29
R
1~2
3.03.0 7.0
Upper knife
Lower knife
(4) 3-Thread rolled edge
Correct balance
* Set each tension dial to settings shown at right and
test sew on a sample of your fabric.
NEEDLE POSITION
SEAM WIDTH FINGER KNOB
STITCH LENGTH
RedYellow
Medium
weight
Fabric
Tension Dial
Blue
Green
Upper looper thread
Lower looper thread
Needle thread
Topside Underside
22. MACHINE MAINTENANCE
An overlock machine requires more maintenance than
a conventional machine for two reasons:
1) A lot of lint is produced due to the cutting action of
the knives.
2) An overlock runs at a very high speed and needs to
be oiled frequently to lubricate the internal working
parts.
(1) Cleaning the machine
* Clean the lint from the looper and knife area often
with a dry lint brush.
Before cleaning your machine, disconnect
power line plug from the wall receptacle.
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