Operating instructions

Operating instructions
Operating manual H867 Version 00.0 - Last updated: 01/2012 21
7.7.2 Adjusting the looper thread tension
Figure 15: Adjusting the looper thread tension
The looper thread tension is adjusted using the adjusting screw (1).
To increase the tension:
• Turn the adjusting screw (1) clockwise.
To reduce the tension:
• Turn the adjusting screw (1) counterclockwise.
7.8 Setting the thread regulator
The thread regulator determines the tension applied to guide the needle
thread around the looper.
Correct setting:
The loop of the needle thread slides at low tension over the thickest point
of the looper.
Figure 16: Setting the thread regulator
• Loosen the regulator screw (1).
To increase the tension:
• Turn the thread regulator clockwise
To reduce the tension:
• Turn the thread regulator counterclockwise
• Tighten the regulator screw (1).
Risk of injury by the needle point and moving
parts.
Switch off the sewing machine before adjusting the
looper thread tension.
WARNING
q
(1) - Adjusting screw
Risk of injury by the needle point and moving
parts.
Switch off the sewing machine before setting the
thread regulator.
WARNING
+
1234
+
–
w
q
(1) - Regulator screw
(2) - Thread regulator