Duerkopp Adler 558 Operating Instructions Manual page 67

2. Timing of the closing and opening of the clamps
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Tilt the machine head up.
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Loosen screw 2.
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Push the clamp closing lever 1 in the appropriate arrow direction up to the stop.
–
Tighten screw 2 again.
3. With or without cutting room between the seam rows
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Loosen screws 5.
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Slide the lever 4 in the appropriate arrow direction up or down up to the stop.
Attention !
The amount that the lever has to be moved is very small.
–
Tighten screws 5 again.
4. Cutting knife and cutting block
–
Slide the cutting knife 4 in the appropriate arrow direction up to the stop.
The configuration of the cutting at the top or below occurs hereby as per the
instructions in Chapter 2.12.
–
Insert the cutting block 3 corresponding to the cutting knife used and slide to the
back up to the stop (see Chapter 2.12).
When using the wrong cutting block two different cutting knife impressions are
made.
This leads to a bad cut of the buttonhole slit.
5. Exchanging the upper disc cam (see Chapter 2.19)
–
Bring the machine in its end position bringen (see Chapter 2.3).
In end position the roller bolt is held in its position by the underlying cam plate.
The upper disc cam can be removed unhindered.
–
Remove and exchange the upper disc cam.
ATTENTION !
Only mount the cutting block corresponding the cutting
knife used !
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