6. Thread breakage detector plate
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
2
44
1) Adjust so that thread breakage detector plate 1 is
always in contact with thread take-up spring 2 in
the absence of needle thread. (Slack : approx. 0.5
mm)
2) Whenever the stroke of thread take-up spring 2
has been changed, be sure to readjust thread
1
breakage detector plate 1 . To make this
adjustment, loosen screw 3.
3
Adjust so that thread breakage
detector plate 1 does not touch any
adjacent metallic parts other than
thread take-up spring 2.