DURKOPP ADLER 171 - Setting the Looper Thread Tension; Setting the Thread Quantity; Setting the Needle Thread Regulator

Operation
32 Operating Instructions 171/173 - 02.0 - 09/2019
4.7.2 Setting the looper thread tension
Fig. 14: Setting the looper thread tension
To set the looper thread tension:
1. Turn the adjusting wheel (1).
• increasing the looper thread tension: turn the adjusting
wheel (1) clockwise
• decreasing the looper thread tension: turn the adjus-
ting wheel (1) counterclockwise
4.8 Setting the thread quantity
4.8.1 Setting the needle thread regulator
The needle thread quantity released for stitch formation is deter-
mined by the position of the thread regulator.
The required thread quantity depends on the thickness of the
sewing material, thread strength and seam type.
For different threads and seam types, the threading procedure
also differs ( p. 22).
(1) - Adjusting wheel
①