Needle Thread Clamp Device; Adjustment Of The Wiper - JUKI LK-1900A Instruction Manual

5. Needle thread clamp device

WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.

6. Adjustment of the wiper

WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
1.5 mm or more
23 to 25 mm
34
1) When thread is caught at top end
clamp, thread clamp becomes incomplete and
sewing trouble at the sewing start will be caused.
Remove it with tweezers or the like.
2) When removing thread waste or thread dust
collected on the thread clamp device, remove it
after removing the throat plate.
1) Loosen screw to adjust so that a clearance of
1.5 mm or more is provided between the wiper and
the needle.
At this time, the standard of the distance between
the wiper and the needle is 23 to 25 mm. By
adjusting the distance wide, the work clamp foot
can prevent stepping on needle thread when it
comes down.
Especially when the thin needle is used, adjust the
distance wide to such an extent of 23 mm.
* The position of the needle is when the sewing
mechine has stopped after the sewing finished.
of the thread