Operating instructions

9. Maintenance
9.1 Cleaning and checking
Caution: Risk of injury !
Switch the main switch off.
The maintenance of the sewing unit must only be carried out with the
machine switched off.
Maintenance work has to be done after the intervals indicated in the
tables at the latest (see column “Operating hours”).
The processing of fluffy material may require shorter maintenance
intervals.
A clean sewing unit protects from disturbances.
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31
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6 5 4 3