DURKOPP ADLER DAC classic 281, Operating Manual

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Operation
Operating manual 281 Version 06.0 - 05/2013 32
5.8 Setting the thread regulator
The thread regulator determines the needle thread quantity to be
guided around the hook. The required thread quantity depends
on the thickness of the material to be sewn, thread strength, and
stitch length.
Larger thread quantity for
• thick material
• high thread strengths
• large stitch lengths
Lower thread quantity for
• thin material
• low thread strengths
• small stitch lengths
Correct setting:
The loop of the needle thread (2) slides at low tension over the
thickest point of the hook (1).
Figure 16: Setting the thread regulator: Correct needle thread quantity
Risk of injury from moving parts.
Switch off the sewing machine before setting the
thread regulator.
WARNING
(1) - Hook (2) - Needle thread loop
①
②