7.4
Adjusting the thread regulator
Caution – Risk of Injury !
Turn the main switch off.
Adjust thread regulator only when the automatic bartacker is switched
off.
The thread regulator 3 is used to control the quantity of needle thread
required by the stitch formation.
The best sewing results can only be ensured when using a precisely
adjusted thread regulator.
At the properly adjusted setting, the needle thread loop must be able to
slide over the thickest section of the hook.
–
Loosen screw 1.
–
Change the position of the thread regulator 3.
Thread regulator to the left = more thread.
Thread regulator to the right = less thread.
–
Tighten screw 1.
Settings note:
If the largest thread quantity is required, the thread controller spring 2
must be pulled down by approx. 0.5 mm from its upper end position.
This occurs when the needle thread loop passes the section of the
hook with the widest diameter.
10
3
2
1
Summary of Contents for 511
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