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(10) Adjusting the height and clearance of the needle guard
1) For 1-needle or 2-needle overlock machine
The overlock machine has two needle guards,
The needle guard
Needle guard
(Traveling needle guard)
2) For safely stitch machine
The safely stitch machine has four needle guards,
positioned in the same manner as those for the overlock machine.
The needle guard
Standard Adjustment
should be located 1 mm below the throat plate bottom surface.
B
A
Light
touch
the
needle
A
guard
should be positioned 5 mm below the throat plate bottom surface.
C
Throat plate
and
.
A
B
Needle guard
Throat plate
,
,
and
A
B
C
D
5 mm
D
B
Lightly touches
C
– 18 –
B
1 mm
B
0.1 mm
. The needle guards
A
and
are
B
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