General - Dürkopp Adler 550-12-23 Bedienungsanleitung

1.

General

ATTENTION !
The tasks described in the service instructions may only be conducted
by skilled personnel or appropriately trained persons !
Caution Risk of Injury !
During repair, conversion and maintenance work turn the main switch
off and disconnect the machine from the pneumatic supply.
Conduct adjustment work and function testing with the machine
running only under strictest observance of all safety measures and
with greatest caution.
These service instructions describe the setting of the sewing machine
in a practical order.
Hereby it is to be noted that different setting positions are
interdependent. Therefore the settings must be conducted keeping to
the described order.
For all setting work on stitch forming parts a new flawless needle must
be inserted.
2
5