13
7) Checking stop position of the sewing
machine
Press the button ① to operate up/down position of the
needle, and check the stop position of the machine. When
the needle stops in up-stop position, check if the end
surface of the needle bar rear bushing and the carved mark
at the lower end of the needle bar come within 0~2mm
range. Inaccurate stop positions can cause malfunctions in
trimming function. Be sure to adjust the photo film
position of the synchronizer. The needle up-stop position
and the needle bar stop position after trimming must be the
same to ensure proper trimming timing.
(Refer to Figure 14)(Refer to synchronizer adjustment
method on page 13)
8) Functions of button ⓐ
Press the button ⓐ during forward sewing to immediately
perform reverse sewing. To begin reverse sewing from the
start, stop the sewing machine and press the pedal while
pressing the button ⓐ, and run the machine by pedaling.
You can change up/down position of the needle bar by
touching the button ⓐ while the machine is in the stop
mode. When the needle bar is in its down-stop position,
touch the button once lightly to change to up-stop position.
When the needle bar is in its up-stop position, press the
button twice within a second to change to down-stop
position. The button ⓐ can perform both reverse sewing
and changing needle up/down.(Refer to Figure 14)
9) Functions of button ⓑ
When you select the back tack function in the program unit and start sewing after pressing the button ⓑ once as shown in
Figure 14, the back tack function will not start but instead, forward sewing will begin. When you want to do back tack during
sewing, stop the machine and press the button ⓑ once and start sewing, then the back tack function, as initially set in the
program unit will begin. When trimming is done after end-back tack work, stop the machine, press the button once and start
trimming. The trimming function will begin without having the end-back tack work performed beforehand. (Button for
arbitrarily inserting/deleting back tack)
[ Figure 14 ]
Button ⓑ
Button ⓐ
Needle bar rear bushing
Carved mark for
needle bar up stop
Up stop
Down stop
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