Beisler 1265-4 - Manual (Page 58)

Service Instructions Automatic Single-Head Serging Machine 1265-4 Beisler GmbH
C-22
C.5
Maintenance
C.5.15 Adjusting the thread monitors
Fig. 13: The two thread monitors
7 thread monitor 1
8 thread monitor 2
monitor the two threads of the sewing head. You can use the PCB to
adjust the response delay and the response sensitivity of the thread
monitors. The adjustments are made separately with the corresponding
potentiometers. To extend the response delay or to increase the re-
sponse sensitivity, the corresponding potentiometer 9 is rotated clock-
wise (in the direction of +).
1 Response sensitivity of thread monitor 2
2 Response delay of thread monitor 2
3 LED thread monitor 2
4 Response delay of thread monitor 1
5 LED thread monitor 1
6 Response sensitivity of thread monitor 1
Fig. 13