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

7-5. 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.
When thread is caught at top end
ble at the sewing start will be caused. Lint and thread dust are likely to gather in the circled section. It is nec-
essary to remove the throat plate to periodically clean the section.

7-6. 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
❶
❶
of the thread clamp, thread clamp becomes incomplete and sewing trou-
❶
23 to 25 mm
1) Loosen screw
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.
－ －
52
❶
to adjust so that a clearance of