– 164 –
(8) Setting the upper stop position of the needle bar
1. Simultaneously pressing
switch
❹
and
switch
❺
, turn ON the
power switch.
2.
is displayed (
Ⓐ
) in the indi-
cator and the mode is changed over
to the adjustment mode.
3. Give the pulley of the machine head
a turn by hand. Then, the main shaft
reference signal is detected. The de-
gree of an angle given by the main
shaft reference signal is indicated
on display section
Ⓑ
with a blip.
(The value is the reference value.)
4. In this state, give the pulley of the
machine head another turn by hand
to align marker line
❶
on the hand
pulley with recess
❷
in the machine
frame as shown in the figure.
(Caution) The direction of rotation is
clockwise. If the pulley is
turned counterclockwise,
the degree of the aforemen-
tioned angle can differ by
approximately two degrees.
5. Press switch
❻
.
(The value is the reference value.)
Take a note of the numeric value
shown on display section
Ⓑ
since it
is used for "(9) Setting the raveling
prevention parameter".
Ⓐ
❸
❻
❺
❹
❶
❷
Ⓑ
❸
❻
❺
❹
Ⓑ
❸
❻
❺
❹
