DURKOPP ADLER M-TYPE 867 - Inserting;Changing Needle (Double-Needle Machines)

6.8 Setting the hook thread tension
Caution: danger of injury !
Tur n off t he main switch.
The hook-thread tension may only be adjusted with the machine
switched off.
Setting the tension spring 2
–
Set the tension spring 2 by turning the adjustment screw 1.
Increase the hook thread tension =
Tur n screw 1 clockwise
Decrease the hook thread tension =
Tur n screw 1 counterclockwise
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Keystone Sewing Machine Company, Inc.