1. General notes
The service manual on hand describes the adjustment of the automatic
buttonholer 559 in an appropriate sequence.
ATTENTION !
Various setting positions are interdependent.
Therefore it is absolutely necessary to make the individual
adjustments following the described order.
The operations described in this service manual must only be executed
by qualified staff or correspondingly instructed persons respectively!
Caution: Danger of breakage !
Before recommissioning of the automatic buttonholer after
disassembly operations first carry out the necessary adjustments
according to these service instructions.
Before all setting operations of parts involved in the stitch
formation:
–
Insert a new needle without any damage.
Caution: Danger of injury !
In case of repair, alteration and maintenance w ork:
–
Switchthemainswitchoff.
Exception:
Adjustments carried out with the help of test or adjusting programs.
Adjusting operations and function tests w hen the machine is
running
–
Carry out adjusting operations and function tests of the running
machine only under observation of all safety measures and with
utmost caution.
Adjusting operation in the needle zone
–
In order to avoid injuries remove the corresponding parts before
carrying out adjusting operations.
Exception:
The parts are absolutely necessary for the adjusting operations.
1.1 Necessary program setting
For adjusting the automatic buttonholer the following buttonhole shape
has to be set at the control panel:
–
Buttonhole without bartack
–
Connecting stitch = 0
–
No cutting space
–
Set the connecting stitch to “wide” (see chapter 9 “Setting the seam
width”)
Note!
The set seam w idth has to be checked not only mechanically but
also at the control panel!
3
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