Elna International Corps. SA
Xquist
service manual
1.
Height of the threading hook is improper.
Check the adjustment of the needle threader
(see page 29)
2.
Thread tensed in front of needle is not in the center
of needle eyelet at the lower position of the transfer
body.
Check the vertical adjustment of the lower
position (see page 30).
3.
Longitudinal position of the transfer body in terms
of needle is not proper at the lower position of the
transfer body
Check the longitudinal adjustment of the
lower position (see page 30).
4.
Thread retaining section is open at
the lower position of the transfer
body.
Check the adjustment of the retaining
pressure change-over link (see page 30).
Thread fails to pass
the needle eyelet.
5.
The base tension is open when threading
Check the adjustment of the base tension
(see page 8).
1.
The base tension is open when threading
Check the adjustment of the base tension
(see page 8).
2.
The position of needle clamp threading arm is too
high.
Check the height of needle clamp threading
arm (see page 30)
3.
The transfer body is attached to the left side.
Check the lateral adjustment of the transfer
body (see page 30).
Thread is not caught
by the needle clamp
thread guide.
Needle thread fails to
enter the fork end.
4.
Longitudinal position of the transfer
body is improper. Front and rear.
Check the longitudinal adjustment of the
lower position (see page 30).
1.
The transfer body is attached to the left side.
Check the lateral adjustment of the transfer
body (see page 30).
2.
The position of needle clamp threading arm is too
high.
Check the adjustment of the height of needle
clamp threading (see page 30).
The needle clamp
thread guide fails to
catch thread.
Thread deflects to the
inside of the thread
guide and cannot be
caught.
3.
The thread path control plate is attached to the left
side.
Adjust the thread path control plate (see
page 30).
1.
The transfer body is attached to the right side.
Check the lateral adjustment of the transfer
body (see page 30).
2.
The position of needle clamp threading arm is too
low.
Check the adjustment of the height of needle
clamp threading arm (see page 30).
The needle clamp
thread guide fails to
catch thread.
Thread deflects to the
outside of the thread
guide and cannot be
caught.
3.
The thread path control plate is attached to the right
side.
Adjust the thread path control plate (see
page 30).
1.
Malfunction of the threading body
Installing position of the face plate is
improper
The face plate inside cover is moved to the
right.
(The face plate installing plate is slanting
attached.)
Defective change-over of STM
2.
Malfunction of the base tension
Check the motion of the base tension
3.
Malfunction of the mis-threading preventing plate
Check the motion of the mis-threading
preventing plate.
Defective threading
to the thread take-up
spring and thread
take-up lever.
4.
Rising amount of the auxiliary roller cover
