Adjusting The Respective Switches; Connection Block Diagram - ELNA E9020 Service Manual

4 Adjusting the respective switches

1) Adjusting the mode change-over switch
Adjust the position of the
mode change-over switch so
that the clearance provided
between the actuator of the
mode change-over switch
and the main body of the
switch is "0" when the mode
change-over contact is flush
with the reverse of the
bottom cover.
2) Adjustment of the embroidering device removing/installing detection switch
• Adjustment of the embroidering device removing/installing detection switch
Insert a spacer of 1.7 mm to section A, and fully press the connecting slider in the
direction of the sewing machine main body side to turn ON the detection switch.
Securely tighten the setscrews in the detection switch plate at the position.
• Remove the spacer of 1.7 mm, fully move the connecting slider to the sewing machine
main body side, and make sure that the detection switch plate comes in contact with
the lever switch link and the lever switch link lightly moves with the spring pressure.
• Slowly return the connecting slider, and make sure that the reference line (the dotted
line) does not pass point B before the switch is turned OFF.
• Insert the spacer of 1.7 mm to section A again, slowly move change-over lever 1 to
the right-hand
side, and make
sure again that
the switch is
turned ON when
change-over
lever 1 is fully
moved to the
right-hand side.
1
1.7 mm
Mode change-over switch (asm.)
Clearance
should be "0".
Actuator
Reverse of
Flush
Mode change-over contact
bottom cover
A click sounds when the switch is turned OFF.
Reference
A

5 Connection block diagram

Connector
CN75
B
line
Embroidering device
1
2 3
4
2 2 4
2 4
4
6
9
!0
5
7
8
1 Emboidering frame
2 X detecting SW
3 Y detecting SW
4 X direction STM
5 Y direction STM
6 Frame SW 1
7 Frame SW 2
8 Frame SW 3
9 Mode change-over SW
!0 Embroidering release SW
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