Table of Contents
Advertisement
8) Adjusting the work clamp lift detecting switch
When the work clamp
3
of the sewing machine
is raised
1.5 mm
1
2
4
(4) Replacing the components and positioning them
1) Replacing the button carrier and positioning it
Button carrier
2) Replacing the work attachment
Rotary rod
(fine positioning shaft)
Work attachment
Large type
3
2
1
Dolly nut
1
−
1) Adjust metal fitting 2 so that a clearance of 1.5
mm (0.059") is provided between work clamp lift
detecting switch 1 and vertical lever 3.
2) Then, fix switch 1 at the position where the LED
lights up when the work clamp is raised by turning
the manual rotating shaft.
3) Confirm that the LED lights up when the work clamp
is lowered.
(Caution) Be sure to pass switch cord 4 through
section of metal fittings 2.
the
To replace the button carriers, remove first the fixing
knob of the set plate (right).
Loosen screw 1 and remove the button carrier,
Replace the button carrier with another button carrier
with a proper center-to-center distance. Fit the selected
button carrier to the eccentric cam stopper, and
simultaneously make the top face of the carrier come
in contact with the dolly nut. Now, dix the button carrier
at that position.
(Caution) The above-stated positioning procedure
should be carried out with the sewing
machine set to the origin.
Remove the work attachment currently attached to the
sewing machine from the rotary rod. Then attach the
work attachment of another type to the machine. At
this time, be sure to confirm that the work attachment
securely fits in the position.
This should be confirmed in the case of replacing any
other components in the normal operation of the sewing
machine.
66
−
Advertisement
Table of Contents
