Beisler 100-68 - Manual (Page 124)

6.6.2.2 Testing the bobbin thread monitor
This program serves for aligning the reflected light barriers of the
bobbin thread monitors.
full empty
Test with full bobbin
–
Insert a full bobbin.
– Cover the bobbin thread monitor against extraneous light.
– Pull the bobbin thread.
– A value between “0 – 4” should be indicated in the bar graph.
Test with empty bobbin
–
Insert an empty bobbin.
– Cover the bobbin thread monitor against extraneous light.
– Turn the empty bobbin until the surface is in parallel position to the
bobbin thread monitor.
– A value between 8 – 15” should be indicated in the bar graph.
– Tap the function key ESC to quit the test program.
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