Position Of The Hook Knife - DURKOPP ADLER 530 Operating Instructions Manual

5.2 Position of the hook knife

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Caution: Danger of injury!
Switch off main switch.
Check and adjust position of the hook knife only when the button
sewing automat is switched off.
Standard checking
In resting position the point 2 of the hook knife 3 should stand on the
left side of the stationary knife 1.
When the hook knife 3 is swivelled in, it must stand on the right thus far
that the sewing threads are safely caught by the knife point 2.
–
Check whether the point 2 of the hook knife 3 in resting position
stands at the left edge of the stationary knife 1.
–
Turn handwheel until the thread lever stands a little bit behind its
highest position.
–
Push magnet 4 to the left and push roller bolt into the thread
trimmer cam.
–
Turn handwheel slowly until the hook knife is swivelled out
completely.
–
Check whether the sewing threads are safely caught by the knife.
Correction
–
Loosen screw 5.
–
Adjust hook knife correspondingly.
–
Tighten screw 5.
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