Duerkopp Adler 550-16-26 Руководство по эксплуатации - Страница 10

Просмотреть онлайн или скачать pdf Руководство по эксплуатации для Швейная машина Duerkopp Adler 550-16-26. Duerkopp Adler 550-16-26 19 страниц. Sewing lamp led
Также для Duerkopp Adler 550-16-26: Инструкции по монтажу (2 страниц), Руководство по эксплуатации (12 страниц)

Duerkopp Adler 550-16-26 Руководство по эксплуатации

4.7 Setting the Hook Thread Tension

8
5
Caution Risk of Injury!
Turn the main switch off .
Set the hook thread tension only with the machine turned off.
Half of the necessary hook thread tension should be created by the
brake spring 8 and halb by the tension spring 5.
Setting the tension spring
The bobbin case top 3 should slowly lower under is own weight
(see right illustration).
Set the tension spring 5 at the adjusting screw 10 until the
necessary tension value is reached.
Note:
The hook thread tension should amount to 20 +/- 5 grams.
10
3
1
13