Baby Lock Evolve (Previous Model) (BLE8W) Instruction and Reference Guide - Manual (Page 33)

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3-Thread Overlock - Narrow Hemming
Narrow Hemming is an attractive finish for light to medium weight fab-
rics.
Remove the O-1 needle and needle thread completely from the
machine. Clear the stitch fingers. Turn the stitch length adjusting dial
clockwise to the rolled hem range. Set the length at "1" (fig. A) and the
stitch width at 3.0 (fig. B) for a smooth decorative finish.
Move the stitch selector lever to "C".
For the O-2 needle 3-thread narrow hemming, follow the suggested
settings and the threading diagram below.
NEEDLES
O-2
LENGTH
1.0 - 1.5R
WIDTH
3.0
STITCH
SELECTOR
C
WAVE
SELECTOR
O