– 133 –
1) When thread s caught at top end
1
of the
thread clamp, thread clamp becomes ncom-
plete and sewng trouble at the sewng start
wll be caused.
Remove t wth tweezers or the lke.
2) When removng thread waste or thread dust
collected on the thread clamp devce, remove
t after removng the throat plate.
1
1
1 mm or more
16 to 18 mm
1) Loosen screw
1
to adjust so that a clearance
of 1 mm or more s provded between the
wper and the needle.
At ths tme, the standard of the dstance
between the wper and the needle s 16 to 18
mm. By adjustng the dstance wde, the work
clamp foot can prevent steppng on needle
thread when t comes down.
* The poston of the needle s when the sewng
machine has stopped after the sewing fin
-
shed.
1
1-6. needle thread clamp device
1-7. Adjustment of the wiper
cAutIon
:
turn oFF the power before starting the work so as to prevent accidents caused by abrupt
start of the sewing machine.
cAutIon
:
turn oFF the power before starting the work so as to prevent accidents caused by abrupt
start of the sewing machine.