Replacing Procedure Of The Motor (Stm); Embroidering Device - ELNA E9020 Service Manual

2. Embroidering device

1 Replacing procedure of the motor (STM)

1 Remove the side cover. (See page 17 F. Two screws)
2 Remove the top cover. (See page 17 F. Five screws)
(Trigger limiting plate and trigger pin will come off. So,
be careful.)
3 Remove the frame holder cover.
4 Remove the main frame. (Remove 4 pcs. each of the
main frame setscrew in Fig.-1 and Fig.-2.
Loosen the motor bracket setscrew B which is
connected to the earth and remove the earth wire.)
5 Bend the cord presser and remove the lead wire.
(Remove the respetive fixing tapes.)
6 Remove the motor bracket (asm.) from the main frame
(asm.).
7 Remove the motor (asm.). (Two screws)
8 Replace the motor with a new one. (Backlash in the
gear : 0 to 0.02 mm)
9 When the belt is removed (Y-STM), confirm that the
belt is adjusted properly referring to
belt" described on the next page.
!0 The X-Y drive components should not come in contact
with the main frame when detecting origin. If they come
in contact with the main frame, it is necessary to adjust
the position of the origin.
Y drive plate
Frame holder (asm.)
Main frame
setscrew C
Embroidering
device X-STM
(asm.)
Y detecting
switch (asm.)
Fig.-1
Adjusting the
2
Fig.-2
Embroidering device Y-STM (asm.)
Y drive felt A
Y pulley (asm.)
Main frame setscrew
Cord presser
X drive plate (asm.)
X pulley (asm.)
Main frame setscrew B
F r a m e d e t e c t i n g
switch circuit board
(asm.)
40