Thread Take-Up Spring - DURKOPP ADLER 580 Operating Instructions Manual

21. Thread thread take-up spring
1
58
Caution: Danger of injury!
Turn the main switch off.
Adjust the thread take-up spring only with the machine switched off.
Standard checking
The thread take-up spring 1 must hold the looper thread tensioned until
the needle with the needle thread has accurately penetrated the
triangle formed by the spreader.
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Insert and clamp the material.
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Turn the machine manually and check whether the thread take-up
spring tightens the looper thread firmly and long enough.
Correction of the spring travel
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Loosen screw 4.
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Adjust the stop disc 3.
Disc to the right = longer spring travel
Disc to the left = shorter spring travel
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Tighten screw 4.
Correction of the spring tension
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Loosen screw 5.
–
Adjust the tension bolt 2.
Bolt to the right = higher tension
Bolt to the left = lower tension
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Tighten screw 5.
5 4 3 2