Setting The Needle Thread Regulator - DURKOPP ADLER 275 Series Operating Instructions Manual

Operation
Operating Instructions 275 - 02.0 - 08/2019
4. Insert the spool housing together with the bobbin into the hook.
5. Hold tight the free thread end with one hand.
6. Turn the handwheel until the sewing machine carries out one
stitch.
7. Pull the hook thread onto the upper side of the needle hole
using the needle thread.
8. Remove the hook thread in the direction of sewing at an angle
of 45°.
 50% of the tension value should be achieved.
9. Then tighten the adjusting screw (4) up to the total tension
value.
4.8

Setting the needle thread regulator

The needle thread regulator determines the needle thread quantity
to be guided around the hook. The required thread quantity de-
pends 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
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