Operation Manual

Operation
Operating Instructions 911-210 - 01.0 - 11/2015 27
4.10 Adjusting the hook thread tension
Fig. 15: Adjusting the hook thread tension
The hook thread tension is generated by the tension spring (1) and adjust-
ed via the adjustment screw (2).
To increase the tension:
1. Turn the adjusting screw (2) clockwise.
To reduce the tension:
1. Turn the adjusting screw (2) counterclockwise.
Risk of injury by the needle point or moving parts.
Switch off the machine before adjusting the hook thread
tension.
WARNING
(1) - Tension spring (2) - Adjusting screw
①②