– 39 –
❶
4-11. Adjusting the position of the thread trimmer
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
❷
❷
❸
❸
The moving knife is in
parallel with the moving
knife base
Blade point of moving knife
is aligned with the needle
Blade point of
moving knife
(1) Adjusting the position of the thread trim-
ming cam
1) Turn pulley
❶
to engage needle bearing
❸
of
the thread trimmer connecting rod with groove
❷
in the thread trimming cam.
The shipping standard of the electrical shaft an-
gle setting parameter QEP value is 170. Finely
adjust this parameter value in accordance with
the difference in materials.
(2) Adjusting the position of the moving knife
and counter knife
1) Attach the moving knife to the moving knife
base. Push the moving knife to the right to make
the tail of the moving knife in parallel with the
moving knife base. At this time, the blade point
of moving knife is aligned with the needle. Tight-
en moving knife clamping screw
❶
.
❶
❶
Содержание PS-900-13090
Страница 1: ...PS 900 13090 INSTRUCTION MANUAL...