DURKOPP ADLER 577 Series, Manual

Page: 117 / 202

–
Insert new knife (loosen nut 1 ) and push it first up to the top.
NOTE !
It is absolutely necessary to note that the distance between the needle
thread scissors and the knife bottom amounts to
at least. 1 mm .
–
Tighten the nut 1 .
–
Lower the sewing cage by pressing the key Taste 3 .
–
With the adjustment aid still being engaged, it is now possible to
lower the knife block by operating the
key 4 .
(An arrow will appear above the key 4 .)
–
Operate the key 4 once again for lifting the knife block.
The knife block cannot be moved down by the key 4 as long as the
sewing cage is not lowered. Therefore, first lower the sewing cage by
the
key 3 . Also the function of the key 3 (lifting the sewing cage) is
locked as long as the knife is in its lower position.
It will be impossible to start the machine as long as the adjustment aid
is engaged.
Adjusting the knife
When the knife block is lowered, the front edge of the knife should
stand
about 2 mm under the bottom of the throat plate.
Adjustment:
–
Lift the sewing cage.
–
Loosen slightly the nut 1 .
–
Displace the knife.
–
Tighten the nut 1 .
–
Check the cutting depth and repeat the process, if required.
The cut of the knife should be about 2 tissue threads from the last
sewn final bartack.
Adjustment:
–
Loosen the screw 3 and adjust the distance accordingly.
Note:
When the knife block is in its lowered position, the safety distance
between the front edge of the knife and the slit in the throat plate
insert
must amount to 0,5 mm .
–
Tighten the screw 3 .
End the adjustment aid
For ending the adjustment aid press the key "P" on the control panel.
1 2 3 4 A B
1
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