General Notes - Duerkopp Adler 910 Service Instructions Manual

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General notes

These service instructions describe the adjustments that can be made
to the sewing unit 910.
ATTENTION!
The operations described in these service instructions may only be
carried out by qualified staff or other appropriately trained persons!
Caution: danger of injury!
Always switch off main switch before any repair, alteration or
maintenance.
Carry out adjusting operations and functional tests of the running
machine only under observation of all safety measures and with
utmost caution.
These service instructions describe the adjustment of the sewing unit
in a logical order. Please observe that various setting positions are
dependent on each other. The adjustment process must therefore be
carried out in the order given.
For all adjustments of parts involved in the stitch formation, a new
undamaged needle must be inserted.
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