－
12
－
3-15. Break-in operation
1
）
Display the main motor revolutions check screen.
Press the
key. The main motor revolutions check button
A
appears on the screen. Press this button to display the
main motor revolutions check screen.
A
C
D
E
B
2
）
Run the main motor to break in the machine.
It is possible to set the number of revolutions by means of + and
－
buttons
B
and
C
.
Press the
key to run the machine at the number of revolu-
tions you have set.
At this time, the number of revolutions measured by the machine
is displayed on
D
.
Press reset button
E
to stop the sewing machine.
Set the number of revolutions for the break-in operation at 2000.
3-14. Installing the guide bar
Securely insert the thread guide bar into the hole in the
top cover in the orientation as shown in the figure at the
left.
To use a new machine or the machine after an extended
time of disuse, be sure to run in the machine for approxi-
mately 30 seconds to one minutes.
