Hooked Knife - Duerkopp Adler 281 Service Instructions Manual

7.2 Hooked knife

1
2
Caution: Risk of injury!
Turn off the main switch.
Check and set the hooked knife only with the sewing machine
switched off.
Standard checking
The hooked knife 2 must lie against both screws 1 in the direction of
the arrow.
Hereby the cut through the tip of the hooked knife is ensured.
At the same time, the tip of the hooked knife has the correct position in
the axial direction.
A virtual line lengthening the hooked knife point will then be in the
center between the needle center and the hook tip.
Correction
–
Unwind the clamping pressure of the fixed knife against the hooked
knife through loosening the set screws 5.
–
Manually swivel in the hooked knife 2.
–
Loosen the fastening screws 1 of the hooked knife.
–
Shift the hooked knife 2 against the fastening screws 1 in the
direction of the arrow.
–
Tighten the fastening screws 1 again.
–
Check the eccentrically rising of the hooked knife.
–
Set the counter knife (see chapter 7.3).
4
5
3
27
GB