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4. Standard adjustment value
(1) Adjusting the needle height
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
Standard adjustment
When the needle(s) is in the highest position, the needle height from the throat plate surface should be as
shown below.
A
04 14 16
A
B
C
A
(Unit : mm)
Model A B C
1-needle overlock machine MO-6804S
10.4-10.6
2-needle overlock machine
MO-6814S-2
H
(9.1)
MO-6814S-3
H
MO-6814S-4
H 11.8-12 (10.5)
MO-6814S-30P
10.4-10.6
(9.1)
Safety stitch machine
MO-6816S-3
H (7.6)
MO-6816S-50H 11.8-12 (9)
MO-6816S-60H 12.6-12.8 (9.8)
MO-6816S-30P 10.4-10.6 (7.6)
(2) Positioning the throat plate
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
Standard adjustment
The needle entry point should be such that the distanc-
es listed below are provided between the needle slot
edge of the throat plate and the center of needle.
(Unit : mm)
Standard 60H
A : Overlock side 1.2 1.8
B : Double chainstitch side 1.8 1.8
A
B
10°
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