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(8) Adjusting the thread trimming cam timing
) Loosen thread trimming cam setscrews
1
and
tighten them again after adjusting the position of
thread trimming cam
2
.
2) The position of thread trimming cam is the
position where thread trimming cam roller
3
comes in contact with R section where it starts
entering the cam groove when the position of
handwheel is at L engraved marker line.
Confirmation : Make sure again of the position of
L engraved marker line and R section where
the roller starts entering the cam groove after
fixing the thread trimming cam.
1
2
3
Close
contact
Pointer on handwheel
Scale on handwheel
