button
sewing automat is switched off.
Standard checking
The thread trimmer lever 2 should have a distance of 18.5 mm to the
front edge of the throat plate 3.
There must be a distance of 0.5 mm between the needle hole 4 and
counter-knife 5.
The knife 1 should be aligned in such a way that both threads are
safely cut in the middle of the cutting area and with the lowest possible
pressure.
A low cutting pressure ensures a low wear and tear of knives.
–
Measure the distance between the thread trimmer lever 2 and the
front of the throat plate 3.
–
Measure the distance between the needle hole 4 and the
counter-knife 5.
–
Turn handwheel until the hook knife can be swivelled in manually.
–
Swivel out hook knife.
–
Lay two threads to be cut in the hook knife.
–
Turn the handwheel until the hook knife has swivelled back.
–
Check whether the sewing threads are neatly cut.
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