Adjusting The Thread Regulator - Duerkopp Adler 869 Instruction Manual

6.5 Adjusting the thread regulator

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3 2
Caution: Risk of injury!
Turn off the main switch.
The thread regulator may only be adjusted with the sewing machine
switched off.
The thread regulator 1 controls the quantity of needle thread required
for stitch formation.
The thread regulator must be precisely adjusted for an optimum result.
At the correct setting the needle thread loop must be able slide with
low tension over the thickest point of the hook.
–
Loosen the screw 2.
–
Change the position of the thread regulator 1.
Thread regulator to the left = more thread
Thread regulator to the right = less thread
–
Fasten the screw 2.
Adjustment information:
If the maximum quantity of thread is required, the thread take-up
spring 3 must be pulled upwards about 0.5 mm from its lower end
position. This is the case when the needle-thread loop passes the
maximum hook diameter.
1