Operation and function
Lower knife adjusting knob
(adjusting the lower knife position
for cutting width)
Switch the machine off (power switch”O”)
Turn the lower knife adjusting knob by pressing part (A) in the fig-
ure.
Reduce cutting width (knife moves to the left) if the edges of fabrics
curl up
Increase the cutting width (knife moves to the right) if the loops are
too loose
Overlocking width selection knob
(For overlocking or roll
hemming)
Turn the handwheel until the needles are fully raised
For overlocking
Push the overlocking width selection knob back so that it aligns with
the rear red marking on the throat plate.
For roll hemming
1. Pull the overlocking width selection knob forward so that it
aligns with the front red marking on the throat plate.
2.
Set the lower knife adjusting knob at “1 ~ 2”.
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