Operation
Operating Instructions 967 - 02.0 - 11/2016
Fig. 15: Thread tension
①
②
③
(1) - Identical needle thread and hook thread tension
(2) - Hook thread tension higher than needle thread tension
(3) - Needle thread tension higher than hook thread tension
4.7.1
Setting the needle thread tension
The needle thread tension is determined by the 3 adjusting wheels
of the tensioning screws.
In the basic position, the top of the adjusting wheel is flush with
the screw in the center.
Fig. 16: Setting the needle thread tension
①
①
②
(1) - Additional tensioner
(2) - Main tensioner
To set the needle thread tension:
1.
Turn the adjusting wheel to the desired tension.
• To increase the tension: Turn the adjusting wheel clockwise
• To reduce the tension: Turn the adjusting wheel counter-
clockwise
DA150018_V52_XX
(3) - Pre-tensioner
③
35